Join Date: Feb 2016
Location: Central Louisiana
HIB is correct. stock is about 9.7 with the stock head gasket. With the .030 it will bump you up to 10.1:1. You need to match the compression to the cam you are running. Do it right or not at all. Cam exhaust head gasket intake tune enjoy...
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2016 RG Custom Vivid Black
Freedom Union 2/1, Andrews 57H cam, Mach 2 A/C, .030 head gasket