Forums General Counties Cars Discussion The old perennial – A40 Somerset head gaskets!

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  • #827

    I think almost every club member has an opinion on this one – why not upload your thoughts here?


    When reassembling the head do a dry assembly first without the gasket in place
    This gives you the opportunity to make sure that the studs have not been streatched to the point the the nuts will get tight by bottoming out on the threads
    Now disassemble and insert the gasket (with or without gasket goo) and then reassemble and add lube to the studs nuts and washers so that the torque applied is truly imparted to the stud and not absorbed by friction on the threads
    When all done retighten all nuts as specified then run the engin for a short while then retighten again. Run the engine again and retighten again each time at the specified setting
    You can’t retighten to many times
    This method assumes you have made sure that the head and block are both flat before you started the assembly process

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