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#1
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have 74 462 with 6x-8 heads currently porting heads myself,want to mill block .025 and heads .050this will stick piston out of holeapprox .005 will this give me 9.9-1 c.r?
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#2
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have 74 462 with 6x-8 heads currently porting heads myself,want to mill block .025 and heads .050this will stick piston out of holeapprox .005 will this give me 9.9-1 c.r?
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#3
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I think you will end up with over 10.5 comp, depends on the valve cuts on the pistons. It will be a nice head with the right cam, but you will need more than pump gas.
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#4
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I just cced my 6X-8 of my roiginal 400 from my 78 TA 97.5. Maybe a little bigger than were thought to be. The 6X -4 are the smaller chambers.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
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