Originally Posted by
J1mbo
you can have 500 on a standard bottom end with lower comp pistons as he wants to use anyway

Job done then
best bet and J1mbo will agree go for a tried and tested spec from a known tuner as they have many different combos that will give different results.
its not just about power a good torqure figure is also the key
Decide on a tuner and take their advice
Paul