Installing 2nd generation HBO on a carburetor

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Installation of HBO on 2106: multivalve

In the article you will learn about how to install gas equipment on a VAZ 2106, what are the requirements for this process. I also recommend reading about installing an LPG on a 4th generation car.

It should be noted that this guide is intended for informational purposes only; only the main points are described without a deep dive into the topic. If you are faced with the installation of gas equipment for the first time, then it is best to study in more detail the technical literature, as well as the recommendations of the gas equipment manufacturer.

The feasibility of converting the VAZ 2106 to gas

The VAZ 2106 engine is equipped with a carburetor. It prepares the fuel mixture by mixing gasoline with air in a ratio that depends on the quality of the gasoline. Due to the pressure difference created, the resulting mixture is “pulled” into the intake manifold.

The carburetor does not have sensors that can analyze the engine speed. The same “portion” of fuel always goes into the combustion chamber: at idle and when driving at maximum speed.

This inevitably leads to wasteful consumption of gasoline. A huge volume of environmentally harmful substances is sent to the exhaust system.

Installing HBO on a VAZ 2106 solves these problems.

According to the calculations of the six car owners, if you drive ten times on gas fuel from Moscow to Anapa, then installing gas on a VAZ 2106 will completely pay for itself. When intensive use of the car is not expected, the installation of LPG will pay for itself in a year and a half (approximately 30,000 km). With an annual mileage of less than 10,000 km, gas for a VAZ 2106 is not practical.

• 1 l. gas costs about 2 times less than 1 liter. gasoline;
• with good tuning of the Solex carburetor produced by DAAZ, which are classics, gasoline consumption on the six will be 8-10 liters;
• Proper installation and configuration of gas equipment will show gas consumption from 10 to 13 liters.

Thus, the LPG of the 2106th modification of the Lada will provide a great service in terms of fuel economy, even if the LPG consumption is 13 liters per 100 km. How much a set of equipment and its installation costs depends on the manufacturer and service station.

The car owner has plenty to choose from: Tomasetto, Yota, BRC, Lovato, Alpha, Atiker. They differ in price and quality, warranty period, and level of adaptation to the quality of gas fuel at our gas stations.

On a note! Installing LPG on a VAZ 2106 with your own hands is not difficult for those who understand the fuel supply system. But it should be remembered that according to the new legislation, if there is no copy of the service station license, the gas equipment cannot be legalized by the traffic police. The exception is for vehicles where the installation of gas equipment was carried out before December 31, 2014.

How to debug the dispenser

This is the final stage of manual calibration of gas equipment on your car. On a functioning engine, set approximately 3000-35000 rpm, but the choke cannot be used. It is better to debug the gas equipment dispenser not alone, since at this stage it is prohibited to use the suction, it is better to take someone to help you.

Tighten the dispenser screw until the stent reaches a threshold for changing motor rotations. To do this, turn the dosing regulator to the sides stronger and weaker - this helps to check that the threshold is detected accurately. After these actions, the screw is released ½-¾ from the calculated threshold. Then the idle speed is debugged and the LPG calibration is completed. If carbon dioxide in the exhaust gases exceeds the norm, adjust the regulators to increase the volume of the air part on the carburetor engine and the idle speed on the gearbox.

If the presence of carbon dioxide in the “exhaust” is increased, then the carburetor screw is calibrated, and in case of the opposite situation, gear adjustment is used.

How does the gas system work?

A very important chapter, since only by imagining all the stages of starting an engine on gas equipment can you learn how to use gas equipment correctly.

HBO for the VAZ 2106 for the carburetor works according to the following scheme:

• the engine starts and heats up using gasoline;
• the fuel selection button is moved to the neutral mark for the final production of gasoline in the carburetor;
• the solenoid valve is connected, it shuts off the gasoline supply;
• the switch is set to gas supply;
• liquid gas is supplied to the reducer through a multivalve (at the same time passes through the filter);
• when the gearbox warms up from the engine cooling system, liquid gas turns into vapor;
• gas passes through the power register and is mixed with air in the carburetor;
• the gas mixture is ignited by a spark in the combustion chamber of the internal combustion engine cylinder.

To switch the car back to base fuel, the LPG switch is immediately switched to gasoline.

Important! In order for gas to mix with air, an injection mixer (spacer) or gas inserts are installed in the 2nd generation gas equipment.

How to calibrate a vacuum reducer

If the installed gas-cylinder equipment has a vacuum reducer-evaporator, then you need to determine what type of element it is. There are 2 types - with a combined regulator (idle speed and “sensitivity”) and a separate one. In the case of the latter type of design, its calibration coincides with the debugging required by the electronic element. In the version of the integrated regulator, it is calibrated as follows:

• start the engine and set the choke to 1700-2000 rpm;
• gradually reduce the suction and turn the idle speed control, finding the peak value of engine rotation;
• repeat the manipulation until the choke is in the starting position and the motor begins to function stably at idle;
• the idle speed regulator sets the peak value - 1000-1100 rpm;
• tighten the idle screw, reducing the torque until it is less than the nominal value;
• unscrew the idle speed control and set it to 950-1000 rpm.

Installation of gas equipment

Installation and connection of the gas equipment on the VAZ 2106 is carried out in the following sequence:

1. It is necessary to purchase components and make sure that all elements are present.
2. Prepare mountings for the cylinder in the trunk. Ventilation holes must be provided.

3. After installing the cylinder and multivalve, the VZU is installed (preferably in the gas tank flap).
4. Connect the filling pipeline to the multivalve.
5. Install the gas pipe to the engine compartment.
6. In the engine compartment, a vacuum reducer-evaporator is connected, to which the flow line is connected.

7. If there is no solenoid valve, a coarse filter is placed between the gas tank and the evaporator (closer to the gearbox).
8. A valve is installed that closes the gasoline supply.

9. To supply gas from the gearbox to the carburetor, tap fittings are made or a mixer is installed.

10. The hoses from the heating system are connected to the gearbox.
11. An HBO switch is mounted on the panel in the cabin.

After installation is completed, you need to start the engine. When you move the switch button to gas, the car should stall. Then no more than 10 liters of gas are filled into the cylinder. Using a soap solution, check the tightness of the gas line and immediately eliminate the defects. Next, adjust the HBO.

Important! The gas pipeline is led away from the muffler and the moving mechanisms of the vehicle suspension. It is recommended to mount it parallel to the gasoline line. Use plastic clamps and metal fasteners.

You can adjust the system yourself, but there is a risk that fuel consumption will be greater than entrusting this matter to professionals.

Connection diagram

As you can see, the connection diagram for the LPG on the VAZ 2110 injector is not particularly complicated. For example, let's look at the connection features of some more models. When installing gas equipment on a VAZ 2109 with a carburetor, the gas reducer and valve are installed directly in the engine compartment. The output on the valve is connected to the input on the gearbox. The inlet side of the valve is connected to the fuel line. The evaporator reducer is connected to the cooling system. To ensure quick heating, it is advisable to place it next to the stove (on the right side). To connect to the cooling system, the following steps will be required:

• the tube going to the heater radiator is disconnected;
• the tube through which heated antifreeze is transferred is placed in the direction from the gearbox housing to the booster pump;
• the next tube connects the reducer to the heater tap.

When the gearbox is installed, you need to start installing the regulator that supplies gas to the carburetor, which you will have to cut into if there is no mixer for supplying fuel. To do this, holes are drilled in its chambers to accommodate special fittings, to which gas pipes are connected.

When installing gas equipment on a VAZ 2121, there is one feature: you can save space in the trunk by placing the cylinder under the bottom of the car. To do this, you will need to make the appropriate fasteners; This arrangement will allow it not to take up trunk space.

Many car enthusiasts are interested in how to remove gas equipment from a VAZ if they are not satisfied with the installed gas equipment due to its obsolescence, or due to the need to free up space in the trunk? It's easy to do it yourself. Dismantling is carried out in the reverse order; plugs can be inserted into the previously drilled holes.

But it is much easier to use the services of professionals: they will not only dismantle your unnecessary gas equipment for a third of the cost of its installation, but will also offer you the option of installing more modern equipment. In any case, the decision is up to the car owner.

Pros and cons of converting gas fuel to the VAZ 2106

Gas fuel is an environmentally friendly and inexpensive type of fuel that is rapidly gaining popularity throughout the world. The world's leading car manufacturers provide for the conversion of vehicles to gas if necessary in their newest models. And this despite the fact that modern cars consume fuel more economically.

The increased interest in gas fuel in all countries is explained by its environmental friendliness. When converting a car to gas, it automatically falls under the required minimum European standard for environmental friendliness of exhaust gases. In addition, gas fuel helps to significantly save on fuel.

Gas filling stations are no longer uncommon today. There will be no problems with replenishing the gas tank with a propane-butane mixture.

So, for the classics of the domestic automobile industry, gas has the following advantages:

• exhaust gases from the VAZ 2106 will not contain heavy metals, carbon dioxide emissions will be reduced significantly;
• the life of the internal combustion engine will increase, it will operate more smoothly, oil consumption will decrease, and carbon deposits will not form on the working elements of the engine;
• The engine noise on the six will become quieter.

About the Avtogaz-Moscow service

For 14 years, we have installed HBO on almost all popular models. It is convenient to combine the installation of HBO with routine vehicle maintenance. Within 5 hours we will install gas on your 2106 and, if desired, replace air filters, spark plugs, high-voltage wires, etc.

LPG suppliers in Russia

We are suppliers of gas equipment in the Russian Federation. We work only with proven European manufacturers. We are confident in the quality of the equipment we offer.

We provide a guarantee for up to 5 years!

cars equipped in our service

We install gas equipment

kilometers average payback of equipment

guarantee for all gas installation work

Prices for gas equipment with installation

* – prices are indicated taking into account the cost of equipment and work.

You can order the installation of gas equipment in 0% installments or on credit, and start saving today.

We accept VISA, VISA Electron, MasterCard, Maestro, MIR bank cards for payment. Contactless payment system works

The car is handed over to the customer turnkey with all the necessary documents. Prices vary depending on the selected equipment, cylinder, engine power and customer wishes.

The following are discussed separately:

Installing a filling device in the gas tank hatch; Installation of EURO multivalve; Additional cylinder; Additional gearbox; Valve lubrication systems.

HBO button for injection engine

The button for switching the 2nd generation LPG to the injector has the index “W” and slightly modified wiring.

The LPG fuel type switch has 3 positions:

Setting up the 2nd generation HBO button for the injector

The functionality of the switch for an injection internal combustion engine includes:

For automatic operation of the car, you must correctly configure the LPG button, in particular, set the required number of revolutions at which the engine operating mode will change.

The adjustment occurs by rotating the potentiometer clockwise or counterclockwise, which is located directly on the device itself. The optimal speed is considered to be from 1500 to 2500.

Depending on the time of year and weather conditions, the number of revolutions can be changed:

The button is supplied with:

Frequently asked questions about installing gas on 2106

Our company selects and installs gas equipment for all types of both domestic and foreign cars. In principle, everything is limited only by the design features of a particular model, but our craftsmen carry out everything competently and accurately. The emphasis is on safety, so we use only certified and tested equipment.

At AvtoGaz, all work is carried out on a turnkey basis, and therefore the customer does not need to buy anything - all equipment is purchased centrally by our specialists, from trusted suppliers. Moreover, we not only install the equipment, but also configure it, so the car owner receives a completely finished and equipped car. We also provide a long-term quality guarantee for all work performed, so there is no doubt about the safety and durability of the equipment.

We have encountered such situations more than once and can assure you that we will definitely find a way out. Here we are mainly talking about the placement of the cylinder, which is quite voluminous. However, for such cases, we offer a special toroidal cylinder that can be installed in a niche intended for a spare wheel. There are absolutely no difficulties here, since such a cylinder does not use the space of the cabin and trunk, it is completely invisible to the eye, so feel free to come to us and we will install the LPG carefully and quickly.

Starting with the 2nd generation HBO, the design changes made to the car are minimal, and the safety of the car remains very high. Here, an electromagnetic-type valve is installed in the gap in the fuel line, which turns off the gasoline supply. All the equipment that we install is optional, and therefore can be removed and reinstalled on another car at any time. As for the effect on the internal combustion engine, nothing bad is observed here, since modern gas equipment systems have a gentle effect on the engine.

Reducing costs but fuel

Primarily to reduce fuel costs. At the current price per liter of gasoline (30 rubles - 35 rubles), gas equipment pays for itself in the shortest possible time, and the more voracious the car, the higher the payback rate. Calculation of the payback of gas equipment specifically for your car can be found in the table below, or calculated using our calculator.

Reliability on the road

The gas system is a backup fuel system, which makes the car more reliable. If one of the fuel systems fails, you can always use the working one and get to the repair site. It is also useful that using two tanks increases the driving range without refueling.

Environmental friendliness

Save nature. Gas fuel is much more environmentally friendly than gasoline. The toxicity of exhaust gases is reduced in the following order:

• carbon monoxide (CO) - 2-3 times;
• nitric oxide - 1.2 times;
• hydrocarbon (CH) - 1.3-1.9 times.

Justification for switching to gas

We will talk about the 1st and 2nd generations of gas equipment. The third and fourth are not considered, since they are intended for installation on injection engines. Or diesel engines with an electronic control system. Of course, you can install fourth-generation equipment on a carburetor, but you will need to do a lot of manipulations. First of all, the engine needs to be supplemented with a variety of sensors, which will subsequently be connected to the electronic control unit. You will learn how to install such systems on injection engines in a separate article.

If you look at it from an economic point of view, then on VAZ 2106 cars, LPG pays off in about 30 thousand km. mileage If you use the car constantly, then this distance will be covered in a year and a half. But you should not install the equipment on your car if the annual mileage is less than 20 thousand. This will turn out to be simply unreasonable; the installation will pay off in a few years. Let's say you often make long trips in your VAZ 2106 car. What will you get when working on gas fuel?

The most important thing is saving. The price of gasoline is rising, and so is the price of gas. But the cost rises almost equally. A liter of gas costs about half as much as gasoline. But you also need to look at consumption. If the carburetor is set up perfectly and you drive at a speed of no more than 120 km/h, then the gasoline consumption will be 7-9 liters in the combined cycle. With the correct settings of gas equipment, LPG consumption can reach 11-13 liters. Having made simple calculations, we can conclude that driving on gas will be much more profitable, even if the consumption is 13 liters. The price of all equipment is no more than 10 thousand rubles including installation.

But you get several more benefits from using LPG on VAZ 2106 and similar models. The service life of the engine oil becomes slightly longer, but longer. During operation, the gas burns without residue, no impurities settle in the cylinders. These impurities do not enter the lubrication system, which increases the oil life by 2 thousand km. mileage on average. Hence the longer service life of spark plugs - their electrodes become less clogged. Perhaps this will be enough to make your choice in favor of HBO.

Why is calibration required?

Debugging of gas equipment on cars is mandatory, since otherwise, if you don’t “tighten” the evaporator gearbox, it will be impossible to start the car. This is due to the fact that there is no electronic control unit (ECU) that would have the necessary firmware for a car of a certain make and model. In such equipment, the main task is to set the desired program and check the correctness of its operation. But such gas equipment is mostly installed on injection engines with complex injection technology.

If you do not perform such adjustments on gas equipment of the 1st and 2nd generations, then the incorrect concentration of the gas-air mixture composition may also be supplied to the engine. Because of this, excessive consumption of fuel is observed or the next portion of it burns out at the outlet. Gradually, due to incorrect engine operation, the valves burn out. It should be taken into account that it is impossible to obtain the same fuel consumption in gas and gasoline modes. The consumption of the first will always be 15-20% higher relative to the second, and deviations from this value indicate an incorrect composition of the gas-air mixture.

Adjusting the gas equipment of early generations is mandatory; without it, the engine may not start or the composition of the air-gas mixture will be incorrect. This adjustment is made after installing the equipment on the car, and then every season. It is not difficult to do, but at the last stage - when setting up the dispenser, it is recommended to take someone to help you, since you cannot use the suction.

Source

Generations of HBO: which one to install on the carburetor?

Ideal for VAZ 2106 cars with a carburetor injection system, gas equipment of the 1st or 2nd generation is suitable. Its price is not very high, there is no electronic control system, like on the 4th generation. There are not very many differences between the first and second generations. The carburetor is connected to the dispenser using a gas hose. There is a minor difference in the design of the dispenser itself. For example, the first generation uses manual dispenser adjustment. Its configuration is carried out immediately after installing the HBO. Subsequently, its position must be adjusted from time to time.

But the second generation LPG has an electric dispenser drive. It uses a specially designed stepper motor. But for this system to work, the following conditions must be met:

• the car must use an electronic carburetor;
• The exhaust system must have an oxygen sensor.

As you understand, VAZ 2106 cars do not use an electronic carburetor. Therefore, it would be more reasonable to use a conventional mechanical type dispenser; you will now learn how to install such a system. As a result, you get equipment not of the 2nd, but of the first generation.

But we can make a small reservation. If we assume that the first generation of HBO is the systems that were used half a century ago, then the second is equipment with mechanical dispensers. Therefore, the third generation is devices with electronic dispensers. The fourth generation is for working on injection engines. The fifth generation is practically a copy of the 4th, only a special pump is installed in the gas cylinder to eliminate the need to install a gearbox. The division of HBO into generations is very relative.

Connecting the 1st-2nd generation HBO button to the carburetor and injector

In the context of constantly rising prices for gasoline and diesel fuel, gas-cylinder equipment is becoming a real salvation for car owners who often use their cars.
The gas-cylinder equipment itself is quite reliable in operation and has a long service life, but it also has vulnerabilities that tend to break at the most inopportune moment.

One of these weak points is the HBO button - a device for switching the engine operating mode from gasoline to gas and/or vice versa.

As a result of intensive use, this important gas equipment control unit may begin to work incorrectly or even fail.

In this case, it is not necessary to contact a specialized technical center - you can replace the button yourself.

Set of gas equipment

Before you start installing equipment on a VAZ 2106 car, you need to check the completeness. You must have all the necessary elements and components. Let's take a closer look at all the components and figure out what they are intended for. So, here is a complete list of 2nd generation HBO elements:

1. Gas fuel cylinder. It stores gas that is used to power the engine. The most common shapes are toroidal and cylindrical. The latter takes up a lot of space in the luggage compartment and is usually mounted on the back of the rear seat. But the toroidal one in the VAZ 2106 will not save the situation. After all, this is not an eight or nine, there is no niche for a spare wheel. Therefore, from an ergonomic point of view, it does not matter which cylinder you put in your car.
2. A multivalve is necessary for the full functioning of any generation of gas equipment. With its help, gas equipment is switched between two modes - “operation” and “refueling”. This valve opens the way to the filler hole or to the fuel line going to the carburetor.
3. The refilling device is a gas hose designed to operate under high pressure. One end of the hose is connected to the filling fitting, and the other to a multivalve installed on the cylinder.
4. Line designed to operate under high pressure. It is used to connect the gas reducer to the multivalve.
5. The evaporator reducer serves to reduce fuel pressure. In installations operating on a propane-butane mixture, single-stage reducers are used, since the pressure in the cylinder and line is no more than 16 atm. For methane plants, two- and three-stage ones must be used, since the maximum pressure value can reach 200 Atm.
6. The gas valve opens and closes the fuel supply to the evaporator reducer.
7. The gasoline valve is necessary to open and close the gasoline supply to the carburetor. The operation of both valves is synchronous: the gas valve is open, the gasoline valve is closed and vice versa.
8. A mechanical or electronic type dispenser allows you to adjust the gas supply to the intake manifold. With its help, the amount of fuel that needs to be supplied to the combustion chamber is regulated.
9. The mixer is installed if there is no insertion into the carburetor. With its help, gas is supplied to the carburetor.
10. Fuel type switch. A button that is mounted in the interior of a VAZ 2106 car. It is used to open and close the gas and gasoline valves. Without it, gas equipment simply will not be able to work.

Connection diagram of the 2nd generation HBO button to the injector

Installing and connecting the 2nd generation HBO button with your own hands on a car with an injector sometimes causes difficulty.

In fact, everything is much simpler than it seems. The factory instructions for installing the switch indicate the following pinout:

It’s hard to disagree with the first three points. But for the rest we will make recommendations:

It is advisable to do 10-15 turns, without using electrical tape. The electrical tape dries out over time and falls off; it is better to make a knot similar to tying a fish hook.

If the ignition system consists of separate coils, it is necessary to wind the wire onto the first two armor wires (for a more accurate signal), without breaking the brown one, i.e. first to the first then to the second.

After connecting the button, it must be adjusted. Periodically increasing the engine speed with the accelerator, it is necessary to smoothly turn the potentiometer screw clockwise and back. It is necessary to ensure that the gas supply is turned on in the “automatic” mode when the tachometer reading is 2000-2500 rpm.

How is HBO connected?

So, now we need to consider how to install a 2nd generation LPG on a VAZ 2106. Let’s get into the engine compartment. A gas reducer and valve are installed there. The gearbox input is connected to the valve output. The end of the high pressure fuel line is connected to the valve inlet. All lines that operate under high pressure are made of copper. Low-pressure lines use rubber hoses through which gas passes.

A pipe from the cooling system is also connected to the evaporator reducer. On a VAZ 2106 car, the gearbox can be installed on the right side, not far from the stove. You will only benefit, since the exhaust manifold is located nearby, which means that the temperature in this part is high, which will help the gearbox warm up faster. The connection to the cooling system can be made as follows:

1. Disconnect the pipe going to the heater radiator.
2. Install a pipe from the pump to the gearbox housing. It is used to supply hot antifreeze.
3. A second pipe is installed from the gearbox to the stove tap.

Consequently, the device is heated through the stove circuit.

After the gearbox, the regulator is installed and then gas must be supplied from it to the carburetor. Gas fuel can be supplied to the carburetor in two ways:

1. Using a mixing spacer.
2. Using a tap into the carburetor.

To feed using the latter method, it is necessary to drill holes in the carburetor chambers. Cut threads into them and screw in special fittings. Gas pipes are connected to the latter.

Installation of 1st generation HBO: how to do it?

It is necessary to install first generation gas equipment on a car in the following sequence:

• Install the cylinder;
• Install gas pipeline wiring;
• Install the mixer and valve;
• Install the dispenser and reducer;
• Install the control panel.

The cylinder that is being installed must be securely fastened so that it does not dangle later while driving. This is best done with bolts and a metal stand. After the cylinder is installed, it is important to determine the location of the filling valve. Most motorists prefer to do this at the bottom of the rear bumper. Next, you need to deal with the gas pipeline wiring, for which you need to drill a hole from the cylinder valve to the engine compartment. In this case, it is better to run the gas pipeline itself directly along the bottom of the vehicle. In addition, you need to drill another hole with a larger diameter and insert a piece of plastic pipe into it. This must be done so that the system has ventilation of the multivalve. The inserted tubes should then be treated with mastic to prevent rust. The gas pipeline should then be drawn through these same plastic tubes and secured well.

More information about installing LPG on a car will be discussed in this video:

Published: October 17, 2018

What to consider?

Yes, there are many nuances that you should definitely follow when installing an LPG on a VAZ 2106 car. The article contains a video that talks in more detail about all the subtleties. However, this section will be relevant for any make and model of car, as it describes the intricacies of installing gas equipment. Let's start from the very beginning - with the balloon. It must be placed in such a way that the axis of the multivalve is located at an angle to the horizontal plane.

Moreover, the angle should be exactly 30 degrees. Not a degree more or less. If installed at a different angle, the FLS will show “weather” and the fuel intake from the tank will be unstable. Therefore, when installation is carried out, you need to pay attention to all, even the most insignificant, points, otherwise the cost of incorrect installation will be incredibly high.

The refueling fitting on a VAZ 2106 car is best secured in the rear, right under the bumper. The line is laid along the bottom of the car. All this work should be carried out in an inspection hole, since it is almost impossible to install tubes without it. Laying them with your own hands is quite simple. The main thing is to install the line next to the gasoline line. You can even attach it to the gasoline pipe using plastic ties.

There are no special requirements for the fuel selection button. The most important condition is that it is convenient to turn it on. To install the gasoline valve, you need to cut the fuel hose between the pump and the carburetor. But the gas one must be installed in the engine compartment on the right side. Pay attention to the installation of the evaporator reducer. It is not difficult to install it with your own hands, but you must adhere to some requirements:

1. Its location should be lower than the uppermost pipe going to the stove.
2. Its location should be longitudinal, this will avoid problems with the diaphragm during sudden acceleration or braking.

The installation of the mixer also has some features. It is installed in the carburetor, located between two halves - the throttle body and the carburetor itself. Of course, the height increases, so you need to purchase the required number of bolts. Their length should be three turns longer than the standard ones.

How to adjust the gearbox yourself?

That's all, we figured out a little about how to install gas equipment on a car with a carburetor injection system with your own hands. Now let’s set it up correctly so that the consumption is lower and the throttle response remains the same as on gasoline. To do this, you need to use the following guide. First of all, you adjust the ignition; you need to set it a little earlier - turn the distributor body two notches (this corresponds to 10 degrees).

To make fine tuning, it is best to use electronic octane correctors. But for their normal functioning, a BSZ will be required. The reason for adjusting the ignition is that gas fuel has an octane rating of over 100. And if the adjustment is not made, the exhaust valves will burn out, and the cost of repairing them will be very significant.

You adjust the enrichment of the fuel mixture; the screw is located on the evaporator reducer. Make sure that the number of crankshaft revolutions is in the range of 800..900. Now it is necessary to adjust the gas fuel supply. To do this, you will need to screw the bolt on the valve until it stops. Then unscrew it two turns. This should be done with the engine turned off; after unscrewing the valve two turns, you can start it. Listen to how the engine works. If you sharply and briefly press the accelerator pedal, the revolutions should instantly reach 3000.

In this case, no delays should be observed. If the motor begins to “choke”, it is necessary to rotate the screw counterclockwise until this symptom disappears. You can do the entire setup yourself in just a few minutes, since only three screws can be adjusted. Screw in the second screw until it stops and turn it one turn counterclockwise. Start the engine and sharply depress the accelerator pedal.

Up to 6500 rpm, the crankshaft should spin up instantly. Please note that the second camera on a VAZ 2106 car should not open in the same way as the first. If it opens too much, the power will increase, but the consumption will increase significantly. And you won't feel any savings. Finally, the normal rotation speed is set by adjusting the XX screw.

What's the result?

As you can see, adjusting gas equipment on a carburetor engine is not a complicated procedure (with the exception of adjusting the pressure in the 2nd generation two-section LPG dispenser). Note that a properly carried out procedure allows you to achieve stable operation of the engine in all modes, the engine responds well to the accelerator pedal, there is no loss of power, etc. Gas consumption also remains within the normal range for a particular carburetor internal combustion engine.

We also recommend reading the article about whether it is possible to install LPG on a car with a turbine. From this article you will learn about the features of installing gas equipment on a turbocharged engine, as well as the features and nuances of such installation on a turbocharged internal combustion engine.

We add that to check the quality of all adjustments and final adjustments, you should sharply press the gas pedal, after which the sensitivity screw is gradually tightened by ¼ of a full turn in one step. This must be done until a “failure” appears when the speed increases.

After the position of the screw at which the dip appears has been found, you need to loosen the specified screw half a turn. You can detect changes in speed by hearing by analyzing changes in engine operation. Also, the dispenser settings must be repeated if necessary.

Finally, we note that when installing gas equipment on any engine, you should not chase maximum gas savings, ignoring “sluggish” and slow reactions to the accelerator, a noticeable loss of engine power, etc. It is also not recommended to set the minimum possible speed XX, etc., at which the engine does not stall yet, but the stability of its operation is in doubt.

The fact is that with a minimum gas supply, the power unit will operate on a lean mixture. In this case, you will not be able to save significantly on fuel, but the damage to the engine can be very large. Working on an over-lean mixture leads to overheating, detonation, burnout of valves, cracks in the block and cylinder head and other serious consequences.

Installation of HBO on 2106: multivalve

In the article you will learn about how to install gas equipment on a VAZ 2106, what are the requirements for this process. I also recommend reading about installing an LPG on a 4th generation car.

It should be noted that this guide is intended for informational purposes only; only the main points are described without a deep dive into the topic. If you are faced with the installation of gas equipment for the first time, then it is best to study in more detail the technical literature, as well as the recommendations of the gas equipment manufacturer.

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