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Correct compression for ls/vtec???

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Old Dec 18, 2009 | 04:31 PM
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brandonschmidt
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Default Correct compression for ls/vtec???
Im running a b18b block bored .5 over,
B16a2 head,
PR3 pistons,
CTR cams....

I'm getting 200psi across the board warm under full throttle.
And 210psi during a leak down test.
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Old Dec 18, 2009 | 05:10 PM
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Default Re: Correct compression for ls/vtec???
Originally Posted by brandonschmidt
Im running a b18b block bored .5 over,
B16a2 head,
PR3 pistons,
CTR cams....

I'm getting 200psi across the board warm under full throttle.
And 210psi during a leak down test.
this is a statement


where is the question?
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Old Dec 18, 2009 | 05:12 PM
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brandonschmidt
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Default Re: Correct compression for ls/vtec???
Is this the correct compression for ls/vtec???
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Old Dec 18, 2009 | 05:17 PM
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Default Re: Correct compression for ls/vtec???
yeah that sounds about right
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Old Dec 18, 2009 | 05:24 PM
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Default Re: Correct compression for ls/vtec???
Measured compression is very much dependent on the gauge. Consistency is what you seek.
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Old Dec 18, 2009 | 06:57 PM
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Default Re: Correct compression for ls/vtec???
Yes those compression numbers are ok for that setup. Like Dogginator said you want all four cylinders to be close and consistent with eachother.
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Old Dec 18, 2009 | 08:05 PM
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Default Re: Correct compression for ls/vtec???
Ok, thank you everyone.
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