Originally Posted by
andy escos
different cams ,higher compression pistons, carbs or throttle bodies, after market management, new exhaust, manifold &exhaust ,& shit loads of head work 4 a start to get 200bhp is bloody expensive

That's what I've heard. I know the headwork is critical because the ports are too small for N/A and some major flow work is needed. It's a lot of hassle for the money really.