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Re: GM 3100 oil? In coolant. Dexcool sludge
Posted to Technical Theory Forum on 8/8/2018 1 Reply

I have probably done 1-200 intake gasket jobs on this engine platform. I have probably only seen 5-10 of these that needed head gaskets, and none of those were after intake gasket replacement. They were in for intermittent overheating issues or poor heat. I ha... Login to read more.

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