Phil C Posted August 29, 2023 Report Share Posted August 29, 2023 Quick question….after fitting a new head gasket is it necessary to re-torque after say, 500 miles? Or do modern gasket materials make this redundant? Link to comment Share on other sites More sharing options...
johny Posted August 29, 2023 Report Share Posted August 29, 2023 I highly doubt the new materials have changed the correct procedure. Modern cars dont need it but thats more down to the stretch bolts used to clamp heads nowadays. Its a pain but retightening is like an insurance policy against possible early failure of the gasket... 1 Link to comment Share on other sites More sharing options...
dougbgt6 Posted August 29, 2023 Report Share Posted August 29, 2023 Yes 500 or so and don't forget to re-do the tappets. Doug 1 Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 29, 2023 Report Share Posted August 29, 2023 yes and always one nut at a time and back off the nut 1/2 turn before reapplying the torque Pete 1 1 Link to comment Share on other sites More sharing options...
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