LT1-LT4 Modifications 1993-97 Gen II Small Block V8

new compression ratio ???

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Old Jul 5, 2006 | 01:28 PM
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Default new compression ratio ???

well guys im just curious what having flat-top pistons would do to my compression ratio ...... this is i believe the only thing i have done that would effect it and im curious what it would be now .... its around 10.5 to 1 stock right
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Old Jul 5, 2006 | 01:44 PM
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Originally Posted by Texas_TA
well guys im just curious what having flat-top pistons would do to my compression ratio ...... this is i believe the only thing i have done that would effect it and im curious what it would be now .... its around 10.5 to 1 stock right
Factory pistons are flat tops.
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Old Jul 5, 2006 | 01:53 PM
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well then i guess it wouldnt be much but mine dont have any relief valves in them completely flat at least thats what i thought was put in, would that increase it at all
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Old Jul 5, 2006 | 02:11 PM
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Originally Posted by Texas_TA
well then i guess it wouldnt be much but mine dont have any relief valves in them completely flat at least thats what i thought was put in, would that increase it at all
what are you doing? just replacing pistons?
your going to need valve reliefs..
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Old Jul 5, 2006 | 02:24 PM
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no its already been done i had the motor rebuilt about 2.5 months ago ..... what exactly do i need the relief valves for though
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Old Jul 5, 2006 | 02:32 PM
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its so the valve doesnt smash into the pistons.
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Old Jul 5, 2006 | 02:44 PM
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ok thanks for the info
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Old Jul 5, 2006 | 02:51 PM
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i would talk to the builder about it... make sure they know what they are doing
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Old Jul 5, 2006 | 03:31 PM
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yeah im going to .... they knew what they were doing but im afraid they may have gotten me for 80 bucks on the pistons ...... i didnt know as much then as i did now and i may have let them get the better of me ..... oh well i aint to worried about it only 80 bucks ..... there work was good and the motor is stronger than before they may have just had a salesman get the better of me before i learned what i know now ......
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