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01-15-2001, 01:03 AM
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#3 |
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Registered Member
Join Date: Apr 1999
Location: Hayes, Va, USA
Posts: 798
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Naw .006 would be about right for about a 1 CC worth of space. I think the Fel-Pro gaskets are 4.100 in dia and typically have a .041 compressed thickness. If you have a different gasket and it has a smaller compressed volume then that might help. the best thing to do is call Fel-Pro or get friendly with a parts guy so you can peruse the Fel-pro catalog and see if they have any engineering info on compressed gasket thicknesses. It takes about 4 cc to make 1/2 a point difference in compression. So if your going down something like a full point then thats a whooping 8 cc's. Or to put it another way. Sticking the piston .047 down in the bore would do the same thing. the problem here is increased area where unburnt fuel could hide. Increasing the engines tendancy to knock or minimize the fuel that could be burned costing you power.
So what are you are trying to reduce compression for? |
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