Hi guys, I'm purchasing some forged pistons, rods and headgasket. I am wondering which combo I should be going for in terms of compression ratio and headgasket thickness. I am aiming for 74.5mm wiseco pistons + scat rods with a steel headgasket. My turbo I will be running will most likely be a td04 or similar VF series I have a choice of either 8.5:1 or 9:1 headgasket either 0.6mm 1mm, 1.2mm, 1.5mm 2mm thanks guys, dan