Many people think that reducing gas consumption and avoiding unnecessary consumption of it are one and the same. This is the wrong comparison. Therefore, those who solve the problem of how to reduce fuel consumption on a VAZ (2105, 2106, 2107, 2109) need to understand all the subtleties.
Firstly, do not trust yard masters who are trying to reduce fuel consumption by installing various gaskets and modifiers. Some of them suggest installing a jet with a smaller hole diameter in the carburetor. Remember one important thought - if the car is well debugged, then no additions in terms of reducing fuel consumption will have an effect. Even a new jet installed can reduce consumption by 3-4%, so is it worth it to start all this.
Each master has his own ways to reduce fuel consumption, as well as his own recommendations. By combining them into one list, you can get a kind of instruction that will help solve the problem of reducing consumption.
- You have to constantly check air filter. It is through it that air enters the carburetor for enrichment. fuel mixture air. The less air, the more fuel consumption. Checking the filter is not difficult - look at it in the sun or a light bulb. If the light does not pass, then it is better to replace it with a new one.
- It is best to fill the engine with light oils based on synthetics or semi-synthetics. They have a lower viscosity, and this is 6% fuel economy.
- Never drive on flat tires. It is this condition of the wheels that increases the rolling resistance, and this is a guarantee of overspending. First, you need to pump air into the tires on cold wheels. Secondly, it is better to increase the pressure inside them by 0.3 bar. This, of course, will affect the suspension (the load will increase), but the passengers will not notice this, the ride will be almost the same.
- When driving in the city, especially in traffic jams, keep the same speed. By the way, try to ride for several days at a speed of no more than 90 km / h. You will immediately feel that you have become almost twice as less likely to stop by at the gas station.
- Do not suddenly start moving the car. The gas pedal must be pressed carefully. A quick start is big overrun. The point is that when abrupt start a large number of gasoline is immediately supplied to the engine. Firstly, this is already a big one-time expense. Secondly, it has a bad effect on the engine itself.
- You should also not brake sharply, especially when it comes to carburetor machines such as VAZ. In this case, the fuel begins to be sucked into large quantities through the idle jets.
- For those who do not know - the air conditioner is a device that runs on the motor shaft. Its inclusion increases the load, and therefore increases the consumption of gasoline. This figure varies from 5% to 20%. So turn it on less frequently.
- Everything that will interfere with the movement of the car and create air resistance must be removed. This may include upper trunk, tuning bells and whistles and more. This also includes the width of the wheels. It is better to leave the standard narrow ones. This will be especially felt on long trips.
- Be sure to check the ignition system. From its malfunctions, consumption can increase up to 30%. Such malfunctions include bad wiring or dirty candles.
- Do not litter the machine, do not overload it. Empty the trunk of unnecessary things.
- You should not drive at high speeds, especially in the city, where you have to stop at traffic lights and intersections all the time.
The article describes the technology for setting up vehicle systems to save fuel
When the financial and economic crisis rages on the street, almost every car owner thinks about how to save a couple of liters of expensive gasoline. And if the owners of new cars are somewhat limited in their ability to reduce the fuel consumption of their iron horses, then owners of older used cars can successfully tune the car's systems to meet the requirements of lower gas mileage. Since the carburetor in this chain is the main link, it would be logical to write about its adjustment, but so much has already been said and written about this that it will not be difficult for anyone who wishes to find necessary material. Therefore, we will consider the features of tuning other car systems (as it turned out, no less important in terms of fuel economy).
Let's do this using the example of the legendary VAZ-2101, because it is one of the most popular "old women" on our roads.
So let's start with the ignition system. For your information, its settings play very important role in the fuel consumption of the car. So, if the spark is untimely or low-power, then the motor power decreases. Naturally, after this, the consumption of gasoline increases. To correct the situation, they begin by cleaning the contacts of the breaker and adjusting the gaps between them. For these purposes, a car tester is perfect. In the standard version, on the "penny" is installed contact system ignition. In it, the bearing plate of the interrupter often develops its life. As a result, the contacts close and open in the wrong way and the motor often "fails". Therefore, in such cases, naturally the bearing and the contact group change. The next step is to check the spark plugs. It is necessary to clean them, then check the gaps between the electrodes. The latter can be set at 0.7 mm.
The ignition advance angle is set in accordance with the marks. Then they carry out tests on the go: on flat road at a speed of about 50 km / h, sharply, "to the floor" press the gas pedal. If the lead angle is correct, you should hear small and short detonation sounds. If the detonation is strong, the switch must be turned to the “minus” side by one division, thereby making the ignition late. If there is no detonation at all, the breaker is turned one division to the "plus", making more early ignition. As a result of work on the ignition system, gasoline consumption should decrease by approximately 0.5 liters.
Cause increased consumption gasoline may also be a malfunction or incorrect adjustment of the wheel bearings. Tire pressure and front wheel alignment also affect this. These factors reduce engine power, because it is not spent on accelerating the car, but on overcoming the rolling resistance of the wheels.
Partially help in assessing the degree of influence of these factors can be the length of the section of the path that the car coasts from a certain speed to a stop. When installing the bearings on the machine, do not overtighten them, this will provoke them rapid wear. Tire pressure also affects fuel consumption. But this, as a rule, is almost never taken into account. Especially going to long way, you should check the tire pressure. By the way, if you plan to drive on a good road surface, you can increase it by about 0.2. As a result, by correcting the malfunctions and correctly adjusting the chassis of the car, you can save another 0.5 liters of gasoline per 100 km. way.
The next step will be the gas distribution mechanism. It also plays an important role in economy. power unit. So, if the valves do not open in right moment or not at the desired height, the engine loses power. As a result, in order to accelerate the car, it is necessary to put more pressure on the accelerator, thereby increasing gas mileage. Therefore, it is necessary to clearly regulate thermal gaps valves, as well as the degree of chain tension.
The cooling system, or rather its fan, can also indirectly affect fuel consumption. As you know, the “penny” does not have an electric drive and, as a result, it works all the time, both in summer and in winter. Therefore, in winter, you can try to dismantle the fan. Note that in this case be sure to additionally install two additional nuts on the bolts of its fastening to prevent them from touching the water pump housing. If it gets warmer on the street, then in case of danger of overheating of the motor, we advise you to turn on the “stove” on maximum speed and the engine cools down a bit. However, this method must be used with extreme caution.
So, as a result of the actions taken, it is possible to reduce the fuel consumption of your car by an average of 1-1.5 l / 100 km. And this, you see, is not bad, taking into account the minimum financial investment!
For those who think only about power and speed, I do not recommend reading !!!
First of all, we need a clean and properly tuned carburetor (preferably from a VAZ-2105) complete with an air cleaner. “Clogged with dust, and even worse, an oily air cleaner is the same as a closed damper: the vacuum in the carburetor diffusers is much greater than is necessary for normal operation, so the outflow of gasoline from the jets increases dramatically. The air supply is reduced.
The composition of the mixture is determined by the speed of the air flow through the diffuser, and, accordingly, its quantity. The pressure in the float chamber is the same as in the pre-diffuser part of the mixing chambers. Therefore, the fuel supply is practically independent of the condition of the filter.
Now about the deterioration in efficiency in this scenario: With an increase in intake resistance, the filling of the cylinders worsens → power drops → the driver “tramples the slipper” more actively and the accelerator pump conscientiously expels valuable fuel.
Therefore, for our goal of saving fuel, which is especially important in winter, there is an option to put a home-made gasket with narrower holes leading to the dampers, and their stroke can also be limited.
Has its pros and cons
This is only for those who only think about saving!!!
Economy works only at speeds up to 70 km/h!!!
At the same time, you need to drive in 4th gear, maintaining a speed of about 50 to 70 km / h, with short gas shifts.
True, the economy includes idling!
At an increased speed, acceleration above 120 is generally no longer possible, and above 100 fuel is consumed higher than expected!
And lastly, once a week you need to check the condition of the crankcase air vent tube.
When installing this gasket and constantly and for a long time driving over 100-110 km / h, an oxide mixture of oil and water may appear in the tube ( orange color), that in the event of smoke from it, it threatens to overhaul the engine !!!
The last main thing - subject to all of the above, with an engine capacity of 1200 to 1500, it is realistic to achieve a reduction in fuel consumption to 4-6 liters per 100 km.
In fact, the installation of such a gasket will not save fuel. You will not achieve maximum speed (and speed) with such a gasket. Even for normal driving, you will have to put more pressure on the gas. by and large, it doesn't matter if we put a gasket with reduced holes or use a carburetor with smaller diameters of the mixing chambers. After all, for a specific speed and a specific engine required amount fuel does not change (for a specific dynamics). Therefore, about real savings out of the question. For real savings, it is necessary to optimize the combustion process. This is a very difficult task. scientific centers have been struggling with this task since the advent of the first heat engine. And all sorts of “brilliant” and “magic” devices lying on the surface have long been tested and discarded by researchers. And the attempts of Russian single handicraftsmen to surpass scientists are at least naive. once it is necessary to slightly enrich the mixture. After all, its volatility is worse and, accordingly, the quality of the mixture is poorer for combustion.
Why is all this necessary? the choking gasket performs essentially the same function as the dampers in the carburetor, you just don’t have to push hard so that the second chamber does not open, and that’s all, you can put a switch on the draft and on the light in the passenger compartment so that it lights up when the second chamber opens. But when you really need all the power and agility in what thread emergency here your stuffiness will come to you sideways. Correctly tuned carburetor and ignition (and even better progressive digital) quality oil in the units, collapses, wheel pressure, full engine serviceability is the key to low fuel consumption, and of course the driving style is special.
According to the site www.vaz2101.ru
Many years of experience of hundreds of thousands and millions of motorists shows that Russia is a special country. If the price of oil falls in the world, then the price of gasoline also falls. In the world, but not in Russia. In our country, any change in oil prices leads to an increase in the price of gasoline in the domestic market. Besides, in last years an ordinary car owner is forced to put up with “traffic jams”, in which fuel is wasted uselessly and the material part wears out.
Therefore, the question of fuel economy is far from being idle.
It has been calculated that, depending on the way of driving, different drivers in the same car while driving along the same route can vary in fuel consumption by up to a quarter of the volume, that is, up to 25%.
For example, a trip to the Altai Mountains from Novosibirsk to the Chuya steppe and back (2000 km) under such conditions will bring savings of about 1200 - 1300 rubles, which is absolutely not bad.
An interesting infographic on this topic was presented by the Argumenty i Fakty newspaper.
And now let's look briefly at the well-known (and not so) ways to save fuel that a driver can adopt. Let's arrange them in order of decreasing efficiency and "verification by people's experience."
1. Install LPG equipment, use gas
Rationale: A radical tip that halves fuel costs.
Flaws: the downside is that gas stations are not located as often as petrol ones, and also that there is less space in the trunk.
2. Careful and "thoughtful" attitude to the "gas" pedal
Rationale: everyone can use this method, the smaller the machine, the more often. Fuel supply feature high speeds is that the air resistance increases sharply, and, hence, the flow rate. "Gazling" and acceleration from 70 to 90 km / h spends at times less fuel than from 120 to 140 km / h. Max Power The engine is just eating fuel. Therefore, the most economical speed zone is from 60 to 90 km/h.
Flaws: advice is trouble-free, universal and has no "cons"
3. Know how to use the gearbox
Rationale: remember a simple formula: start from a standstill in 1st gear, 2nd gear for acceleration, 3rd gear for afterburner and overtaking, move around the city in 4th gear, and you can switch to the highway in 5th gear. The advice is also universal, but only suitable for "mechanics".
Flaws: negative moment is a long drive in 5th gear, because in accordance with the first rule, fuel consumption in it is the highest.
4. Watch your engine RPM
Rationale: do not allow the tachometer to “dance” when shifting gears more than 2 thousand revolutions, and shift gears early, do not “overtake” before shifting up to 3-4 thousand revolutions.
Flaws: the advice is universal, but the acceleration dynamics is reduced, which is not always acceptable at overloaded traffic lights. In addition, for early switching to top gears You need at least a 16 valve engine.
5. Try to never stop the car completely
Rationale: try to "roll" to the traffic light in order to apply gas at the green signal when the car has not yet completely stopped. Remember that on the move stationary car consumes the most fuel from the entire cycle.
Flaws: the disadvantage of this method is that it is not always possible to accurately calculate the initial speed and the correct trajectory, especially if other road users “wedged” into your calculation.
6. Check tire pressure regularly
Rationale: The lower the pressure, the higher the fuel consumption. At low pressure, the contact area with the road is larger and the rolling friction is stronger. If you drive on wheels pumped up to 1 atmosphere instead of 2, then you lose an extra 2-3 liters per tank. The advice is good for imported rubber, as it holds pressure well, and our domestic Kama needs to be checked weekly.
In the case of strong pumping, fuel consumption is significantly lower, but all the bumps become noticeable, and it becomes uncomfortable to drive. And in the event that the pressure has reached 3 atmospheres, then the area of \u200b\u200bcontact with the earth is so small that braking distances increases quite sharply, which is dangerous. It is all the more dangerous to pump wheels into winter time when a large area of adhesion of the tire to the roadway is especially important.
The acceptable pressure range is 2.2 - 2.4 atm.
In addition, you need to regularly monitor the condition of the treads in the tires. Heavily worn tires increase fuel consumption, including due to lateral deviation from a straight line.
Flaws: none
7. Car insulation
Rationale: V winter period operation will be ideal warm garage so that fuel is not wasted on warming up the engine. Use special pre-heaters, thermal blankets, insulation engine compartment from winter air. Try to set the alarm to "night autostart" as little as possible.
Flaws: Needs a lot of investment nice garage rarely found near home.
Rationale: check the spark plug gap in time, which should be about 1 mm, and also change the spark plugs after a certain car mileage. So, many candles after a run of 50-60 thousand km need to be replaced. The obvious "plus" would be a good appearance candles, since it is difficult to notice tangible savings on this rule alone. Not everyone is able to "throw away" an outwardly normally working candle, especially the entire set. Many wait until the candles become unusable. "Human factor".
Flaws: small additional expense money
9. Race for the leader, or know how to use "pockets of reduced pressure"
Rationale: Very good way when driving behind large objects: buses, tractors in the zone of discharged pressure - no further than 4 - 5 meters from the "leader". The method is good for leisurely driving with constant speed in the general flow, as it allows you to save fuel very decently - from 20 to 40%.
Flaws: the method is quite dangerous due to non-observance of the distance, suitable experienced drivers on separate sections of suburban traffic.
10. Do not overload the car's on-board network
Rationale: remember that only the obligatory "dipped" light for every 1000 km of the road "eats" more than a liter of gasoline. Therefore, try to save on winter trips to dark time days. stove, heating rear window, engine cooling fan - everything adds fuel consumption. For example, when standing close to traffic jams, the dipped beam can be turned off and on while driving.
A rare button turns on in vain. It is much more important to turn it off in time. Carried away, they forget to turn off the rear window heating.
Flaws: do not get carried away with this advice in the cold, it is fraught with a decrease in visibility and the creation of an emergency.
11. Change the air filter in time
Rationale: the advice is simple and effective, has no "cons". Just remember that a sufficiently old and dirty air filter can increase fuel consumption by up to 10%. The more loaded the car, the more it expressed the need to obtain a high-quality mixture. Therefore, every 20-25 thousand km, change the "air" in a timely manner.
Flaws: none. Is it just an additional expense of 200 rubles during the year and an extra 5 minutes of wasted time
12. If you are confident in the road and weather conditions, use the “roll” when descending
Rationale: When driving downhill the car uses only idle speed, fuel economy is quite noticeable.
Flaws: the danger lies in the fact that there is no stabilizing drive, especially during hard braking on neutral gear. But when ahead good road, minimum movement, and always dry pavement, you can use this method.
13. Avoid driving on wet roads
Rationale: advice does not need comments. The water under the car is very resistant to movement, and driving through puddles significantly reduces the speed of movement. The same applies to driving in strong windy weather.
Flaws: advice "contraindications" has no
14. Do not abuse the lowering of windows in windows
Rationale: V open window an air turbulence zone is created, which can slow down a little, increasing gas mileage by 1-2%.
Maybe it's a little, but with the wind on high speed other troubles may appear: exacerbation of cervical osteochondrosis (if it blows) or a cigarette can “blow out” on backseat with the risk of fire.
Flaws: in conditions summer heat on the VAZ 2107, this advice cannot be applied due to the lack of an air conditioner in the cabin.
15. "Cut" a non-cool turn
Rationale: if it allows traffic situation, prepare for the turn in advance and drive it in a straight line like a race car driver, as a straight line is the shortest distance between two points. The advantage of the advice is that for every 1000 km of a long road, 20 km can be saved by maneuvering in this way.
Flaws: the minus is that it should allow movement, and this method should be brought to automaticity, since preparation is needed for the car to hit the right point before starting the turn, which will allow you to move in a straight line.
16. Lower your idle
Rationale: when decreasing idling from 900 to 600, fuel consumption is significantly reduced in the urban traffic cycle in traffic jams when the car for a long time running "idle"
Flaws: the minus is that at low speeds with the addition of a load, a drop in power is possible, and you need to use "suction".
17. Don't waste your roof rack
Rationale: in the event that you have a roof rack constantly, then fuel consumption increases by 10-15%, the same can be said about excess cargo in the trunk. If you carry two jacks, two sets of keys, and a constantly spare canister with 20 liters of gasoline, a spare generator, an ignition coil, etc., then fuel consumption will increase by 20%.
Flaws: once again you will have to install and dismantle the trunk. You need to find a place to store it.
18. Choose the right engine oil
Rationale: If a lower viscosity oil is used, fuel consumption is reduced as resistance is reduced. The viscosity of the oil depends on temperature, in addition, it is the loss of viscosity that leads to the fact that the engine can “seize”
Flaws: none
Common "myths" about fuel economy
The tips above are simple and straightforward. Some are related to driving style, some require vehicle control, some are timely replacement details. But all of them are about the fact that the driver in the process of movement needs to do something and “turn on his head”. But there is a whole category of “magic” tips that all work in the same way. Here she is:
- The driver doesn't have to do anything. Fuel economy occurs "by itself";
- There is a super-secret technology (military, foreign, NASA, local craftsmen, unrecognized geniuses, a forgotten patent - there are many options);
- Based on it, a completely unique device was created that is mounted on a car (in the power supply system, exhaust gases, anywhere);
- The device costs tangible money, and tangible savings are revealed after a few weeks (months). Moreover, the savings are incomparable with all the above tips - they are simply not needed;
- A large number of seals, certificates, a completely incomprehensible explanation of the principle of operation, but inspiring respect due to the collaborative use of a mass of scientific terms;
- A huge number of grateful reviews on the site, and without a return address and mail.
- A widely used option is various secret fuel additives, " metal conditioners, And so on.
There are "specialists" who install in the trunk pyramids, which "torsion fields" reduce gasoline consumption.
