RS-Turbo motor, Megasquirt EFI, Garrett GT22 turbo och specialtillverkat turbogrenrör. Ca 0,8 bars laddtryck.
RS turbo engine, Megasquirt EFI, Garrett GT22 turbo and a new exhaust manifold. Around 0.8 bar of boost.
Indy 500 winner Kenny Brack tests the McLaren F1 GTR at Shelsley Walsh before he drove it at the Goodwood Festival of Speed in June 2014 where he finished third overall only beaten by Sebastien Loeb and Michael Bartels.
We've put these clips together in a rough cut manner so you can hear the glorious unsilenced BMW 6 litre V12 engine producing 600bhp all the way to the top of the hill.