3rd gen rear axles

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Old Jul 12, 2007 | 11:51 PM
  #1  
1985RS's Avatar
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Default 3rd gen rear axles

does anyone know if any 3rd gen camaro/firebird/ta came with a 12 bolt rear end, or the 8.5" rear housing i believe it is?? if so, what years? i would assume they put the 12 bolt in cars with the v8 options, but i dont know for sure
 
Old Jul 13, 2007 | 07:37 AM
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Default RE: 3rd gen rear axles

ORIGINAL: 1985RS

does anyone know if any 3rd gen camaro/firebird/ta came with a 12 bolt rear end, or the 8.5" rear housing i believe it is?? if so, what years? i would assume they put the 12 bolt in cars with the v8 options, but i dont know for sure
No 3rd gen car came stock from the factory with any of the above qutoed rears.,,,NONE.
Only stock rears were 9-bolt , 10-bolt and a very few Dana 44. No matter if it was a V6 or V8 it came with the same rear (except for gear ratios).
 
Old Jul 13, 2007 | 03:18 PM
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Default RE: 3rd gen rear axles

There were early 8.5 10 bolt rears but I think in the third gens there was only the 7.5, 7.62 and the 7.75 Borg-Warner. And of course the Dana originaly for the 89 20th anniversary turbo T/A's
 
Old Jul 13, 2007 | 07:13 PM
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Default RE: 3rd gen rear axles

so what would be my best bet for an axle housing? i'm just worried that the 7 5/8" rear wont handle the power i'll be putting to it
 
Old Jul 13, 2007 | 08:28 PM
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Default RE: 3rd gen rear axles

ORIGINAL: 1985RS

so what would be my best bet for an axle housing? i'm just worried that the 7 5/8" rear wont handle the power i'll be putting to it
Well if you have a extra $2000/2600 laying around you can buy aftermarket 9" Ford or 12-Bolt rear that will fit a 3rd gen car without too many problems[sm=headbang.gif]. Otherwise your SOL with any othert rear axle assembly/
 
Old Jul 14, 2007 | 12:42 AM
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yeah, the only issue i have with a 9" or other gm axle housings is the fact that they dont have a mount built in for the torque arm, i may just reinforce the housing and pray lol
 
Old Jul 14, 2007 | 01:04 AM
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Default RE: 3rd gen rear axles

I think the more common one you could find and be the strongest is the Borg Warner. You can tell it with the 9 bolt cover and disc brakes
 
Old Jul 14, 2007 | 01:21 AM
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Default RE: 3rd gen rear axles

SOOO wait, i thought i had a BW in mine? Its a 3.06 "posi" believe it or not, i ran the codes and its there. but it is a 10 bolt...
 
Old Jul 14, 2007 | 01:24 AM
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i'm not too worried about it anymore, currie enterprises makes a 9" axle housing kit that bolts into the 3rd gen f bodies, comes with axle shafts too, about 1200 bucks, so i think i'll go with that
 
Old Jul 14, 2007 | 09:49 AM
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Default RE: 3rd gen rear axles

Pound for pound, the 9 inch is pretty indestructable.
 



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