Bolt size
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Joined: Mar 2015
Posts: 31
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From: West By God Virginia
Car: 1986 Z28 Iroc
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23
Bolt size
I just picked up a complete serpentine belt system. Only problem it didn't come with any of the mounting bolts. I have searched the Internet over and can't find what size they are anywhere. So who can help me out?
Supreme Member

Joined: Jul 2009
Posts: 2,328
Likes: 9
From: Kitchener, ON
Car: 1988 GTA
Engine: LB9
Transmission: T5
Axle/Gears: 3.45
Re: Bolt size
Besides the big aluminum brackets, there's quite a mix of braces, studs, nuts, and bolts with both hex and torx heads. Not sure, but hopefully someone has a documented list of what's required. I tend to think stripping a complete junkyard engine would be easiest.
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iTrader: (13)
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Posts: 2,535
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From: Bowdon, GA.
Car: 1988 Camaro
Engine: 355, 10.34:1, 249/252 @.050", IK200
Transmission: TH-400, 3500 stall 9.5" converter
Axle/Gears: Ford 9", detroit locker, 3.89 gears
Re: Bolt size
Well most of the holes in the block will be 3/8-16 if that helps you any
Joined: Aug 1999
Posts: 19,282
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Bolt size
The second link provides a parts list and install guide:
https://www.thirdgen.org/forums/afte...rsion-kit.html
JamesC
https://www.thirdgen.org/forums/afte...rsion-kit.html
JamesC
Last edited by JamesC; Jun 29, 2015 at 07:58 AM.
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