leave your car running and pull of your ht leads one at a time and the one that you pull of that dosent change the engine note is the problem lead or plug.works for me
I fitted some 312mm discs and it was the most pointless conversion ever done made no difference what so ever.Decent discs and pads like paul said will see the best improvement.
Looking good at least im not the only one with shaun the sheep under the bonnet,yeh mines going good had it on the dyno last week end pretty chuffed with the results.
Yeh running GT3582r with 24psi of boost i think the whp was about 460 so maybe the trans loss is a bit out but im not going to argue with the head line figure lol
Just read the last 6 pages and i feel sorry for the poor bloke had my car on the rollers on sat made 570bhp and 512lbs standard box standard internals who would have thought that possible lol