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Originally Posted by 97 STS  AJ, are these aftermarket gaskets? |
YES
They maybe the OE supplier of that type of gasket for some engines. I am not sure about that, but some is making then for GM.
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Originally Posted by JC316 Very interesting writeup AJ, well done. My 98 SLS blew the gasket, but for a different reason than the one that you showed. The metal on my block was great, no pits or corrosion, hell the threads didn't even pull out, what killed mine were two gashes in the surface of the head, near the water jacket. I assume that they were a factory flaw from the factory, but I never did find the reason. In your estimation, since the block was in good shape, no powdered shavings, or pits, what are the chances of my 98 blowing a head gasket again? |
No pitting, No powder, No TimeSerts then the block should hold up just fine