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Generation III Internal Engine
oil pump bolts

Generation III Internal Engine 1997-2006 LS1 | LS6

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oil pump bolts

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Dec 20, 2008 | 09:41 AM

#1

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oil pump bolts

Can anyone tell me the size of the Oil bump bolts and pivk up bolt. I am building a bare block and don't want to keep my current LS1 in tact to sell. I have some xtra cover bolts, oilpan bolts, are they the same? It seems like most of the bolts are the same on these engines.

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Dec 20, 2008 | 09:51 AM

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Oil pump to block: 4 each - M8 x 1.25 x 28mm
Oil pump pickup tube: 1 each - M6 x 1.0 x 15mm
Oil pump plate to oil pump body: 7 each - M6 x 1.0 x 20mm

Last edited by 405HP_Z06; Dec 20, 2008 at 10:04 AM.

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Dec 20, 2008 | 03:42 PM

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Thanks, I guess the pump to block bolts would be the same as the valley cover bolts then.

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Dec 20, 2008 | 03:53 PM

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Quote:

Originally Posted by camarorat

Thanks, I guess the pump to block bolts would be the same as the valley cover bolts then.

I measured the stock valley cover bolts at M8 x 1.25 x 30, only two mm difference. I didn't measure the depth of the holes in the block so I can't absolutely say one would work for the other.

I replaced my oil pump to block bolts with ARP 6 point black oxide bolts and used 25mm instead of 30mm which was the next closest length.

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arp, bolt, bolts, location, ls1, ls1tech, oil, pump, size

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