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LQ9 Valve Size

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Old 06-24-2004, 11:32 PM
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Default LQ9 Valve Size
What are the stock valve sizes in the LQ9 6.0HO engine for the SilveradoSS?

Thanks in advance,WP
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Old 06-25-2004, 01:06 AM
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it is 2.00 / 1.55
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Old 06-25-2004, 08:49 AM
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Thanks,WP
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Old 06-25-2004, 09:58 AM
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Is this the same as for the ls1 corvette heads as well ?
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Old 06-25-2004, 10:47 AM
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Originally Posted by tooquick2beslo
Is this the same as for the ls1 corvette heads as well ?
I think so, but i am not sure
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Old 06-25-2004, 05:01 PM
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Yes they are the same as the ls1 corvette but the ls6 exhaust
valves are made of a lighter material( i think there sodium filled)
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Old 06-26-2004, 10:03 AM
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Is that the only difference in the heads between a LS6 and LS1 ?
I have some LS1 heads. All I need is sodium filled exhuast valves?
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Old 06-26-2004, 10:09 AM
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no ls6 heads flow much better
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Old 06-26-2004, 06:21 PM
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Just wondering what I would have to do to get Ls1 corvette heads to flow like the LS6 heads. I have some LS1 corvette heads.
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