Originally posted by fastcougar:
I was in on the last GB and I meant to change my order last minute and didn't in time, so I have 9.5:1 3L .5mm overbore pistons and I need 8.5:1 3L .5mm overbore instead since I'm planning on a little bit more boost than originally planned. So, put me down for a set:

3L engine
8.5:1 CR
.5mm overbore




I am pretty sure you can Send your pistons back and have them redesign them for the compression you want. assuming from what i have heard you want lower compression so that means taking material off. Call them and see. Might save you time and money...good luck


PLEASE HELP ME GET MY CAR TOGETHER! ITS IN DAYTON OHIO! I need the motor together and in the car so i can DRIVE it! Pleeeeeese! diamond pistons for 3.0/forsale #702 of 2150