JonLow Posted September 4, 2019 Report Share Posted September 4, 2019 I am about to put my Spitfire 1500 head back on the engine block, after an engine refresh. The head gasket I have is the composite type, came in a Rimmers gasket set. There seems to be a difference of thought about whether head gaskets need a bit of sealant. I have always fitted mine dry and not had any undue issues. The head and block look good by steel rule check, but as these engines have been around a bit now, some people suggest a drop of sealant to make up for any alignment issues. Thoughts please? Link to comment Share on other sites More sharing options...
JohnD Posted September 4, 2019 Report Share Posted September 4, 2019 No idea if the Rimmers one is a Payen gaket, also 'composite type' but they do not need sealant, as they are coated with heat-sensitive adhesive, that activates on first use. Ask Rimmers? John PS let us know the answer, please! Link to comment Share on other sites More sharing options...
Pete Lewis Posted September 4, 2019 Report Share Posted September 4, 2019 old school rule is they must be fitted dry to enable 'Grip' you dont want anything slippery on the faces unless it specifically says so eg the steel shim gasket on a 1600 calls for sealant like Wellseal not a silcon based a very light smear of sealer along the edge of the cam chest and around the rocker oil feed hole in the rear corner ,but please keep the main faces on composite or copper dry Pete Link to comment Share on other sites More sharing options...
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