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Thread: CR Help...
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10-19-2005 #1
Starting The Transformation
- Join Date
- May 2005
- Location
- Warminster, PA
- Posts
- 170
CR Help...
I have a couple different questions, im trying to figure stuff out. What would be the approx. cr of a 455ci with 114cc heads and flat top pistons. How much would the cr raise if I stroked it out to 474ci with same heads? I think it would be bad ass to have a blown 474 stroker, but i wanna be able to run pump gas(i will probably only boost it like 6psi). any ideas ponti-action racing makes a 474ci stroker kit for like $2k. anyone know if its forged, doesnt say on the site, but for $2k im assuming not. But it should hold up to only 6psi.
1979 Trans Am - In the big junkyard in the sky
1980 Turbo Trans Am - In the big junkyard in the sky
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10-19-2005 #2
Starting The Transformation
- Join Date
- Oct 2005
- Location
- SoCal
- Posts
- 489
What thickness head gasket?
Are the pistons/block set to 0 deck height?
Any valve reliefs?
staying at 4.152 bore or going over?
Sounds like you will be 8.6ish at the standard stroke and 9.0 with the stroker.
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