Features of tuning the VAZ 2109 engine

Engine power on the VAZ 2109 and increasing it yourself

Engine VAZ 2109
Most of the “nines”, which a certain part of motorists drive today, are equipped with a carburetor engine. In this case, many people are not satisfied with the engine power of the VAZ 2109 and some are trying to increase it. The car is taken to a service station, where various methods of increasing power are carried out. In this article we will find out what you can do with your own hands if the engine of a VAZ 2109 does not develop full power.

Don't forget about other parts of the car

As mentioned above, the clutch suffers the most, and, naturally, it should also be changed. Some people like to use regular imported kits, while others, more advanced ones, like cermets. The last “patient” in this whole scheme is the CV joints, which, as the engine power increases, will have to be paid attention to very often, right up to replacement. The brake pads will also not be completely “happy” with the new operating conditions. Installing axle shafts will provide some help in this matter, but if you constantly squeeze full power out of your “horse,” then their usefulness will not last long. The new engine will not be happy with the old suspensions, which are already accustomed to a small work front. The difficulty in maintaining the center of gravity, especially when turning, will make itself felt in the near future.

Springs of Western counterparts will come to the rescue, and replacing gas “one-tube” ones will save the car from an unpleasant fate. True, you will have to press yourself a little to the ground, but the system will quickly respond to the slightest vibrations of the steering wheel in any direction.

Paying so much attention to speed characteristics that allow us to stay afloat, we completely forgot about the brakes. It is very difficult to overestimate the importance of these “guys”, especially when you are driving at breakneck speed, with countless horses under the hood. Fortunately, here too there are alternative options from the older brother of the “nine” VAZ 2112. The brake pads of the improved friend will satisfy the requirements of the new internal combustion engine in terms of strength and quality characteristics, but the price will make you pleasantly surprised, because it is almost identical to the old pads.

That’s probably all, after all the above actions, only the body will remain old from your old car, and even that can be modernized - if you wish!

Ways to increase engine power on a VAZ 2109

VAZ 2109 increase engine power

There are several known ways to increase engine power today. Below are the most popular ones.

Carburetor

If the VAZ 2109 with an injection engine has no problems with power, then the same cannot be said about the carburetor version. As you know, the VAZ 2109 car is equipped with a DAAZ 2108 carburetor, assembled at the Dimitrovgrad plant. The manufacturers of these same carburetors certainly don’t grab stars from the sky, and the products that come out of their factories, frankly speaking, are different. The fact is that some carburetors can last more than 7-8 years without problems, while others cannot last even 3 years. In addition, as mentioned above, engine power depends on the carburetor. If bad gasoline or dirt gets into a regular carburetor, or the driving style of a novice driver does not meet the standards, the carburetor (see Repairing a VAZ 2109 carburetor at home) prevents the engine from functioning normally. In this case, the power drops sharply.

Note. The reason for the ineffective operation of the carburetor can also be non-original jets. Increasing engine power by modifying the carburetor

It is worth noting that replacing a standard VAZ 2109 carburetor with an imported one will not make any significant difference in terms of increasing engine power. Only revision will help.

Note. A comparative test of the Italian Weber carburetor, which is suitable for the VAZ 2109 and DAAZ, did not give any difference. In addition, the imported carburetor “gobbled up” more fuel during operation than the domestic one.

On the other hand, some fans installed a standard Niva carburetor and the difference in power was felt. And this is not surprising, because the Nivov carburetor has more calibration data. Tuning the standard carburetor of a VAZ 2109, if done correctly, will give a noticeable increase in the dynamics of the car and significantly increase engine power. Let's get started:

• We disassemble the standard DAAZ and get to its second camera.
• We remove the spring, which is located in the vacuum drive of the throttle valve.

Note. Removing this same spring will help, with a slight increase in fuel consumption, to guarantee an increase in the dynamic characteristics of the car. Simple, cheap, but cheerful.

• Another method involves modifying the same vacuum drive. A homemade wire ring is inserted under the nut that secures the damper drive levers in the second chamber. It turns out to be a kind of protrusion between the wire and the lever. Tighten the nut.

Note. This modernization gives an increase in dynamics with a slight increase in fuel consumption.

VAZ 2109 increase engine power

• We change the diffuser of the primary carburetor chamber. If the standard diffuser is marked with a value of “3.5”, feel free to set it to “4.5” and enjoy the increase in power, albeit for the sake of economical fuel consumption.
• We change the pump nozzle, which has a value of “30”. We dismantle it and install a sprayer with a value of “40”.
• Some craftsmen manage to install an additional carburetor on the car. Having managed to successfully synchronize the opening of the dampers, an increase in engine power with two carburetors is guaranteed.

Zero resistance air filter

The so-called “nulevik” is capable of helping to increase the dynamics of the VAZ 2109 car. It can be easily purchased on the auto parts market at a very affordable price and installed:

• We dismantle the housing of the old filter and air duct.
• Remove the crankcase gas exhaust pipes.
• We install a new air filter and get an increase in power by 3-5%.

Muffler

Some advise not to bother with the carburetor and filter, but to immediately start installing a direct-flow muffler. So:

• We remove the resonator and the old muffler.
• We dismantle the exhaust manifold, but leave the “pants”.
• We install a new muffler (see Replacing a muffler on a VAZ is done with high quality), selecting the diameter of the pipe according to your preferences.

Note. Installing a direct-flow muffler, although it gives a noticeable increase, has a drawback. The fact is that when accelerating and releasing gas, the noise increases significantly, which may not be liked by others and traffic police inspectors.

Increasing the compression ratio

• The cylinder head is dismantled.
• The cylinder head is milled on a special machine (changes should not exceed 0.5-1 mm).
• Having thus reduced the volume of the combustion chamber, we increase the compression ratio.

Note. The increase in power in this case is 12-15% more, which is very good. Do not forget that after this modernization you will no longer have to fill the tank with ordinary fuel, but with pure gasoline with an octane rating of AI95-98.

Sports camshaft

Installing a sports camshaft will ensure maximum supply of the air-fuel mixture to the cylinders, and this will increase the valve lift height. During this modernization, we do not forget to install also modified cams, which are distinguished by their exceptionally smooth profile. Such tuning cams will ensure reliable operation of the timing belt.

Note. A distinctive feature of the sports camshaft is that the detonation limit is significantly pushed back, which is clearly visible at low crankshaft speeds. Types of sports camshafts

How to speed up a VAZ car

21083, 1500, 8cl, carb, all stock.
What can be done to speed up acceleration? Tell us more specifically about the engine, gearbox, etc. I don’t turn the engine too high, usually 3500-4000, sometimes up to 5500-6000, but very rarely. I would like the car to be more energetic when accelerating. Don't hurt me, first post in this thread.

My row+block came out at 30k. Along with a complete overhaul and replacement of a bunch of everything. I think this is not an option for you as a first step.

for starters, turn it at 6.5-7 thousand) overclocking will be more fun)

next is a button accordion type 10.93, modification of the distributor, etc.

Finally, all this is smoke, we need at least 30 thousand budget for 1.6 16 ve

and then the shafts, exhaust, big bugs, throttles, gearbox

My row+block came out at 30k.

I have about 5-6 thousand

for 30 thousand, I think it’s a fuck-up, they cheated you. I can’t even figure out how to give away 30 thousand. probably only if you buy everything new in the injector sport, and then give everything for assembly to one of the St. Petersburg tuning firms. Kick. for 30 thousand the engine could have been tuned quite well.

21083, 1500, 8cl, carb, all stock. What can be done to speed up acceleration? Tell us more specifically about the engine, gearbox, etc.

a couple more, a row shorter. by engine 10.93

But in general, the 16kL system is better. Eng.

Then I'll probably start by making an engineer

.. Then I’ll probably start by making an engineer, then I’ll think about 16v.

I don’t even know how to give 30 thousand

Santa Claus, if you have money, then build 16kl. Eng. We will help you with advice.

Although, get in touch with Cossack (I don’t know how the nickname is spelled) he had the idea to build a 16v on two carbs..

If it’s 16v, then yes, supercool, although contact Kazak (I don’t know how the nickname is spelled) he had the idea to build a 16v on two carbs..

It seems he wanted to leave 8V but on a dual CV carb.

And I have a crazy idea to install two Solleks drains on Oka manifolds, although I know that I’m crazy.

The idea is really crazy and you are really crazy.

Serg_x

I'll explain. I have 12 rows + a pair of 4.1+ blocks, he has 18 rows + a pair of 3.7 (he didn’t talk about a pair)+ blocks

He threw in 30 thousand, I threw in a little more than 5. The differences in such configurations are only in the first. you can look at the graphs. almost identical. plus I have a bonus, of the non-standard gears only 1 and 4, the rest is stock. The point is not that I am against the 18th row, I just said that 30 pieces is a hell of a lot for a gearbox. IMHO.

In the injector they don’t recommend the 18th row to everyone, but load the brain with unnecessary information)

But I don’t really like entering into a discussion about tuning there.

Maybe they’re right and I’m wrong, but there’s a lot of unnecessary information.

(he didn't talk about the couple

row, GP, block, conversion kit from 10th to 8th, repair kit, new bearings, gear selection module, still inside, clutch assembly. + removal, installation of box 2k, + bulkhead 2k.

Source

Lightening the knots is the key to success

It will be necessary to lighten the following engine elements as much as possible: - pistons; - crankshaft; — connecting rods; - flywheel.

On sale you can find already lightweight parts produced specifically for engine tuning. In addition, increasing the engine volume will add several horsepower. But it is extremely undesirable to use maximum cylinder bore. It’s just that in case of the next major overhaul you will have to install new liners. And this is quite a large expenditure of money.

Replacing the carburetor with an injector

If you have a carburetor fuel injection system, then it is best to replace it with an injection one. As a result, you will get a lot of advantages, against which the disadvantages are not very noticeable. The advantages include:

— the ability to flash the ECU for the desired operating mode; - fuel economy; — possibility of installing turbocharging; — reduction of emissions of harmful substances (although few people care about this).

Turbocharging works best with injection engines. Carburetors have a trait - they are sensitive to the amount of air. It is also possible to install fourth-generation gas equipment on the car. You should not put the fifth one, as it is expensive to maintain and repair, but in terms of capabilities it is on par with the fourth. The power loss will be only 3%, but the savings on fuel will be noticeable.

Turbine installation

This is something that can increase engine power several times. A high-quality turbine from a reliable manufacturer will improve engine performance many times over. It is only desirable that the engine be in perfect condition, otherwise it will not be possible to get the most out of it. The turbine is driven by exhaust gases, so it only works when the engine is running. You could even say that the motor works on its own.

From the impeller in the exhaust manifold, the movement is transmitted along the axis to the compressor, made using gears. This type of compressor is not afraid of high temperatures and is quite durable. As a result, air under high pressure is pumped into the power system, which increases engine power.

There are many nuances in the operation of a turbine. For example, at certain engine speeds a dip occurs. In this case, the operation of the turbocharger is not felt. By overpaying a little, you can purchase a turbine in which two compressors are installed, in which failure occurs at different engine speeds. As a result, they compensate each other, and the driver does not experience discomfort from this behavior of the motor.

Whitelight › Blog › Speeding up engine warm-up - 3 simple tips

They are understandable and long known. But not everyone uses them (especially the first one). Once again, it’s time to remember how to quickly warm up the engine in the morning. The speed of warming up, of course, depends on many factors: the displacement of the engine and its energy efficiency, the presence or absence of faults in it, the size of the interior... But if your car is in good condition, there are several general points that speed up warming up in the cold season. If the arrow of the engine temperature indicator has already come off the lower limit, you should raise the speed slightly and keep it in the range of 2000–3000 rpm; After warming up a little at idle, you can start moving slowly - a small load on the engine will also make it warm up faster, but avoid increased loads - this will significantly increase the wear of the cylinder-piston group parts; Do not immediately turn on the heater fan to maximum airflow - as long as cold air comes from the air ducts, there is no point in doing so. The interior does not warm up, and engine warming up slows down. What determines the speed of warming up? — First, let’s list the factors that we cannot influence immediately.

Winter tips for motorists. Unexpected and useful Engine displacement. Obviously, a multi-liter eight-cylinder engine produces much more heat even at idle than a small car engine. Remember this the next time you change your personal car. Engine efficiency (energy efficiency). Diesel engines warm up slowly precisely because they convert a much larger portion of the energy of burned fuel into useful work - in particular, they rotate themselves and a bunch of auxiliary units at idle. And a very small part of the heat goes into the cooling system and is lost in the exhaust gases. Accordingly, it is almost impossible to warm up a diesel engine while idling in cold weather. Almost all the same applies to turbocharged gasoline engines with direct fuel injection. They are characterized by high efficiency, low fuel consumption, convenient torque characteristics and slow warm-up without load. But good old naturally aspirated engines, while not having very good fuel consumption figures, warm up quite quickly. All the described processes are very well indicated by the car’s on-board computer if it has an hourly idle fuel consumption mode. So, for simple atmospheric engines it is noticeably higher than for more modern units or diesel engines. Malfunctions. If the thermostat hangs in the open position, then do not expect heat in the car. A clogged cabin filter and a heater radiator clogged with dirt inside and out will also worsen the flow of heat. To quickly warm up, all vehicle systems must be in working order. Interior dimensions. It’s one thing to warm up a few cubic meters of the interior of a Lada Largus, another thing is to create a warm atmosphere in a pickup truck with a short cab and one row of seats. In the second case, it will take much less time to warm up the interior. Keep in mind Not all cars have standard and correctly working engine temperature gauges. Most of these indicators come to life only at a coolant temperature of 40°C. There are cars that simply have a blue symbol in the instrument cluster, indicating that the engine is cold. And it goes out only when the coolant temperature reaches 60°C. After this mark, the motor can already be loaded without fear of harming it. How to speed up the warm-up of the engine and interior?

How to heat the interior of a car. Instructions ZR Ambient air temperature and wind speed. Obviously, we cannot influence these factors. Although... if you know exactly where the underground heating main runs through your yard (it can be easily calculated by the snow melting above it), then you can park the car exactly above it. You'll gain a couple of minutes while warming up. Engine speed. Higher revs means faster warm-up. Here, oddly enough, old carburetor engines had some advantage in the form of “suction”. Remember this lever under the front panel, which you pulled towards yourself immediately after starting the engine? In this case, the engine worked with the air damper closed, usually at higher speeds than a modern injection engine in warm-up mode. The driver of a modern car can lightly press the accelerator pedal so that the engine operates in the range of 2000–2500 rpm. Engine load. The greater the load, the faster the warm-up. But here it is important not to overload a cold motor, since cold oil does not yet provide complete lubrication, and the thermal clearances are far from optimal. We always recommend a short warm-up at idle, and then slowly drive for a few more minutes at minimum load. When parking, turning on the “D” mode of the gearbox will slightly speed up the warming up of a car with a CVT or a classic automatic transmission. Heat transfer to the heater. The rate at which the interior warms up is also affected by whether you use the heater correctly. If the car has a small displacement engine, then the heater radiator, blown with icy air at maximum fan speed, makes it very difficult to warm up the car. And the air coming from the stove is cold, and the engine will not warm up. It is better to slowly defrost the windshield at first speed. There are cars with two heaters, where the heat dissipation is greater, but usually these vehicles have a fairly powerful engine that warms up quickly. Even on cars with modern energy-efficient engines, an electric air heater is often installed in the heater. This device deserves all the praise. Availability of additional heating systems. There are devices that owners of diesel cars now almost cannot do without. These are autonomous heaters. They run on fuel from the tank, and the only drawback is that they can drain the battery. Not completely, of course - protection is provided for this case, but to a certain extent. Such devices can be purchased and installed on your car. Do not let the engine cool down after the previous trip, that is, do not turn off the engine at all. The method is sometimes used in the Far North. Well, the “light” version of this method is used by many car enthusiasts, even in the middle zone. This is an automatic engine start system based on temperature. Once the engine has cooled down, let it run for a bit. And so, perhaps several times a night. An option is auto start in the morning from the key fob or by timer.

Source

Increasing engine power in a car with a 2108 Solex carburetor

There are several relatively simple ways to increase the power and throttle response of your car's engine by slightly modifying the carburetor.
Let's consider ways to increase the power and throttle response of engines of front-wheel drive VAZ 2108, 2109, 21099 cars with 2108, 21081, 21083 Solex carburetors. These methods are well known and will not require any serious interventions in the operation of the engine, carburetor and fuel system of the car, however, the result can be achieved quite well. The only negative of these modifications is a slight increase in the engine’s fuel appetite.

We change the sprayer and pressure cam. This method is discussed in more detail in the article “Quick start with Solex”.

2. We change our carburetor to another (with larger calibration data).

The method is suitable for owners of carburetors 2108, 21081, 21083. They can be replaced with carburetor 2107-1107010 from the Niva car.

The risk is worth it

Extreme automotive enthusiasts, risking literally everything, arrange a complete modernization of the internal combustion engine. To say it's risky is an understatement. All that remains of the old spare parts in the new engine is the block. In this case, almost everything changes, from an increase in the volume of the working stroke to the injection rate of the air-fuel mixture. This entire system is covered on top with a 16-valve head from a VAZ, which further leads to an increase in horsepower to 120-130. Do not try to repeat such operations without prior training from more experienced comrades; this modernization method is only available to highly qualified tuning centers. The camshaft and intake system, in principle, can be replaced by any car mechanic; no special knowledge or effort is required, but in our case these minor skills are clearly not enough.

It is worth remembering that such a surgical intervention can destroy the transmission of a new car. First of all, the gearbox will come under attack, then the clutch will die for a long time, and then the drives will burn out. I think the consequences are obvious. Therefore, “cheap” intervention in the life of the internal combustion engine will lead to expensive modernization, or even replacement of the entire transmission.

Some eccentrics even manage to reduce the steps in the gear ratios between first and second gears. But the end justifies the means, and this method also has a right to exist.

Tuning process

Do-it-yourself VAZ 2109 engine tuning begins with removing the engine from the car. So, you will have to turn off the power supply, ignition system and other systems. So, let's look at all the stages of modifying the engine yourself. It is impossible to carry out complete tuning with your own hands, since you will still have to contact a car service at some stages.

Removing the motor

To remove the engine you will have to go through a certain process of disconnecting and dismantling the auxiliary systems. So, let's get started with the process:

1. Remove the battery and holding shelf.
2. We remove the air filter and carburetor.
3. We remove the ignition elements that are located in the engine compartment.
4. Drain the coolant and engine oil.
5. We unscrew the gearbox from the internal combustion engine.
6. We dismantle the radiator to make it easier to remove the engine.
7. We take out the engine CV joint.
8. Unscrew the engine mounts.
9. We remove the hood and dismantle the engine.

The described process is not complete, but only the basic actions that need to be done.

Disassembling the power unit

Disassembling the power unit is done in a few hours. So, first you need to dismantle the cylinder head cover and the oil pan. It is best to carry out this operation on a special stand.

After this, we begin to remove the main components. Unscrew the bolts securing the cylinder head and cylinder block. Then, we set the head aside and work directly with the cylinder block. So, let's look at what you have to remove:

1. Unscrew the yoke and remove the crankshaft. First we dismantle the pulley.
2. We dismantle the water and oil pump.
3. We take out the piston group. We dismantle the connecting rods. If there is, you need to remove the sleeves.
4. Now, the block is ready for further manipulations.
5. The last step is washing the parts and the block.

Once the block is disassembled, you can proceed to disassembling the cylinder head.

1. Remove the camshaft cover.
2. We remove the camshaft.
3. We dry out the valves.
4. Remove the springs and seals.
5. We take out the valves.
6. We knock out the saddle and guide bushings from the head.
7. We wash the parts and the base of the head.

Determining Rework Priorities

To increase the power of the VAZ 2109 carburetor engine, you will need to purchase a piston group, valves, camshaft, connecting rods and crankshaft. All these parts must be lightweight and manufactured by tuning manufacturers.

Thus, the piston group, valves and seats are suitable for ATI. It is best to install bronze guide bushings made by the American manufacturer K-line. The crankshaft and camshaft are purchased from the German company TDR.

Working with the cylinder block

To begin with, the cylinder block must be bored for new pistons, respectively, with a size of 82 mm. Then, the crankshaft and new bearings, which come with the main part, are installed.

To make everything work like a clock, you need to install a lightweight tuning clutch manufactured by Sachs. After the clutch is attached to the shaft, balancing must be done. It is advisable to carry out the operation on a special stand.

We assemble the piston assembly, namely, we attach the pistons to the connecting rods. Then, you can begin the so-called “dressing” process. This refers to the attachment of connecting rods with pistons to the crankshaft. We install the crankshaft oil seals and bearings. We install the yoke and you can fix the pallet. Then, the remaining auxiliary components, such as the pulley, water pump and roller, are assembled.

Head tuning

Tuning a cylinder head is actually assembling new parts onto old seats. So, a disassembled cylinder head is assembled from an old body and new tuning elements. There is nothing complicated in this process.

What will happen to us for this?

Sports cars are famous for their noise effects, and driving down your street sometimes leaves the impression of the start of a nuclear war. It’s quite simple to explain - the exhaust system is just configured a little differently than other cars in this series, which leads to noise that is unpleasant for city residents and pleasant for the driver. Feel the power hidden under the hood of your almost-Mustang. Having lost in noise, you will get another more pleasant nuance - an increase in engine power within 3-5 horses, which will make any car enthusiast rejoice with joy.

Here you need to give a clear example with the installation of any product, the cost of these parts is relatively inexpensive ($250-300), but the result will not take long to arrive. After installing such a thing, your previously choking old VAZ 2109 will get a second wind and start thundering in a completely different way.

If you follow strictly the instructions given above, pay attention to the jets and understand a little about ignition issues, you can increase the engine power from 5 to 10 horsepower, without any damage to engine life.

There is a popular method of increasing engine capacity to 1600 cubic centimeters, carried out by replacing the carburetor with a dual, horizontal type (). Or changing the controller program to inject the mixture into the cylinder. By combining various methods, you can achieve the desired result with the least loss of other characteristics. Improvement in power will not be an immediate result of the work done (up to 100-110 horses). Despite the use of high-quality fuel and careful monitoring of the chassis of your car, these methods are fraught with frequent overkill of the VAZ’s internal combustion engine, which most likely refers to the negative qualities of this tuning.