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Lada 2121(NIVA) 4×4 with 2jz gte 4WD ENGINE PART 1

To improve the performance of your car, you can install a Niva engine from a foreign car without modifications. The VAZ-2121 has long been considered one of the best domestic cars both in terms of engine power and driving performance. But now this car model has become outdated, and many motorists are trying to somehow improve it. What engine should be installed as an analogue to the 1.7 liter petrol injection engine?

The final stage of preparatory work

If the car being modified was equipped with a carburetor system, you should install a remote electric fuel pump, a gas pedal drive with a cable, and a fuel filter. A Volga injection element with an injector is quite suitable. You will also need to install a special adapter for the clutch block.

If the car is equipped with a fuel injection system, then installing and connecting the control electronics will not pose any special problems. When installing a VAZ-2112 or Priora engine on a Niva, you will have to spend a lot of time on preparation. However, the subsequent effect and the new “heart” of the iron horse are worth all the effort.

Toyota 3S-FE engine with a complete set of parts for installation in a Chevrolet Niva.

What will this give us? What can a motorist win by placing an imported engine in a Niva? And here new imported internal combustion engines will come to the rescue, and a great variety of replacement options can be found.

Although, the selected power unit must meet certain criteria. For example, a Toyota engine in a Niva can fit freely in the engine compartment, so that there is no need to cut off interfering equipment. Moreover, an imported engine, in terms of technical characteristics and, in particular, power, should not differ much from the standard factory Niva internal combustion engine.

It is also worth replacing the drive elements with similar parts from the Chevrolet Niva. There are options from the Japanese concern Toyota - 3C and 3CT. You won't have to change the transmission, but you'll have to tinker with the fastenings. Another acceptable option with modifications is 2JZ.

It will be necessary to install an automatic transmission and update almost all parts of the exhaust system and engine compartment, since the model is too powerful for the standard Niva design. To install, you will have to use a few tricks and buy a few additional parts, but the final effect will please many car enthusiasts.

Conclusion on the topic This is the only analogue that does not require serious intervention in the design of the car. All other options require replacing the fasteners in the engine compartment, improving the gearbox, or strengthening the overall structure of the Toyota Niva engine.

For sports competitions, on the contrary, it is worth improving the power of the standard engine. You will need to install a sports manifold, turbine, camshaft, valve pistons, sports cooling kit, exhaust system and injectors.

All this will allow you to accelerate the engine to hp. Irkutsk companies specializing in serious preparation of jeeps, VAZ frameless all-wheel drive never even consider such a thing. Looking at this specimen, you won’t notice any fundamental deviations from the standard at all. But even this approach did not eliminate all the typical shortcomings of the car - low Toyota engine and traction, high fuel consumption, noise, vibration, roll, shaking.

Peculiarities

If the manufacturer does not provide the opportunity to buy a Lada 4×4 with a diesel engine, then craftsmen will appear who will install it with their own hands. So, which diesel engine is suitable for the VAZ 2121? Here are the most popular models:

1. Peugeot XUD-9SD (1.9 l, about 70 hp) together with Fiat Polonez gearbox.
2. Peugeot XUD 11 with Fiat Polonez gearbox.
3. Toyota 3C (79 hp) or 3ST (100 hp) together with Toyota Noah gearbox.
4. Motor from Volkswagen Vento.
5. And many others.

To install a diesel engine, a large number of modifications will be required. The simplest and most common way of such tuning is to use the engine that was installed for export versions of the SUV (XUD-9SD). Its installation requires the least amount of changes to the machine design. It has a good location of the oil intake (in the front, not in the center or rear), the oil filter (on the front left, like the Lada 4x4) and attachment points to the body. In addition, it is easy to find spare parts for this engine model. The approximate procedure is as follows:

1. Engine mounts are suitable for VAZ 21215.
2. The gearbox bell and the box itself fit well from Fiat Polonez.
3. Rework the pan, oil intake, flywheel, exhaust system, etc.
4. The easiest way is to complete all the modifications according to the documents.

In other words, no diesel engine can be installed instead of a gasoline engine without modifications. What do you think, is it necessary to change the Lada 4×4 internal combustion engine to a diesel one? If yes, which one and why? Let us remind you that you can improve off-road performance in an easier way, for example, by installing mud tires.

Keywords: 4x4 engine | 4x4 gearbox

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The VAZ 21213 four-cylinder eight-valve petrol engine has a displacement of 1.7 liters. The power of the power unit is 81 horsepower with a torque of 125 Nm.

The use of numerous automatic engine control systems made it possible not only to change the traction performance of this engine, but also significantly improved fuel efficiency. Niva in suburban mode consumes 8.3 liters of gasoline per 100 kilometers when driving at cruising speed.

Starting from 2014, Niva cars with a diesel engine are also offered to customers.

Japanese engine on the field

The main reason for this was the low engine power.

A Niva with this engine could not overcome off-road conditions efficiently and confidently. Later, designers tried to install 1.9-liter diesel engines on the Niva. However, these models were experimental and never made it into serial production.

The solution to this situation was to install a foreign production model. This diesel engine was quite common and was installed on many cars. Self-installation of a Peugeot engine In addition, on the roads of our vast country you can find Nivas with a diesel engine installed by yourself.

There are, thank God, plenty of options on which diesel engine to install on the Niva. As a result, it turns out that from the standard Niva, by replacing the power unit, they create a version of the Toyota engine for the Niva. This diesel engine is easiest to install in a car, since the mounting points for the Toyota Engine for the Niva model are absolutely the same as for the standard gasoline one.

In addition to the power unit itself, you will also need to replace the standard gearbox. This is primarily due to the fact that the standard Niva gearbox is not able to withstand the loads that will be placed on it after installing the diesel unit.

Guys who have a Niva with a 3S-FE engine, come here.

The clutch housing is also installed together with the gearbox. Owners who convert the Niva to the XUD-9SD diesel engine simultaneously replace the Toyota engine with the Niva's power plant mounting supports. The pallet also undergoes minor modifications. The exhaust system should also be modified.

To ensure greater reliability of all front-wheel drive parts, some elements are replaced with similar ones from Niva-Chevrolet. In this case, the rubber pipes must also be replaced. It would not be superfluous to install a diesel heating system in winter. Many owners install a Japanese diesel engine on their Niva. As in the case of the XUD-9SD power unit, the vehicle has a number of technical modifications and a Toyota Niva engine to ensure proper functioning of the engine.

At the same time, when using Japanese power units, transmission elements are not always replaced. In this case, the gearbox is left as standard, but the technicians do not give a guarantee on service life. But those times have long since become history; now the situation has changed dramatically.

Weaknesses of the VAZ 21213 power unit

• Water pump;
• Engine, manual transmission and transfer case oil seals;
• Generator;
• Starter;
• manual transmission;
• Valve cover gasket;
• Cooling system pipe connections;
• Radiator;
• Thermostat;
• Expansion tank;
• Vacuum brake booster.

The water pump (pump) is characterized by frequent failures on new cars after 2,000 km.

Due to poor quality, oil seals require more frequent replacement than required according to the operating manual.

The generator has a high probability of failure. As a rule, it burns out even on new cars that have not reached 4,000-10,000 km.

On a gearbox, one of the common defects is the fifth gear slipping out. In addition, the gears are not fully engaged.

The valve cover gasket loses its properties over time and allows oil to leak out.

The connections of the cooling system pipes in the places where the clamps are installed are not reliable and lose their tightness very early, which is fraught with loss of antifreeze.

The radiator is leaking. The problem occurs due to the appearance of cracks in the radiator pipe package, accompanied by loss of coolant. This defect has become widespread.

The thermostat does not provide thermal conditions for the coolant in the engine cooling system. The manifestation of this problem is no exception. The cause of the defect is a failure of the valve mechanism inside the thermostat. To check that the thermostat is working properly, after starting the engine, simply place your palm on the lower (outlet) hose, through which hot antifreeze circulates into the radiator for cooling. If the thermostat is working properly, after some time the hose should become hot; if the hose remains cold, the thermostat must be replaced.

Vacuum brake booster (VUT). Manifested by a stiff brake pedal. The speed may fluctuate when the brake pedal is pressed, as well as hissing. The problem is solved by replacing failed rubber products and replacing clamps in connections.

Cylinder block. This weak point appears on various models of Nivov engines, including the previously discussed 21213. Due to insufficient quality control, the assembly unit is manufactured with a high percentage of factory defects. In short, the drilling depth of the intake manifold stud holes is not maintained, causing the holes to meet the camshaft stud holes.

In this way, L-shaped through channels are obtained. After installing the studs at the factory, the connections remain sealed for some time and the problem is not identified when the quality control department employees accept engine tests. After the sale of new cars with low mileage, during sharp braking, oil begins to seep through the studs onto the hot intake manifold, so much so that smoke from the oil burning in the manifold pours out from under the hood, and accordingly, there is nothing to breathe in the cabin.

A sketch for the technical specifications for eliminating oil leaks from under the exhaust manifold studs.

1. Remove the GC cover;
2. Unscrew the two studs securing the bearing housing (see sketch) and remove oil from the threaded holes;
3. Thoroughly degrease the holes and stud;
4. Apply sealant UG-10 or its analogues to the lower threads of the studs;
5. Place the studs in place;
6. Tighten the bearing housing nuts;
7. Install the cylinder head cover;
8. Wait at least 30 minutes for the sealant to set.

Weaknesses of the VAZ 21214 engine

Cylinder block. This weak point appears on various models of Nivov engines, including the previously discussed 21213. Due to insufficient quality control, the assembly unit is manufactured with a high percentage of factory defects. In short, the drilling depth of the intake manifold stud holes is not maintained, causing the holes to meet the camshaft stud holes.

In this way, L-shaped through channels are obtained. After installing the studs at the factory, the connections remain sealed for some time and the problem is not identified when the quality control department employees accept engine tests. After the sale of new cars with low mileage, during sharp braking, oil begins to seep through the studs onto the hot intake manifold, so much so that smoke from the oil burning in the manifold pours out from under the hood, and accordingly, there is nothing to breathe in the cabin.

A sketch for the technical specifications for eliminating oil leaks from under the exhaust manifold studs.

1. Remove the GC cover;
2. Unscrew the two studs securing the bearing housing (see sketch) and remove oil from the threaded holes;
3. Thoroughly degrease the holes and stud;
4. Apply sealant UG-10 or its analogues to the lower threads of the studs;
5. Place the studs in place;
6. Tighten the bearing housing nuts;
7. Install the cylinder head cover;
8. Wait at least 30 minutes for the sealant to set.

Also interesting: Whistling when the engine is running @ Niva 4×4

What parts are needed for assembly?

The engine was disassembled, washed, new parts were ordered and are ready to be put back together. When assembling the engine block, the following parts were installed:

• Crankshaft oil seals sizes 70x90x10 and 40x56x7
• Main repair inserts 0.25 article 2101-1000102-11
• Connecting rod bearings standard article 2101-1000104-01
• Goetze rings article number 08-269906-00
• Gasket set for engine 21213 is also suitable for engine 2101-07
• Luzar pump article number 2101-1307011
• Tensioner and idler rollers for the generator belt from Ina, article number 531 0760 10
• The clutch kit was also replaced. Installed by Sachs, article number 3000 951 003

Malfunctions

Installation of turbocharging on a Chevrolet Niva

Turbine for Chevrolet Niva

The second method of tuning the Niva Chevrolet power plant is to install a turbocharger. Moreover, this method allows you to significantly increase power and also increases torque.

Turbocharging provides significantly better filling of the engine cylinders with air due to forced injection.

With this tuning option, you should carefully select a turbine, otherwise the positive effect of its use may be significantly lower than expected.

Tuning in this way allows you to achieve an increase in engine power by 30%. At the same time, turbocharging only has a positive effect on fuel consumption, since it is reduced. And the increase in power is achieved due to better fuel combustion and ventilation of the engine cylinders.

Installing a diesel engine on a Niva

One of the available options is the independent installation of a diesel engine on the Niva. To do this, you can use the services of large tuning studios or private professionals who modify cars. You can also install a diesel engine on a Niva yourself if you have some experience and specialized tools. You need to be prepared for the fact that in order to legally operate the car after replacing the engine, you will definitely need to register the changes made with the relevant government agencies.

In the process of selecting a diesel unit, many people wonder which diesel engine to put on the Niva. There are a sufficient number of diesel engines that can be installed on this car. Diesel engines of Japanese and European brands are most often installed on Niva with their own hands. The main requirement is the suitable physical dimensions of the power unit for placement in the engine compartment of the Niva.

The need to make changes to the design begins with the mounting features of the diesel engine. The second nuance is the increase in load on the front axle after installing a diesel internal combustion engine on the Niva, since an engine of this type is often heavier. For this reason, it is necessary to further strengthen both the suspension and the body after placing the engine. Almost always, the standard gearbox will also need to be replaced.

The list of general changes to the design of the Niva for a diesel engine includes: replacement of front engine mounts, modified sump, changes to the exhaust system. The engine cooling system is also subject to modernization. The cooling radiator is often changed (a radiator from a GAZ Gazelle car is suitable).

Changes are also being made to the chassis, individual elements are replaced with reinforced ones. For a regular Niva, they can be borrowed from Niva-Chevrolet. As for the operation of diesel engines, it is separately recommended to install a diesel fuel heating system.

You can also install a Peugeot diesel engine with the xud 11 index on the Niva, but in this case the gearbox will need to be changed. The VAZ gearbox with this engine will not last long. The solution is a gearbox from the Fiat Polonez model. Additionally, you will need to install another clutch. No less often, diesel engines from Japanese cars are installed on the Niva. Units with the Toyota 3c/ct index with a power of 80 and 100 hp are suitable. To replace the gearbox, you can use a 5-speed gearbox from the Noah model manufactured by Toyota.

The best option would be a diesel engine and gearbox, which were originally designed to work in tandem. In this case, the task is simplified due to the correspondence of all attachment points, as well as the coincidence of the axes of the internal combustion engine and transmission shafts. This approach eliminates difficulties in the process of combining a diesel engine and gearbox, and also significantly increases the service life of the associated components. There is no need to calculate what torque a particular gearbox with different diesel engines can withstand.

Advantages of installing a diesel power unit instead of gasoline or LPG. Choosing a suitable diesel engine for GAZelle and UAZ (UAZ) to replace a gasoline engine.

Comparison of gasoline and diesel engines. Advantages and disadvantages of diesel, reliability of diesel engine, features of its maintenance and operation.

Why does a diesel engine have a higher efficiency compared to gasoline engines? Torque and speed, diesel fuel energy.

Why oil leaks from the engine breather: signs and main causes of such a malfunction. How to understand why oil is flowing through the breather, troubleshooting.

Causes of noises and knocks when operating a gasoline engine in different modes. Detonation, knocking of hydraulic compensators, ignition faults and other reasons.

Diesel engine power increase module. Types of chip boxes, features of connection and operation of these blocks. Advantages and disadvantages of a tuning box.

Modified options

Since it is not always possible to supply an engine of a certain foreign car, it is worth considering imported production options that require a little modification:

The first candidate will again be the French engine from Peugeot XUD 11 series. Since the power of this unit is higher than that of the previous model, some changes will need to be made to the design of the Niva - replacing the gearbox. An acceptable option is a gearbox from Fiat Polonez. In addition, a good solution would be to replace the front supports of the power plant fasteners, pan and exhaust system. It is also worth replacing the drive elements with similar parts from the Chevrolet Niva.

Expert

I admit, it’s hard to fight a conditioned reflex that has been developed over the years. A truck hobbles along the local two-lane highway at a speed of about sixty. I'm trailing behind him in a Chevrolet Niva. Fourth gear is engaged. And here is the long-awaited gap in the markings. It's time to overtake. The hand itself reaches for the lever to move the box to the third. The Niva, let's face it, is a little slow to accelerate. In such a case, quickly advancing without going one step lower will not work.

But now I have to act differently. I stop my hand halfway and with the prayer “Volodya, don’t let me down,” I press the gas. The car accelerates briskly and easily overtakes in fourth. How convenient and yet unusual!

A little about the characteristics and prospects

Of course, the engine must have more serious characteristics compared to its predecessor, because without this the entire replacement will be pointless.

As was said, many engines from other cars can be installed on the VAZ-2121, but the most preferable are

: XUD9TE, D8A. 1.9 l, 90 hp, fits perfectly into the Niva, has 190 Nm at 2200 rpm, spins up to 4400 rpm, weighs a little more than 120 kilograms, will need heating of diesel fuel for the winter.

The second contender is an import diesel turbocharged FIAT-CMD with a volume of 1.93 liters. and 90 hp, the cost of a new engine ranges from 280,000 to 297,000 rubles, but this is not profitable and it is better to buy a used one.

Another option can be used with BMW 1.6-1.8 liters; diesel is even much better.

Possible from a Mercedes 1.8 liter

. Many people have a 2.3-liter Fiat Ducato engine on the VAZ 2121, but this option is not the most budget-friendly and not the most powerful; the previous options are better suited for the Niva.

Engine 7A Toyota in Chevrolet Niva

Niva

Chevrolet 110hp from a-motors Our VK group may still install a turbo in the future.

As was said, many engines from other cars can be installed on the VAZ-2121, but the most preferable are

: XUD9TE, D8A. 1.9 l, 90 hp, fits perfectly into the Niva, has 190 Nm at 2200 rpm, spins up to 4400 rpm, weighs a little more than 120 kilograms, will need heating of diesel fuel for the winter.

The second contender is an import diesel turbocharged FIAT-CMD with a volume of 1.93 liters. and 90 hp, the cost of a new engine ranges from 280,000 to 297,000 rubles, but this is not profitable and it is better to buy a used one.

Another option can be used with BMW 1.6-1.8 liters; diesel is even much better.

Possible from a Mercedes 1.8 liter

. Many people have a 2.3-liter Fiat Ducato engine on the VAZ 2121, but this option is not the most budget-friendly and not the most powerful; the previous options are better suited for the Niva.

To finally tune the Niva

, you can install a turbine, turbocharged fields, an incredible picture. However, the installed turbine can have a bad effect on the transfer case and it simply won’t hold up.

Installing a turbine on a Niva costs 35,000-50,000 rubles. You should also remember that the standard Niva engine copes with the turbine, but its power is not enough; you can try to play it, but most often without success.

Basically, the work of the turbine is that, due to the exhaust gases, more friction is acquired, it brings a sensitive gain in horsepower and torque

Regarding driver safety

sitting in a VAZ 2121 car with replaced engines, we can say that there is a threat to him. In general, the Niva is a reliable car created according to Soviet GOST. However, by replacing the engine with a more powerful one, as stated, more than 120 hp, the car may simply fall apart on the road.

In general, the VAZ-2121 is not a bad car, capable of conquering various roads and obstacles. As time shows, the modern automotive industry has not changed much. Replacing the engine with a Niva from a foreign car, and it will not be inferior even to modern SUVs! After all, it’s funny to see when an old, Soviet, shabby car overtakes a modern foreign car.

Engine selection

This is the most important stage of the entire replacement procedure. The choice should be made taking into account your own goals and the technical capabilities of the car. Almost any VAZ engine is suitable for this car model. You can install the following power plant from the following cars:

Car owners often choose the VAZ-2112. You can transfer the engine and all the filling from a VAZ-21045 or VAZ-21055. As a result, you will get a VAZ-2106 diesel. The main advantage of installing such VAZ units is that they will fit exactly. In addition, in this case you will not have to spend a lot of money and time to go through the re-registration procedure.

A good option is to install a motor from Priora. Installation of such a 16-valve unit will provide your car with 100 hp. With. It should be borne in mind that this procedure for replacing the motor is not easy. You'll have to use a grinder to cut the engine shield and weld the pan. You will need to reinstall the crankshaft bearing to a figure-eight bearing. You will also need to modify the flywheel, exhaust and cooling system, and accelerator drive. If you are willing to spend a lot of time, effort and money, then this method of increasing engine power is suitable.

If for some reason you are not considering installation options from VAZ, pay attention to the Fiat 124. This engine is one of the few that is ideal for the VAZ-2106. At the same time, the work required to install it and the effort and time spent will be minimal. The engines are also quite powerful: Lancia Thema (834), Alfa Romeo (06476) and Fiat Croma (154). You can consider options for such engines, since they are well compatible with a VAZ car, have a fairly long service life and good technical characteristics.

If you want to turn your car into a BMW, install one of these engines: 326, 536 or 746. Such power plants are distinguished by high power. Therefore, in any case, when choosing them, you will have to strengthen the suspension, braking system, etc. Otherwise, driving the car will become dangerous for you and for your passengers.

If you are planning to install a Japanese drift engine, be prepared for the fact that your expenses will be quite large. A considerable amount of modifications will be required, since (professional) drifting is simply impossible in a regular car. Any machine that is prepared for these activities goes through a huge number of changes. VAZ-2106 is no exception.

Features of operation

To ensure long-term and trouble-free operation of the power unit, it must be very carefully and properly maintained. It is also recommended not to allow the engine to operate in extreme modes.

First, let's look at the VAZ-2123 engine, it is a modified version of the power unit installed on the “classic Niva”. The main differences are as follows.

• There are additional fasteners for installing additional equipment.
• The oil filter is not screwed directly into the block, which was typical for all VAZ engines, but has an intermediate insert. This insert is called the oil pump bracket. The power steering pump is also attached to it.
• The cylinder head has been slightly modified. It is designed for the use of INA hydraulic supports.
• A new pump was used, it is marked 2123. The main difference is the use of a roller bearing instead of a ball bearing.
• The pan has been modified; the front axle gearbox is no longer attached to it.
• The fuel rail used is 2123-1144010-11.

Niva 3S Automatic transmission, automatic (part 1)

Niva 21213

.Installed ICE-3SFE (2l), automatic transmission (automatic transmission), control rack, power steering, etc.

As was said on the VAZ-2121 you can install

a huge number of engines from other cars,
but the more desirable ones are
: XUD9TE, D8A. 1.9 l, 90 hp, perfectly fits the Niva, has 190 Nm at 2200 rpm, spins up to 4400 rpm, weighs a little more than just 120 kilograms, heating diesel fuel will come in handy in winter.

The 2nd contender is an import diesel engine with a FIAT-CMD turbocharger with a volume of 1.93 liters. and 90 hp, the price of a new engine ranges from 280,000 to 297,000 rubles, but this is risky and the best option is to buy a used one.

If necessary, it can be used with BMW 1.6-1.8 liters; diesel is even much better.

Possible from a Mercedes 1.8 liter

. Many people have a 3.5.3 liter Fiat Ducato engine on the 2121, but this option is not the most economical or even the most powerful; the previous options are better suited for the Niva.

To completely tune the Niva, of course, install a turbine, turbocharged Nivas, an indescribable picture. But an installed turbine can have a bad effect on the transfer case and it simply won’t hold up.

Installing a turbine on a Niva costs 35,000-50,000 rubles. It should also be understood that the standard Niva engine works with a turbine, but its power is not enough; you can try to backlash, alas, in most cases without success.

The main advantage of the turbine is that, due to the use of exhaust gases, not just friction is acquired, it brings a sensitive gain in horsepower and torque

.

From Which Foreign Car is the Engine Suitable for Niva?

If you drive a VAZ-2106, you understand that this car’s original engine has relatively little power. Today, such engines are short-lived. Therefore, some owners of these cars decide or are faced with the need to change the engine at some point in time. What engine can be installed on the VAZ-2106? At a theoretical level, any engine that fits under the hood is suitable for such a car. Since there is practically no space under the hood of this car model, the engine must be chosen from similar small cars.

When installing a new unit, you will not only have to redo the fastenings and perform a number of other procedures, but also go through the vehicle registration function one more time. When replacing the engine, you will need to re-register the car with the traffic police. This need is due to the fact that there is a license plate on the engine block, which must be registered in the vehicle’s registration certificate.

We install the engine on the Niva from a foreign car. It's worth it

Why do some owners install a Niva engine from a foreign car?
Old Soviet cars like the VAZ-2121 Niva, VAZ-2107, VAZ-2108 at this time may seem at least not profitable, and at most not at all capable. Nowadays you won’t see a businessman driving a VAZ, although not long ago it was one of the most powerful cars; its cross-country ability was unattainable for the EU countries and the USA. But not now…

What problems will installing an engine from a foreign car in a Niva help solve? If you are thinking about how to make the Niva profitable and practical for the modern world, then replace its heart! In principle, almost any engine removed from a foreign car can be installed on the Niva.

However, the engine must meet several requirements: fit inside the hood of the car so as not to cut off additional parts (this can have a bad effect later_. And most importantly, the engine power should not greatly exceed the power of its predecessor. After all, if you install an engine that is too powerful, the car’s design simply will not withstand it, cars of that time were created not for power and speed, but for reliability.

The new foreign car can barely withstand a head-on blow with the Niva, and VAZ has a great chance of winning. But Niva, when making a sharp turn at a speed of 150 km. at an hour it will most likely fly into a ditch, and the foreign car will continue on its way.

Pros and cons of the injector

Which is better - Niva carburetor or injector? Among the advantages of the carburetor Niva, it should be noted:

• Simple design of the power system. In the event of a breakdown, you can fix the problem yourself.
• Cheap service.
• Unpretentiousness to fuel quality. Many Soviet Nivas can easily “digest” even 76-octane gasoline.
• Lack of many sensors.

It would seem that the answer has been found to the question of which is better - a Niva carburetor or an injector. However, a carburetor engine has more disadvantages. Among them:

• Low reliability. Every season you need to adjust the carburetor and carry out its maintenance.
• Dependence on air temperatures. In winter, the spark plugs could easily be overfilled, making starting impossible until the spark plugs were subsequently unscrewed and dried. Also, in winter, due to condensation, the float often “stuck”. And in the summer the fuel pump often got hot.
• Greater fuel consumption.
• Less productivity. To unlock the potential of the engine, it was necessary to spin it up to high speeds.

No matter how simple and maintainable this power system may be, it requires a lot of attention. Over the course of a year of operation, you will have to rebuild the carburetor several times. A modern car enthusiast is unlikely to be happy with this situation (especially adjusting the carburetor or drying spark plugs in 20-degree frost).

Which is better - Niva carburetor or injector? This question interests many car enthusiasts. Here are the advantages of the injection Niva:

• Stable operation of the internal combustion engine. Thanks to the presence of IAC, owners have forgotten what floating speed is. For carburetor engines this was a real disease.
• Great performance. The fuel-injected Niva responds more quickly to the gas pedal.
• Less fuel consumption. We have already seen this by looking at the technical specifications. With the arrival of the injector, consumption decreased by 20 percent.
• Excellent starting in any weather. The injection engine does not flood the spark plugs, and in the summer the fuel pump does not overheat. The latter is submersible and is cooled by gasoline, as it is located in the tank.
• Reliability. Since there is no carburetor, there is no need to regularly tune it, change jets and clean it. The maximum that the owner of an injection-powered Niva can do is clean the throttle valve, but this procedure is by no means mandatory. It is recommended to do this only if the car selects high idle speeds.

And if the engine refuses to start, the contact may have come loose from the crankshaft position sensor. But fortunately, these problems don't happen that often. And you can diagnose them with a simple multimeter by measuring the resistance or contact voltage of one of the sensors. Thus, breakdowns mainly concern only electronics. The mechanical part does not raise any questions.

Japanese engine on the field

The main reason for this was the low engine power.

A Niva with this engine could not overcome off-road conditions efficiently and confidently. Later, designers tried to install 1.9-liter diesel engines on the Niva. However, these models were experimental and never made it into serial production.

The solution to this situation was to install a foreign production model. This diesel engine was quite common and was installed on many cars. Self-installation of a Peugeot engine In addition, on the roads of our vast country you can find Nivas with a diesel engine installed by yourself.

There are, thank God, plenty of options on which diesel engine to install on the Niva. As a result, it turns out that from the standard Niva, by replacing the power unit, they create a version of the Toyota engine for the Niva. This diesel engine is easiest to install in a car, since the mounting points for the Toyota Engine for the Niva model are absolutely the same as for the standard gasoline one.

In addition to the power unit itself, you will also need to replace the standard gearbox. This is primarily due to the fact that the standard Niva gearbox is not able to withstand the loads that will be placed on it after installing the diesel unit.

Guys who have a Niva with a 3S-FE engine, come here.

The clutch housing is also installed together with the gearbox. Owners who convert the Niva to the XUD-9SD diesel engine simultaneously replace the Toyota engine with the Niva's power plant mounting supports. The pallet also undergoes minor modifications. The exhaust system should also be modified.

To ensure greater reliability of all front-wheel drive parts, some elements are replaced with similar ones from Niva-Chevrolet. In this case, the rubber pipes must also be replaced. It would not be superfluous to install a diesel heating system in winter. Many owners install a Japanese diesel engine on their Niva. As in the case of the XUD-9SD power unit, the vehicle has a number of technical modifications and a Toyota Niva engine to ensure proper functioning of the engine.

At the same time, when using Japanese power units, transmission elements are not always replaced. In this case, the gearbox is left as standard, but the technicians do not give a guarantee on service life. But those times have long since become history; now the situation has changed dramatically.

Diesel engine for Niva Chevrolet

As a replacement, a diesel engine is used for the Niva. Such a motor provides the following advantages for the car:

• traction performance at low speeds increases. The car does not slip in the mud on rural roads or on asphalt with wet snow in the autumn. Good performance in the last parameter is also determined by the installation of high-quality studded tires;
• Niva fuel consumption decreases when traveling on rural roads and the highway;
• the lifespan of the engine increases.

However, there are also disadvantages to installing a diesel engine on a Niva. The weight of the car increases, and in city mode this affects the increase in fuel consumption. Vibrations from the diesel engine are transmitted to the body. A diesel engine from a foreign car requires replacement of foreign-made parts. Therefore, the cost of repairing such a power unit increases.

What diesel engines can be installed on the Niva in the list:

• Peugeot XUD 9SD;
• Peugeot XUD 11SD;
• Volkswagen Vento.

Together with the installation of the above-described engines, a gearbox from Fiat Polonese is suitable. It will take a little work to remodel, but it's worth the effort.

What you will need to do:

1. Install pillows from VAZ 21215.
2. Install a bellhousing and gearbox from an already known Fiat.
3. Slightly alter the pan, oil intake, flywheel and some other parts.
4. All changes must be submitted through the traffic police.

After such tuning, you will not need to invest in the car for another five years. The only thing that is needed is to observe regular technical inspection and preventive replacement of consumables: filters from air to diesel, oil seals, if the machine was used in difficult conditions, for example, such as heat and frost below 20 degrees Celsius with a minus sign.

Let's now see which engine can be installed on the Niva, but without making modifications and without completely reinstalling the “heart” system of the engine. Some of the engines listed above still have the ability to fit without modifying the space for the engine. Let us describe in more detail why these engines are good.

Options without modifications

The Chevrolet Niva will be equipped with the Peugeot XUD engine without modifications. Replacing with this power unit is better than installing the original new engine. Firstly, it is more durable than the one that was originally installed on the Niva. Secondly, a dozen different engines will be inferior in terms of power and maintainability compared to Pezhovsky. You don't have to replace many parts to get the motor to fit into the car and interact with the wheels and transmission.

Another disadvantage of this engine is its high cost. It is installed on Niva cars for export. Therefore, parts for it have a high price.

The remaining diesel engines are installed with modifications.

Modified options

Engines on the Niva with modifications are already coming from Toyota and Volkswagen. I wrote about them above and how they need to be changed so that the engine works properly was also described. However. If you do not understand the design of power units, then it is better to leave the replacement procedure to experienced mechanics.

Therefore, I will not go into details. I’d rather write what you need to know when swapping an engine for diesel or gasoline:

• the power unit must be freely placed under the hood in the engine space of the car;
• The maximum permissible excess power is no more than 20 horses. Otherwise, other parts of the car will not withstand the load;
• swap should be useful.

Now let's talk about gasoline power units.

Technical characteristics of engines on Niva

Since the domestic car has been so advertised, let's take a look at the technical characteristics of the Niva 2121 internal combustion engine. They are all recorded in the table.

Attention! The closer the Niva engine is produced to the year in which it lives, the higher the environmental class.

The Niva's fuel consumption is as low as all small cars. Car owners often change their gasoline engine to a diesel engine for their Niva Chevrolet. Let's take a look at the advantages obtained by installing this engine and the negative aspects that the owner has to face.

Oil pump work

Next, do the following to remove chamfers on the edges of the teeth:

1. We compress, that is, remove, the drive gears.
2. We trim one of the gears by 0.75 mm on each side.
3. We cut the second gear to 11.5 mm (after trimming).
4. We repeat the operation with the remaining gears (driven).

Let's start working on the body. To do this we do the following:

1. We release the driven gear axis from the housing.
2. We form a longer axis from the drive roller.
3. We insert the resulting axle into the body.
4. We press the narrow gear onto the second drive shaft.
5. Press on the wide gear.
6. We fix the wide driven gear in the housing.
7. We install a narrow gear into the housing.

This sequence will prevent the gears from turning relative to each other. You can also improve the oil receiver of the Vase by cutting it a centimeter from the bottom. After this, we adjust the end gap and connect the entire structure with bolts.

Full technical specifications of the Chevrolet Niva - summary table

* – engine data before modernization in 2020 is indicated in brackets.

Technical characteristics of the internal combustion engine VAZ 21214

Also interesting: Choosing oil for a Chevrolet Niva engine

Of course, the engine must have more serious characteristics compared to its predecessor, because without this the entire replacement will be pointless.

As was said, many engines from other cars can be installed on the VAZ-2121, but the most preferable are: XUD9TE, D8A. 1.9 l, 90 hp, fits perfectly into the Niva, has 190 Nm at 2200 rpm, spins up to 4400 rpm, weighs a little more than 120 kilograms, will need heating of diesel fuel for the winter.

The second contender is an import diesel turbocharged FIAT-CMD with a volume of 1.93 liters. and 90 hp, the cost of a new engine ranges from 280,000 to 297,000 rubles, but this is not profitable and it is better to buy a used one.

Interesting? Then read the article “

Replacing the engine with a contract one

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Another option can be used with BMW 1.6-1.8 liters,

It is possible from a Mercedes 1.8 liter. Many people have a 2.3-liter Fiat Ducato engine on the VAZ 2121, but this option is not the most budget-friendly and not the most powerful; the previous options are better suited for the Niva.

To finally tune the Niva, you can install a turbine, turbocharged Nivas, an incredible picture. However, the installed turbine can have a bad effect on the transfer case and it simply won’t hold up.

Installing a turbine on a Niva costs 35,000-50,000 rubles. You should also remember that the standard Niva engine copes with the turbine, but its power is not enough; you can try to play it, but most often without success.

Basically, the work of the turbine is that, due to the exhaust gases, more friction is acquired, it brings a sensitive gain in horsepower and torque.

What diesel engines did AvtoVAZ install on the Lada 4×4?

AvtoVAZ saw the need to install a diesel engine on the VAZ 2121, so it made several attempts to modernize its popular SUV. After trial and error, the company was able to place a Peugeot XUD-9SD diesel engine under the hood of the car. From 1999 to 2007, such a diesel Lada 4×4 with the VAZ 21215 index was only exported.

Most recently, the plant produced a prototype Lada 4×4 with a second generation Fiat 1.3 16v MultiJet diesel engine. It took a lot of effort and modification to place it in the engine compartment. It is not known how the tests ended and whether this modification of the SUV will go into mass production.

Serial Niva with diesel engine

From the very beginning, engineers at the plant tried to implement the idea of ​​​​installing a diesel engine on the Niva 2121 model. For the Niva it was planned to use a domestic version of the 1.5-liter turbodiesel engine. With such a unit, prototypes were unable to effectively cope with off-road driving due to insufficient power.

Also interesting: Replacing the Niva Chevrolet heater fan: why it doesn’t work, creaks, do-it-yourself repairs » AutoNovator

Having abandoned the idea of ​​installing their own diesel engine on the Niva, the engineers proposed the option of installing a Peugeot brand diesel engine. The French diesel engine received the factory index Peugeot xud9sd, has several versions with different boosts (69-75 hp) and is widely represented on different car models.

Engine design: diesel, in-line, 4-cylinder, longitudinally mounted. Working volume: 1905 cm3. One of the modifications of this diesel engine, when installed on the Niva, provided the vehicle with the following dynamic performance and performance characteristics:

The Niva with such a diesel engine turned out to be economical and performed well off-road, since the Peugeot xud9sd diesel engine provided the all-wheel drive vehicle with decent low-end torque. An additional advantage of the imported diesel engine on Niva was its reliability and relative ease of repair and maintenance.

As for the dynamics, the Niva 2121 with the Peugeot xud9sd engine accelerated to “hundreds” very slowly. The emphasis was placed on the main purpose of the car - increased cross-country ability on all-out off-road conditions. The Niva model with a Peugeot diesel engine was included in the series, but the car was produced in limited quantities and was also exclusively exported. In 2009, serial factory production of the diesel Niva completely ceased.

Let's sum it up

There are quite a large number of ways to modernize the Niva engine, all of them have their own specific features. It would seem that replacing consumables with better ones is an insignificant upgrade, but it allows you to increase engine power by several tens of horsepower.

It is recommended to entrust serious engine modernization to professionals. This is due to the fact that even minor mistakes made can cause rapid wear and tear of the structure and render it unusable.

If the engine is in poor technical condition, then attention should be paid to the possibility of completely replacing it: the amount of work and costs are reduced. The motor must be not only powerful, but also reliable, which should not be forgotten

Replacing Chevy Niva engine components

So, the first method is engine tuning, which involves replacing some components. First of all, this concerns the cylinder-piston group (CPG) and the crank mechanism (CPM), which requires boring of the liners. All this allows you to increase the working volume and, as a result, the power indicator.

First of all, boring is carried out, allowing the inner diameter of the liners to be increased. After this, a selection of pistons and piston rings of appropriate size is made. In addition, the engine is equipped with a crankshaft with elongated arms, as well as shortened connecting rods. Thanks to this, it is possible to increase the piston stroke. All this leads to an increase in volume from 1.7 liters, which the factory Chevy engine has, to 1.9 liters.

But replacing only the crankshaft and CPG motor is not enough. An increase in volume entails the need to increase the combustible mixture supplied to the cylinders and to better ventilate them. For this purpose, the cylinder head (cylinder head) is also subjected to tuning. First of all, the intake and exhaust windows are bored, and the valves are replaced with larger ones. At the same time, the valve seats are bored out and replaced.

Boring of inlet and outlet windows

Additionally, you can completely change the exhaust system by increasing the diameter of the exhaust pipes, and also replace the catalytic converter (catalyst) with a flame arrester.

Note that design changes to the engine will entail the need to reconfigure the operation of the fuel supply system, since with standard configurations and an increased volume, there will not be enough fuel supplied to the cylinders. That is, it will still be necessary to carry out chip tuning.

All this tuning, associated with changes in geometry, allows you to increase engine power by 15% of the nominal. But it is worth noting that an increase in volume will also entail an increase in fuel consumption.