Do mains studs/bolts are reusable or are one time use?

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Apr 17, 2014 | 03:27 PM

Mike Cordero

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Do mains studs/bolts are reusable or are one time use?

Do the mains studs/bolts are reusable or one time use as the heads bolts? It's for a LQ4 engine, which I'm planning to use as a daily driver/show twin turbo old chevy truck, not for racing.

Apr 17, 2014 | 03:31 PM

Darkman

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If you are asking about the ARP head studs and/or the ARP head bolts - they are reusable as opposed to the OEM head bolts that are torque-to-yield and not reusable.

Apr 17, 2014 | 03:46 PM

yonerhottlt1

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He's talking about the main studs/bolts not the head studs/bolts.

Apr 17, 2014 | 03:49 PM

Darkman

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Quote:

Originally Posted by yonerhottlt1

He's talking about the main studs/bolts not the head studs/bolts.

I am not illiterate, I just can't read.

Apr 17, 2014 | 03:52 PM

Darkman

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Quote:

Originally Posted by Mike Cordero

Do the mains studs/bolts are reusable or one time use as the heads bolts? It's for a LQ4 engine, which I'm planning to use as a daily driver/show twin turbo old chevy truck, not for racing.

https://ls1tech.com/forums/16213258-post7.html
https://ls1tech.com/forums/generatio...-reusable.html
https://ls1tech.com/forums/generatio...cap-bolts.html

Apr 17, 2014 | 06:41 PM

RezinTexas

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https://ls1tech.com/forums/generatio...bolts-tty.html

Apr 17, 2014 | 07:06 PM

Fastdriver1992

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i have reused them without issues

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Apr 18, 2014 | 06:29 AM

RezinTexas

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agreed you can reuse them, however with degraded clamping forces.

Apr 18, 2014 | 07:28 AM

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Paul Bell

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Center main bolts (12560272) are $3.50 each.

Outer main bolts (12560273) are $3.54

Side main bolts (12556127) are $2.15 each.

It seems silly to rebuild an engine without using at least stock new fasteners.

AND, it's gonna be a twin turbo? You're considering not upgrading the main bolts?