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L92 Heads/L76 Intake

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Old 01-22-2007, 02:54 PM
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Default L92 Heads/L76 Intake

I think those are the model numbers...

Has anyone install them without porting? Basically going with a cam only LS1 then bolt those heads/intake on?

I am wondering how much more power i'll see from that setup on my stock LS1.
Old 01-22-2007, 03:23 PM
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You will loose all power, as the intake valve will collide with the LS1 cylinder wall. You can not use those heads with anything smaller then a 4.00" bore, the intake valve is 2.15".
Old 01-22-2007, 06:40 PM
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Originally Posted by 12secSS
You will loose all power, as the intake valve will collide with the LS1 cylinder wall. You can not use those heads with anything smaller then a 4.00" bore, the intake valve is 2.15".
Aren't the bores of a stock LS1 4"?
Old 01-22-2007, 08:24 PM
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3.898" stock bore. 6.0l block is 4.0"
Old 01-22-2007, 08:25 PM
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Originally Posted by 12secSS
You will loose all power, as the intake valve will collide with the LS1 cylinder wall. You can not use those heads with anything smaller then a 4.00" bore, the intake valve is 2.15".
actually the intake valve is 2.16" not that is matter too much
Old 01-22-2007, 11:37 PM
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Yep, 6.0L block or better for these heads.




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