Cylinder heads of VAZ engines


How many kg of aluminum are in the VAZ 2106 engine?

How we are working

VAZ modelCar weightBlockage
2105955 kg30%
21061045 kg30%
21071060 kg30%
2109945 kg30%

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In what models was the VAZ used?

Improved engine characteristics made it possible to equip them with VAZ cars of the following models:

  • 2103 Lada sedan;
  • 21054 Zhiguli sedan (only for the FSB, the Ministry of Internal Affairs and the State Traffic Safety Inspectorate);
  • 2106 Lada sedan;
  • 21074 Lada sedan;
  • 2121 Niva carries a 5-door station wagon or a 3-door hatchback.

Due to the following difficulties in the production of some parts, the 2106 engine was considered economically unprofitable by management and was discontinued.

What engines can be installed on the VAZ 2106?

The best solution is to leave the one you have. However, some craftsmen install other units. You need to remember that the hood of this car is small in size. Therefore, VAZ 2106 engines with a cylinder diameter of 79 ml will feel most comfortable. You cannot install units that are too powerful, since neither the brake system, nor the axle, nor the suspension will be able to service them. It is recommended to install the following models:

  • from Fiat 124
  • from BMW 536, BMW 326, BMW 746
  • model Lancia Thema (834)
  • Alfa Romeo model (06476)
  • Fiat Croma model (154)

In any case, it will be necessary to make some modifications related to the design features of each model.

In this section we collect accumulated information on the parameters of serial and tuning parts - weight, volume, and other quantities. For parts, the manufacturer (optional) and other parameters are indicated. The weight of parts is measured with an accuracy of 1 gram. This information should be used for reference purposes only. We warn you that due to imperfect technological processes at factories, the weight and other parameters of parts in different batches may differ. For Oka, we remember about the unification with the 08 family (1111 = 2108, 11113 = 21083).

_______ Weight of parts (in grams)

Pistons, fingers
Piston 2110 (1st repair, d = 82.4 mm, group A), VAZ 357
Piston 21083 (nominal, d = 82.0 mm, group A), VAZ 335
Piston 2108 (nominal, d = 76.0 mm, group B), VAZ 286
Piston pin 21083, VAZ 103
Piston rings
82.00 “SM” 1 compression ring 8
82.00 “SM” 2 compression ring 11
82.00 “SM” oil scraper ring set (2 discs + spring) 8
Connecting rods
Connecting rod 2108, VAZ 671
Connecting rod 2110, VAZ (for floating pin) 680
Valves 37x31
21083 standard intake 37x8x104 mm “SZK” \ \ lightweight “T-shaped” \ lightweight “tulip” 80 \ 57 \ 55
21083 issue standard 31x8x104 mm "VAZ" \ \ lightweight "T-shaped" \ lightweight "tulip" 72 \ 52 \ 50
2101 “classic” standard intake 37x8x112.5 mm “SZK” \ \ lightweight “tulip” 81 \ 57
2101 “classic” standard edition 31.5x8x113.5 mm “SZK” \ \ lightweight “tulip” 71 \ 54
Valves 39x34
“STK Sport” intake 39x8x104 mm \ lightweight at the end \ \ enlarged tulip 67 \ 65 \ 60
“STK Sport” edition 39x8x104 mm \ lightweight at the end \ \ enlarged tulip 67 \ 61 \ 57
Valves 42x35
BMW intake 42x8x104 mm \ lightweight 85 \ 58
BMW edition 35x8x104 mm \ lightweight 79 \ 52
Valves 40x35 stem 7 mm
BMW intake 40x7x103 mm \ lightweight 69 \ 52
BMW edition 34x7x103 mm \ lightweight 60 \ 46
Valves 41x35 (rework 41x38) stem 7 mm, VAZ “Classic”
(import) intake 41x7 mm \ lightweight 91 \ coming soon
(import) release 38x7 mm \ 35x7 lightweight 87 \ coming soon
Valves UZAM 1.7 40x34 stem 8 mm
UZAM intake 40x8x117 mm \ lightweight 82 \ 65
UZAM release 34x8x112 mm \ lightweight 69 \ 61
Valves 2112 standard stem 7 mm
2112 intake \ lightweight\ 39
2112 issue \ lightweight\ 37
Timing: Other
2108 Upper spring plate (modified by OKB along the cone) 16
2108 Upper spring plate (modified along the planes) 14
2108 Upper spring plate made of duralumin (made in Togliatti) 9
2101 Upper spring plate (modified along the planes) 20
2108 Valve pusher standard 47
2108 Adjusting washer 4.00 mm 24
Adjustment post for solid pusher 5.55x8 mm 2
2108 Solid valve pusher (Moscow) 50
_______ Duralumin spring plates compared with standard ones, grams
Serial spring plate 2108, Oka (material - steel) 16
Duralumin spring plate 2108, Oka 6
Serial spring plate VAZ "Classic" (material - steel) 21
Duralumin spring plate VAZ "Classic" 9
Serial spring plate UZAM (material - steel) 25
Duralumin spring plate UZAM 10
Serial spring plate ZMZ 402 (material - steel) 32
Duralumin spring plate ZMZ 402 14
Serial spring plate BMW M10 (material - steel) 16
Duralumin spring plate BMW M10 8
_______ Volumes of samples (combustion chamber parts) in detail (cm3)
Piston 2110 (1st repair, d = 82.4 mm, group A), VAZ 12
Piston 21083 (nominal, d = 82.0 mm, group A), VAZ 12
Piston 2108 (nominal, d = 76.0 mm, group B), VAZ 6
Combustion chamber in the cylinder head 2109i (standard - defective? SZh 10.4) 22
Combustion chamber in the cylinder head 2101 - VAZ classic 31
_______ Internal diameters of cylinder head seats and valve sizes (mm)
Cylinder head 1111 (650 cc) intake seat \ after boring 30 \ 31
Cylinder head 1111 (650 cc) exhaust seat \ after boring 27,5 \ 29
Cylinder head 11113 (750 cc) intake seat \ after boring
Cylinder head 11113 (750 cc) exhaust seat \ after boring
Cylinder head 2101 (classic) intake seat \ after boring 31,5 \ 31
Cylinder head 2101 (classic) exhaust seat \ after boring 27 \ 31
Cylinder head 1111 (650 cc) standard valve plate size 35x31
Cylinder head 11113 (750 cc) standard valve plate size 37x31
Cylinder head 2101 (classic) standard size of valve plates 37x31
_______ Diameters of the channels in the cylinder head at the inlet from the manifold side (mm)
Cylinder head 1111 (650 cc) intake port \ after boring 27,5 \ 31
Cylinder head 1111 (650 cc) exhaust port \ after boring 27 \ 31
Cylinder head 2101 (classic) intake port \ after boring 29,5 \
Cylinder head 2101 (classic) exhaust channel \ after boring 26,5 \

Section created: January 22, 2007 Last updated: July 7, 2010 Author of the article, photo-video materials: © Quasar Prohibited without the written permission of the author: reprint of the article in whole or in part, reprint and use of photo-video materials, as well as their modification and editing for further publication on third-party sites.

Engine tuning

Since the engine has no modifications, the main tuning is to improve the existing characteristics. Basic operations:

  • installation of a 16-valve cylinder head - allows you to increase power by 17 - 21%;
  • modernization of the crankshaft - lightening the connecting rods, crankshaft and pistons, grinding the manifold;

With a minimum budget, tuning usually consists of upgrading the carburetor:

  • primary chamber - disassembling the spring to increase the sensitivity of the unit;
  • secondary chamber - the vacuum design is converted into a mechanical one using a piece of wire.

It is important not to forget which oil the manufacturer recommends and the timing for replacing consumables.

Therefore, the 2106 engine is one of the “millionaires” in terms of maintainability of cylinders and piston assembly, crankshaft, interchangeability of crankshafts and camshafts of the VAZ engine family.

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1) adjust the ignition, check the oil level, replace the liners, tighten the flywheel bolts
Low oil pressure when engine is hot1) wear of oil pump gears
1) unit repair
Increased fat intake1) leaking gaskets
1) replacement of consumables
Increased gasoline consumption1) the damper opening angle has been reduced
1) damper adjustment
Reduced throttle response and reduced power1) pump failure
1) pump repair

Typical faults and features

If you know the features of the motor used in your personal car, you can significantly extend its service life and maintain good performance. Therefore, we will consider the most typical aspects that relate to this unit.

Warming up . In winter, the engine needs to be warmed up. You need to wait at least five minutes until the speed increases to 1500 rpm. Once the idle starts to hold up well, you can hit the road.

Oil . As for oil, problems often arise due to excessive savings. Owners of the “six” often buy low-quality oil or do not replace it in a timely manner. This leads to the fact that after a mileage of 60 thousand kilometers, the cylinders may increase in diameter. Also, sometimes situations arise that the engine begins to consume too much oil - more than 1 liter for every thousand kilometers. This indicates that it is time to measure the compression. This will let you know if there is a problem with the rings or valves.

Technical features

Characteristics of the VAZ 2106 engine:

  • The cylinder block is made of cast iron
  • Can work with both carburetor and inverter type power systems
  • The engine cylinders are in-line
  • There are 4 cylinders in total
  • There are 2 valves on the cylinder
  • The distance from the lower to the upper position of the piston is 80 millimeters
  • Each cylinder has a diameter of 79 millimeters
  • The compression ratio of the unit is 8.5 atmospheres
  • The power of the VAZ 2106 engine is 75 horsepower
  • Engine displacement – ​​1,569
  • You can use AI92 gasoline
  • For every 100 kilometers on the highway, consumption averages 7.4 liters, and in the city - 10 liters
  • For every 1000 kilometers, 700 grams of oil are consumed
  • The following types of oil can be used: 5w-30, 5w-40, 10w-40, 15w-40
  • When changing oil you need to use 3.5 liters
  • According to factory data, the unit can travel up to 125,000 kilometers. In fact, it works up to 200,000 kilometers
  • Installed on both VAZ 2106 and VAZ 21074, as well as VAZ 2121, VAZ 21053, VAZ 2103.
  • Candles should be used of the following type: A17DVR, A17DV-10, FE65CPR
  • The weight of the VAZ 2106 engine is 121 kilograms

Maintenance Procedure

The classic internal combustion engine device allows you to perform simple actions when servicing the engine:

Valve seatwidth 2 mm, angle 45°
Camshaftupper inside cylinder head, phase width 232°, exhaust valve advance 42°, intake valve retard 40°
Camshaft oil sealdiameters - 40 mm, 56 mm, width 7 mm
Cylinder block materialcast iron
Cylinder diameterclass A - 79 - 79.01 mm
Pistons and ringsTinned aluminum alloy piston
Piston diameterclass A - 78.94 - 78.95 mm
Liquidationpiston / cylinder wall - 0.153 - 0.173 mm (standard) or 0.19 mm (maximum)
Upper compression ring1535 - 1555 mm
Bottom compression ring3.957 - 3.977 mm
Oil scraper ring2015 - 2035 mm
Gap between piston groove and ring0.03 - 0.07 mm
Motor shaftcast iron, casting
Number of main bearings5
Gear journal diameter50.795 - 50.775 mm
Major revised resolution0.1 - 0.5 mm
Connecting rod bearingsshaft pin diameter - 47.814 mm
Crankshaft oil sealfront - diameters 42 mm, 60 mm, width 7 mm
Piston stroke80 mm
FuelAI-92
Environmental standardsEuro 2
Fuel consumptionhighway - 7.8 l / 100 km
Oil consumptionno more than 0.7 l / 1000 km
Oil for 21065W-30 – 15W-40
Engine oil volume3.75 l
Replacement frequencyevery 55,000 km
Working temperature80°
Motor resourcestated 120,000 km
Valve adjustmentnuts and dipstick
Cooling systemforced
Refrigerant quantity9.85 liters
water pumppolymer impeller, block mounting
Turn ondistributor
Spark plugs for 2106A17-DVR, FE65CPR, A17DV-10
Gap between spark plug electrodes0.5 - 0.6 mm
Valve circuitdouble-row roller, 114 links
Cylinder order1-3-4-2
Air filterdrying with replaceable cardboard cartridge and pre-filter, temperature adjustment depending on the season
Oil filterrecommended Mann W914/2
They're flying129 teeth, 0.62 kg
Flywheel bolts10x1.25 mm, length 23.5 mm,
Valve stem sealsManufacturers Horse or Corteco
Compressioncylinder pressure from 10 to 14 bar, pressure drop in individual cylinders within 1 bar
Oil temperature80°C
Thermostat temperature80 - 84 ° C
Pressure valve inside the radiator cap0.7 - 1 bar
Contains in the release of harmful productsCH-1
Clamping force of threaded connectionsspark plug - 31 - 39 Nm
Service elementTime or mileage (whichever comes first)
Timing beltreplacement after 100,000 km
Battery1 year / 20,000
Valve clearance2 years / 20,000
Crankcase ventilation2 years / 20,000
Belt guide accessories2 years / 20,000
Fuel line and tank cap2 years / 40,000
Engine oil1 year / 10000
Oil filter1 year / 10000
Air filter1-2 years / 40,000
Fuel filter4 years / 40,000
Heating/Cooling Fittings and Pipes2 years / 40,000
Coolant2 years / 40,000
Oxygen sensor100 000
Candle1-2 years / 20,000
Exhaust manifold1 year

As the effective life of an internal combustion engine increases, consumables can be replaced more often than the specified periods, or operations for cleaning the carburetor, engine, jets and other accessories can be added.

Disadvantages and advantages

The 2106 engine has significant disadvantages:

  • excess heat is removed in the piston crown well and in fins with steel adjusting plates inside the studs;
  • dynamic loads are reduced due to the displacement of the finger to the right from the axis of symmetry;
  • When assembled into an engine, the pistons are installed with markings in one direction, which increases labor costs and human error.

The internal combustion engine uses a model 2103 cylinder head, a 35.3708 starter and a G221 generator for a 42A engine. Oil consumption does not exceed 700 g / 1000 km. The operating instructions indicate that it is recommended to add 200 ml of lubricant less than the volume of the entire system. Markings for filling oil are shown in the table above.

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