Originally Posted by RedlineBoyzCRX
So I jsut need to get Stock 81mm P73 Pistons for my car, and get them put on my PR3 rods, and that will raise my compression? IS shaving my head a bad thing?
I wouldn't recommend that you shave the head at all. I would just put those pistons in and it will have a greater effect than if you just shave the head and use a thinner headgasket.