Quote:
Originally Posted by e30gangsta
So i'm sending out my block to mazwork to be built. 90mm sleeved 2.2 I am wondering if they have to open up the combustion chamber pocket on the head when running that size piston, or do they just leave it as is?
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If you?re going to 90mm, I would have the head matched. If you stayed under 88mm, I wouldn?t as quench pads help tremendously with mixing and burn. Full on race motor, no doubt remove quench because it deshrouds the valve.