Headgasket issues?
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These may be stupid questions but is there a differance in headgaskets if I have an LQ4 block and 243 heads? I was thinking the stock GM ones for an LQ4. Or do I go for ones for an LS2? Are they even differant?
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Both the 243 and LQ4 are Gen III designs. If you use an LQ4 head gasket you'll be fine. No personal experience, but the LS2 replacement is a different P/N. Something about it has to be different.