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Boes Anybody Know what size Bolts?

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Old 02-22-2010, 10:14 AM
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Car: I have a 91 Camaro RS
Engine: 383 stroker
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Boes Anybody Know what size Bolts?

Im getting ready to upgrade my diff and install 3.73 gears an eaton posi and a performance diff cover. My question is does anybody know what size the ten bolts that hold the diff cover on are. I want to buy new possibbly stronger ones when i have this project done. Thanks for any of the help or info you can give....if buy some chance there is a company that sell these that you know of that would help also.
Old 02-22-2010, 10:16 AM
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Re: Boes Anybody Know what size Bolts?

Originally Posted by MSRed91Camaro
Im getting ready to upgrade my diff and install 3.73 gears an eaton posi and a performance diff cover. My question is does anybody know what size the ten bolts that hold the diff cover on are.
I'd suggest that the diff cover will come with the bolts--my Summit version did anyway.

https://www.thirdgen.org/forums/atta...-89-guides.jpg

TA Performance also manufactures them as well. The stud kit is extra apparently:

http://www.taperformance.com/products.asp?cat=48

JamesC

Last edited by JamesC; 02-22-2010 at 10:35 AM.
Old 02-22-2010, 12:02 PM
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Car: 88 GTA/86 C20 Burb/91 325i
Engine: L98/454/M20
Transmission: 700R4/NV4500/Getrag
Axle/Gears: 3.27 9-bolt/3.73 14 Bolt/3.73 IRS
Re: Boes Anybody Know what size Bolts?

The stud kit for the T/A Performance cover is actually for the main bearing caps, not the cover itself. The cover comes with the cover bolts at the regular price.

-Levi
Old 02-24-2010, 09:14 AM
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Car: I have a 91 Camaro RS
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Axle/Gears: I have 3.73 Gears with a Eaton posi
Re: Boes Anybody Know what size Bolts?

I bought a used cover and it didnt come with new bolts thats one reason why im asking
Old 02-24-2010, 09:25 AM
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Re: Boes Anybody Know what size Bolts?

Originally Posted by MSRed91Camaro
I bought a used cover and it didnt come with new bolts thats one reason why im asking
Below.

JamesC

Last edited by JamesC; 02-24-2010 at 10:34 AM.
Old 02-24-2010, 09:52 AM
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Re: Boes Anybody Know what size Bolts?

(Just remembered that I have instructions) For my kit:

Some applications such as the Chevy 10-bolt, 7.5" diff covers will require the use of (2) 5/16-18NC x 1-1/2 hex head bolts (supplied) to mount the parking brake cable brackets to the rear end housing.

I measured the 'normal' bolts and they are as above only 1-1/4. No info on the bearing cap load studs, but as cal30 points out, they can be had in the above link.

BTW, if you'd like install instructions, let me know and I'll type them up.

Hey, I'm bored this moring:

http://www.summitracing.com/parts/SM...ts&prefilter=0

JamesC

Last edited by JamesC; 02-24-2010 at 11:06 AM.
Old 02-24-2010, 01:04 PM
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Car: I have a 91 Camaro RS
Engine: 383 stroker
Transmission: Stock automatic 700r4
Axle/Gears: I have 3.73 Gears with a Eaton posi
Re: Boes Anybody Know what size Bolts?

So JamesC the ones in the link are for a 10-bolt diff cover.....Im pretty sure thats why you posted it im just checking...and im having this build done by a shop in my town so i dont need install insturctions ...thanks anyways though
Old 02-24-2010, 01:21 PM
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Re: Boes Anybody Know what size Bolts?

Originally Posted by MSRed91Camaro
So JamesC the ones in the link are for a 10-bolt diff cover...
Yep.

JamesC
Old 02-24-2010, 01:42 PM
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Axle/Gears: I have 3.73 Gears with a Eaton posi
Re: Boes Anybody Know what size Bolts?

thanks for the help man.
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