Originally Posted by SECS
Originally Posted by Paul Eggleton
Fair fucking play. Nice one.
I didn't realise just porting the head would allow it to flow enough to reach that power.

There is MORE to it than that. Cams/Manifold/turbo ... MONEY

I know it needs a good combination of the above, I just imagined that at that level bigger valves would have been a given seeing as people tend to say that you need headwork for a genuine 400.