Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Can someone tell me what rear end i have?

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Old 06-30-2015, 12:12 AM
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Can someone tell me what rear end i have?

I know its a mess.








Old 06-30-2015, 01:02 AM
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Car: 1988 Camaro
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Transmission: TH-400, 3500 stall 9.5" converter
Axle/Gears: Ford 9", detroit locker, 3.89 gears
Re: Can someone tell me what rear end i have?

Borg warner 9 bolt. It will be a posi rear with 3.27 gears. It's the 'strongest' (still pretty weak though) factory third gen rear end. It's an aussie made rear end. Very hard to get parts for, and not very 'serviceable'.

Last edited by Night rider327; 06-30-2015 at 01:06 AM.
Old 06-30-2015, 01:32 AM
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Re: Can someone tell me what rear end i have?

Originally Posted by Night rider327
Borg warner 9 bolt. It will be a posi rear with 3.27 gears. It's the 'strongest' (still pretty weak though) factory third gen rear end. It's an aussie made rear end. Very hard to get parts for, and not very 'serviceable'.
Well i have two problems that i'm bringing it to my mechanic for - and i'm not sure they are related to the rear end. The car drives fine except for two problems
  • Mild Whine while coasting (car in gear)
  • Dull Thud while accelerating (like the engine is pulling something and then connecting)

Rear end problem?
Old 06-30-2015, 01:46 AM
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Car: 1988 Camaro
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Transmission: TH-400, 3500 stall 9.5" converter
Axle/Gears: Ford 9", detroit locker, 3.89 gears
Re: Can someone tell me what rear end i have?

The whine could be Trans, rear end or wheel bearing.
The thud could be torque arm bushing, trans mount, U joints, or rear end
Old 06-30-2015, 02:15 AM
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Re: Can someone tell me what rear end i have?

Thanks for the info dude!

Originally Posted by Night rider327
The whine could be Trans, rear end or wheel bearing.
The thud could be torque arm bushing, trans mount, U joints, or rear end
Old 06-30-2015, 05:54 AM
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Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: Can someone tell me what rear end i have?

Originally Posted by Night rider327
Borg warner 9 bolt. It will be a posi rear with 3.27 gears. It's the 'strongest' (still pretty weak though) factory third gen rear end. It's an aussie made rear end. Very hard to get parts for, and not very 'serviceable'.
Really? That's weird, I have no issue getting bearings, seals, new cones and doig the machine work to set them up again with shims. These things are super easy to rebuild.
Old 06-30-2015, 10:55 AM
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Re: Can someone tell me what rear end i have?

Originally Posted by Night rider327
The whine could be Trans, rear end or wheel bearing.
The thud could be torque arm bushing, trans mount, U joints, or rear end
Spot on!
Old 06-30-2015, 12:58 PM
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Re: Can someone tell me what rear end i have?

i used to have a "thud" on acceleration that was caused by a broken trans mount that allowed my aluminum driveshaft to hit the trans tunnel... fixed it with a poly trans mount..
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