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Old 11-14-2007, 08:10 PM   #1
Vince M
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I need one of those Dick Tracey rear axle decoder ring

I have a '71 axle that I want to check numbers on. Anybody?

TRSK248E

PS. What is the reference book for this?

Thanks !
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Old 11-14-2007, 08:15 PM   #2
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Re: I need one of those Dick Tracey rear axle decoder ring

TRS = 3.07:1

I use a redbook for reference, but this site has the info.


http://www.americanclassic.com/

Last edited by john; 11-14-2007 at 08:20 PM.
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Old 11-14-2007, 08:17 PM   #3
Longhorn Man
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Re: I need one of those Dick Tracey rear axle decoder ring

36 years ago it was anyways.
Why not remove the cover and check? The oil probably needs chainged anyways.
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Old 11-14-2007, 08:21 PM   #4
Vince M
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Re: I need one of those Dick Tracey rear axle decoder ring

I did pull the cover and it's a 3.07:1 with a posi. I just want to know what the numbers mean.
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Old 11-14-2007, 08:38 PM   #5
Longhorn Man
its all about the +6 inches
 
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Re: I need one of those Dick Tracey rear axle decoder ring

cool, usually that's why ppl ask, to get out of servicing the rear end. You know, outta sight, outta mind.
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Old 11-15-2007, 12:33 AM   #6
Garage Freak
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Re: I need one of those Dick Tracey rear axle decoder ring

Here's another site for looking up codes.

http://www.drivetrain.com/GMtrkratio_posidata.html
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Old 11-15-2007, 07:57 AM   #7
special-K
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Re: I need one of those Dick Tracey rear axle decoder ring

Did these trucks have 3.08 or 3.07 gears?I thought trucks 12-bolts had 3.08 and cars had 3.07.
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Old 11-15-2007, 08:17 AM   #8
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Re: I need one of those Dick Tracey rear axle decoder ring

I think it's about how you round the numbers when you divide.
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Old 11-15-2007, 03:59 PM   #9
Longhorn Man
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Re: I need one of those Dick Tracey rear axle decoder ring

no, there is a 3.08, that was for cars, and a 3.07 that was for trucks.
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