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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Which header bolts? 1" or 3/4"?

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Old Mar 17, 2004 | 03:17 PM
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Cmr0z28
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From: Palm City, Florida
Which header bolts? 1" or 3/4"?
Which ones do I need? The flanges on my headers are 3/8".
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Old Mar 17, 2004 | 03:33 PM
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97WRAITH
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From: ontario,canada
Go with the 1" the 3/4 IMO are too short.Besides the holes are deep enough to use them.

Rob.
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Old Mar 17, 2004 | 03:34 PM
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Cmr0z28
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Thank you.
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Old Mar 17, 2004 | 03:41 PM
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GREGG 97Z
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From: Reading, PA
I used 1" ARP 12 points with my SLP's. I dont see any reason to use 3/4", there is less chance you will overtighten and strip the aluminum threads with the 1". Unless there is some tight spot with some headers that a 1" wont fit into.
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