Generation III Internal Engine 1997-2006 LS1 | LS6
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Heads ?s

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Old 08-05-2003, 12:35 PM
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Default Heads ?s

Whgat are the casting #s for 5.3 heads and LS6 heads and if possible year? How do you tell the light 02+ Z06 valves from the 01 valves?

BTW Yes I did search

Thanks,
Old 08-05-2003, 10:33 PM
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Default Re: Heads ?s

1999 and up aluminum 5.3 heads 852 or 706

2001 and up LS6 heads 243

Sorry, cannot help with the valve part.
Old 08-05-2003, 10:56 PM
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Lamar, quit dicking around and buy something already
Old 08-06-2003, 09:29 PM
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Patience Ron I'll do something Just debating on what and how much $. I was only planning running down an RP car, but you made that harder

Thanks for the replies.




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