Like John said... easier to get tthe machining right then individually fit each piston..

I agree at 6000' you want more squeeze... I confess I'm a sea level guy so how much is too much I am not sure. I do know Comp doesnt publish the intake closing event but you should be able to get it from them by phone if you ask.

Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.