Guest Fitz Posted December 2, 2010 Share Posted December 2, 2010 I'm asking something about this kind of head gasket: for flathead engine, copper on one side and fiber on the other side. (251 Chrysler 6 1952).What is the advantage for using this kind of "hybrid" style head gasket?I would like to have your opinion. Thanks.Fitz. Link to comment Share on other sites More sharing options...
Rusty_OToole Posted December 3, 2010 Share Posted December 3, 2010 In the early days of the gas engine there were 2 kinds of head gasket. Asbestos or copper. Copper had the advantage of being strong and durable but did not conform to uneven surfaces very well. Asbestos would make a tight seal even on bad surfaces but was weak and blew out too easily.Some genius combined the 2 materials by putting asbestos between 2 thin sheets of copper. This made a gasket that was durable, but would conform to imperfect surfaces.I suppose a single sheet of copper plus asbestos would work too. The copper must be turned over in the cylinder area to form an O ring that protects the asbestos from combustion chamber pressure. Link to comment Share on other sites More sharing options...
Guest Fitz Posted December 3, 2010 Share Posted December 3, 2010 I suppose too.It's the first time for me to rebuilt a Chrysler product like this one, and with a head gasket like this. Thanks.Fitz. Link to comment Share on other sites More sharing options...
RU22 Posted December 3, 2010 Share Posted December 3, 2010 We get handmade gaskets here all the time. Labor isn't much. The cost of a double sided copper clad gasket is more due to the material cost. Double sided copper can be used over and over providing it comes off intact/undamaged. I clean the gasket to reuse it and soak it in hot waterI've not noticed any real difference in performance between materials except for this re-useable feature. Everytime we go to the US I bring home a couple cans of spray-on copper head gasket sealer. That works the best for me.It's -11 in the workshop today. So. till the plumbers arrive I'm in the nice warm house Link to comment Share on other sites More sharing options...
Guest Fitz Posted December 4, 2010 Share Posted December 4, 2010 So no negative feedback on this type of gasket, I'll use it.Fitz. Link to comment Share on other sites More sharing options...
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