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Re: Late 1990's GM 3.1/3.4L Intake gasket sealer to use
Best sealant I ever found was Dirko. Came in a toothpaste
style tube, was grey and stank like hell. It could seal up
small to medium head gasket leaks externally at times. Very
hard to find now. Was OEM sealant for SAAB and BMW some 30
years ago. ![]()
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