Originally Posted by
MadMac
Nearly 11:1 Compression ratio on a turbo lump is a wee bit high.
Either way, sounds like the engine is fubared.
i thought about 160 psi was good compression for a rs turbo engine ? any way can i just replace the rings on the piston thats only showing 75 or shall i change them all ? will my block need rebore or can i simply just change the rings ? cheers