HondaCivicForum.com - Cometic Headgasket Question

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bcrichguitars

07-24-2008 10:09 PM

Cometic Headgasket Question

If my engine is overbored with 75.5mm pistons, should i get a 76mm head gasket or will a 75.5mm gasket work?

bcrichguitars

07-24-2008 10:10 PM

RE: Cometic Headgasket Question

I heard Cometic recommends that for a stock 75mm bore that you use a 75.5mm gasket to avoid clearance issues. What size gasket should I order? My car is going in the machine shop next paycheck in two weeks!

Hailchristian

07-24-2008 10:14 PM

RE: Cometic Headgasket Question

im almost positive head gaskets are supposed to be .5mm over.

red2000Si

07-25-2008 08:53 AM

RE: Cometic Headgasket Question

You can use an oem 81mm headgasket on an 81.5mm bore but Im not sure if thats true with a cometic gasket too. I have an oem 81mm headgasket on my 81.25mm bore. Btw this should probably be in the engine/internal section.

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