right final question.

I have bought a T38 roller bearing turbo after good reports from some trusted people. Also bd14 inlet cam which will be used with a standard exhaust cam. My bottom end is already sorted. Aiming for the 450+ safe mark so last thing is the head spec.

I have a mint unskimmed head and want to know if the above spec can be reached without porting and polishing. I just dont want to spend a load of money on getting it re worked if it is just going to make the car less responsive etc.