Engine stand Bolts LS1

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Nov 1, 2024 | 09:03 PM

upstateRich

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Joined: Jul 2023

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From: upstate NY

Car: 1989 Firebird

Engine: 2001 5.7 LS1

Engine stand Bolts LS1

looking for engine stand bolt size for a LS1 the stand sleeve is 2 3/4"
Thanks Rich

Nov 1, 2024 | 10:55 PM

sofakingdom

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Re: Engine stand Bolts LS1

Bolts are 10mm std thread

2¾" is about 70mm

Needs to be around 15-20mm into the block, so 10mm x 85 - 90mm should serve the purpose

Nov 2, 2024 | 12:55 PM

upstateRich

Thread Starter

Member

Joined: Jul 2023

Posts: 133

Likes: 7

From: upstate NY

Car: 1989 Firebird

Engine: 2001 5.7 LS1

Re: Engine stand Bolts LS1

Thank you and i found out the thread is 150
Thanks again
Rich

Nov 2, 2024 | 01:09 PM

sofakingdom

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Car: Yes

Engine: Usually

Transmission: Sometimes

Axle/Gears: Behind me somewhere

Re: Engine stand Bolts LS1

Yup, pretty sure 1.5 is the "std" (not "fine") pitch for that size bolt.

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