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Generation III Internal Engine 1997-2006 LS1 | LS6
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Help with ARP headbolt selection

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Old 08-01-2007, 03:41 PM
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Default Help with ARP headbolt selection
I have a TSP 347 in the crate waiting for a few more parts to install. I don't know what year the block is and the bolts are different for 04-up. Can someone tell me how to identify which headbolts I need?
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Old 08-01-2007, 04:22 PM
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The 04 and newer blocks use bolts that are all the same length.
The blocks built prior to 04 have different length bolts.
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Old 08-01-2007, 05:20 PM
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Call TSP. They will know.
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Old 08-01-2007, 05:37 PM
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Originally Posted by 3.4camaro
Call TSP. They will know.
I agree
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Old 08-01-2007, 06:02 PM
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Check the depth of the head bolts holes....if they're all the same, you got the later model LS1 block!
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Old 08-02-2007, 09:52 AM
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That's what I needed to know. Thanks Matt!
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