Alternator Bolt Size

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Jul 27, 2021 | 10:44 AM

lukin

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Junior Member

Joined: Jun 2021

Posts: 11

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Alternator Bolt Size

Looking for the bottom long alternator mounting bolt size so I can order a new one. The one I have ended up snapping off in the block of the 305. Any help is appreciated.

Jul 27, 2021 | 07:49 PM

Komet

Supreme Member

Joined: Feb 2021

Posts: 1,213

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From: WA

Car: 1989 IROC-Z

Engine: L98 350 TPI

Transmission: 700R4

Axle/Gears: BW 9 Bolt / 2.77 Posi

Re: Alternator Bolt Size

You need a digital caliper (with fractional inches) and a thread pitch gauge.

Jul 28, 2021 | 10:16 AM

midias

Supreme Member

Joined: Oct 2004

Posts: 4,528

Likes: 240

From: Henrietta NY

Car: 1984 Trans Am L69

Engine: Sniper EFI Powered 355

Transmission: WC T5 w/ Steel Support Plate

Axle/Gears: 3.42 10 Bolt Posi

Re: Alternator Bolt Size

https://www.thirdgen.org/forums/tech...bolt-size.html

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May 29, 2003 08:21 PM

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