Quote:
Originally Posted by TheSaturnV
George, do you loosen the head bolts and then re-torque, or just torque from where they are?
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Retorque without loosening, but if you did loosen, no harm done as the concept is to bring them up tight, because the gasket compressed during the heat cycle or two, thus the bolts loosened causing failure of the gasket in the future.
Do follow the torque sequence.
As far as the fire ring head gasket vs the flat one.
The flat ones being sold now by Stens and other reputable manufactures
appear to work as designed. failures seem to be from lack of a retorque situation.
Now if one has stepped up the compression quite a bit from the 6 to 1 or so factory rating as in modified or a pulling situation either use fire ring or they go to a soft copper gasket or flycut, for a copper "O" ring gasket.
Apology for the long answer but some like to know the "why" of things.
