Hi, i'm gonna do a new bottom end for my s2 rs turbo. i'm having mixed feedback about which 2 go 4. i've been told just to low comp the 1.6 botom end and that would be fine but i've heard u can use the 2 litre zetec from a focus. is this true? i'm running about 190bhp from a harvy gibbs top end, stage 3 turbo, switable boost chip (7 and 15 psi) and front mount intercooler. i was told with a zetec low comp bottom end i could turn the boost up to around 28psi and see around the 250bhp mark. which is the best 2 go for and whats involved? many thanks