Originally posted by Contouraholic:

The overboring repairs the damage/wear and also increases the displacement a small amount and compression ratio a small amount.



I thought that if you bore it out, you lose some compression because you are increasing the area inside the cylinder.

Then, if you want to keep the same ratio, use a smaller thickness head gasket to bump up the CR.

Can someone correct me if I'm wrong?

Mike

Former - 98 CSVT E0 T-Red 4/4/97 #173 of 6535 Dear Santa