Quote:
Originally Posted by Drew
thats in the 230bhp section. there is no uprated gasket and head studs are generally needed for over 18psi as it lifts the head. id put that in the 300+bracket.
porting adds power all over the rev range, its not as good on a turbo as a nasp as the air is forced in but its said to be 15% gain on a nasp and 5% gain on a turbo.
ive not seen anyone with an aftermarket inlet manifold (except myself  ). most use an M series inlet with the throttle body re-positioned to open the restrictive part of the manifold.
Drew |
cheers dude i'll adjust accordingly thanks
ah ha! thats where i also have an aftermarket inlet on route :P custom designed from lloyds specialist developments
i'll take some snaps wen it arrives