Fly Cutting question on gt1-1 cam
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Fly Cutting question on gt1-1 cam
I'm putting a gt1-1 cam which is 229 / 242 .631" / .631" 1.7 ratio 114 with l92 heads on stock 6.0 lq9 the heads have si valves and dual spring titamium retainers my question is do I need to fly cut the pistons ? the lingenfelter sayn fly cutting is neccesary on stock ls1 engines but I'm not sure with these heads?