Supra top speed run 299kph/185mph
Supra MK3 2007 Speedparty. 299kph/185mph measured with a radar gun. Engine
Check the video from 2012, 326kph standing mile:
Corvette racing @ 205mph or 330km/h
UPDATE: Just to prove that it's got the goods, GM has released a video of
its new supercharged Corvette stretching its legs to a massive 205mph
(330km/h) top speed.
At a time when car makers are showing off every imaginable fuel-saving
gizmo, General Motors does the math on the 6.2-litre V8 engine in its new
Chevrolet Corvette ZR1 and comes up with more oomph than it expected.
The company's powertrain gurus found that the LS9 engine cranks out 476kW
(638bhp) - 20 horsepower more than the
estimates they made when GM took the covers off the ZR1 before Christmas.
Simply, the engine is rated at 76kW (103bhp) per litre of displacement or
1.7bhp per cubic inch (6.2 litres is equal to 376 cubic inches).
All that power will push the Corvette ZR1 to a top speed of more than
322km/h, says GM. And torque? The revised official figure is now 810Nm.
The key to power and torque is a Roots-type Supercharger with four-lobe rotors that sits atop
the LS9 engine. A liquid-to-air Intercooler is integrated into the Supercharger's housing.
The engine will be hand-built at GM's Performance Build Centre in suburban
Detroit, the same plant that hand-builds the LS7 V8 used in the Corvette