darren t
Registered User
Hi there thought I'd let anyone out there know that wossner pistons stated std are not exactly standard fitted forged rods apr bolts bearings and h beam rods dyno printout was 230bhp with a new turbo turns out there not std but actually low compression pistons ie 150psi per cylinder comp ratio end up 8.5.1 were as standard comp ratio for bam engine is 186psi!!!so only good with an agu head and big turbo they actualy robbed me iv power any thoughts ???