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PostPosted: Thu Mar 14, 2002 5:14 pm 
225 /6 with flat top pistons 30 over on a stock rebuild, felpro permatorque head gasket and a 1975 head with 58.5 cc combustion chamber. Block is uncut. What's your best guess of my compression ratio?
Jerry

roxnjer@aol.com


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 Post subject: Re: A "Dreamwheel" guess
PostPosted: Sun Mar 17, 2002 9:21 am 
My "Power-speed calculator" comes up with 89 cc total TDCC volumn for 8 to 1 compression.
The big unknown here is the piston's compression distance, I based my calc. on .14 negative. (down in the bore) This needs to be measured so we can move from *guess* to actual compression.
DD
(User Above) wrote:
:
: 225 /6 with flat top pistons 30 over on a stock
: rebuild, felpro permatorque head gasket and
: a 1975 head with 58.5 cc combustion chamber.
: Block is uncut. What's your best guess of my
: compression ratio?
: Jerry


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