Originally Posted by
It's Czech Mate
I'd expect to be knocking on 185 if the rod bolts are changes along with the valve springs and the rev limit raised
The head will flow 200bhp-ish as standard, just make sure the cams are the right ones
and the exhaust manifold is up to the job
Listen to this man.
You can just about make 160 at a push on the standard inlet with something like SS4 cams or Lightning Motorsports equivalents.