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

6ec rear end?

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Old May 4, 2010 | 08:55 PM
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From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
6ec rear end?

is this rear end still positive slip?
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Old May 5, 2010 | 08:52 AM
  #2  
big gear head's Avatar
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Re: 6ec rear end?

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Old May 5, 2010 | 09:44 AM
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From: Norfolk, VA. USA
Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
Re: 6ec rear end?

is that an RPO code?

I inititally read it as 6 sec rear end.
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Old May 5, 2010 | 10:22 AM
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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: 6ec rear end?

Originally Posted by Zepher
is that an RPO code?

I inititally read it as 6 sec rear end.
Me too. C'mon, goalie, what's up?

JamesC
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Old May 5, 2010 | 01:18 PM
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goalieforlife's Avatar
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From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
Re: 6ec rear end?

yes an rpo code i do believe...
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Old May 5, 2010 | 01:20 PM
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JamesC's Avatar
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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: 6ec rear end?

Originally Posted by goalieforlife
yes an rpo code i do believe...
RPO G80 = limited slip.

JamesC
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Old May 5, 2010 | 04:46 PM
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Re: 6ec rear end?

Is that what is stamped on the axle tube?
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Old May 5, 2010 | 06:00 PM
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goalieforlife's Avatar
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From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
Re: 6ec rear end?

yes..my brother informed me that its stamped on the axle of his 86 iroc
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Old May 5, 2010 | 06:02 PM
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JamesC's Avatar
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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: 6ec rear end?

Axle tube codes can be found at the beginning of the link to follow, but after a quick look, I didn't see the code:

https://www.thirdgen.org/forums/tran...-10-bolts.html

JamesC
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Old May 6, 2010 | 01:51 PM
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From: Newfoundland, Canada
Car: 1991 Pontiac Trans Am GTA
Engine: V8 305
Transmission: Automatic Transmission
Re: 6ec rear end?

i don't see it either...his camaro is a 86 and he thinks the rear end is out of 84 camaro
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