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

Rear axle code help

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Old Jan 15, 2005 | 06:11 PM
  #1  
roadthrills's Avatar
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From: Northern Arkansas
Car: 1982 MSE, 1988 S10 Blazer
Engine: 305 in both!
Transmission: 200c / Th700r4
Axle/Gears: 3:73 / 3.42
Rear axle code help

Went to the junkyard today and found an '84 Z28 HO with rear disc brakes. I'm thinking about picking it up if the gears are right for me. The code stamped on the axle tube is 6EC. Does anyone know what gears are in it?
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Old Jan 15, 2005 | 07:12 PM
  #2  
Petes 84Z28's Avatar
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From: out of my mind; be back in 5 minutes....
Car: 1989 Firebird Formula
Engine: Internal Combustion
Transmission: Completed
Axle/Gears: ones that turn.
The only way to know, is to pull the cover and either count the teeth, or find the tooth count numbers stamped onto the ring gear.
On a 20-year old axle, it's possible that they have been changed.
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Old Jan 15, 2005 | 07:55 PM
  #3  
roadthrills's Avatar
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20 Year Member
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Joined: Aug 2004
Posts: 435
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From: Northern Arkansas
Car: 1982 MSE, 1988 S10 Blazer
Engine: 305 in both!
Transmission: 200c / Th700r4
Axle/Gears: 3:73 / 3.42
Trust me, this is definately a virgin axle.
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Old Jan 15, 2005 | 08:20 PM
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DJP87Z28's Avatar
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From: Florida
Car: 1987 Black IROC-Z (SOLD)
6EC should be 3:73 open rear.
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