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Engine data


Porsche 936 Le Mans









Porsche 936
EngineBoxer six-cylinder
Displacement (bore * stroke)2650 cm³ (92,3 mm * 66,0 mm)
Compression ratio6,85 : 1
Engine control2 * DOHC
ValvesV-shaped, 4 per cylinder
Charging2 exhaust gas turbochargers
Mixture preparationSix-plunger injection pump, indirectly
CoolingLiquid (cylinder heads), blower (engine hull)
LubricationDry sump, 16 litres
Torque630 Nm at 6800 rpm
Performance456 kW (620 HP) at 8000 rpm
Engine weight176 kg
Drive trainMidsized engine, longitudinal, Rear drive
TransmissionFour-speed
BrakesDiscs, four pistons per wheel,
ventilated
Tyres front265/565 - 15 (10,5")
Tyres rear325/650 - 16 (15")
Maximum consumptionApprox. 50 litres/100km
Tank capacity120 litres
Kerb weight750 kg + driver
Wheelbase2.430 mm
Length4.750 mm
Width1.940 mm
Height1.270 mm
100-200 km/hApprox. 5 s
Maximum speedApprox. 370 km/h
Year of manufacture1981

To say it immediately, the pictures above are from a 936, year of construction 1977 and the data from a of 1981. But once, a data set of a race car should be somewhat complete. If one knows that this car has won three times Le Mans, not only the class win but also the overall victory, one may wonder why Porsche took the risk of 25 vehicles of the type 917 almost ten years earlier.

But since, one could probably not figure out yet what performances turbocharged six-cylinder could have, namely up to 662 kW (900 hp), while the also charged twelve-cylinder come well above 809 kW (1100 HP) at the end. And yet one has used the Porsche 936 with "only" six cylinders and economized 84 kg already at the engine. However, due to the race distance was renounced on quite a lot of horsepower (see above). Despite or perhaps because, the 936 has won Le Mans one time more than the 917.

Amazing things become apparent when one examines such a racing bolide more accurate. Almost funny the two seats prescribed by the regulations, for which it was in truth far too narrow due to the tanks. The engine was to allocate neither the air nor the liquid cooling. It had simply both. Here you can find still a bit more about this particular type of cooling. Otherwise, you can say, the 936 won mainly because of its unproblematic operation. In principle, only refueling, brake and tyre changes were necessary at least during the last victory. 05/15

Significantly more about the 936 you get to know on Wikipedia this time.

Do not miss at least the first video.




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