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Old 10-12-2019, 01:45 PM   #15
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Re: Help with IDing rear diff

Quote:
Originally Posted by Dleslie212 View Post
I thought ihe truetrac was a straight carrier replacement. Did you mean the ring gear? I don't know alot about these things sorry
It is a straight carrier replacement.
As I noted a couple posts ago there are three carrier sizes.
Eaton doesn't cover the 2.73:1 carrier and I don't see any others listed for that size either. If you have that gearset you're changing gear ratio or not putting in an LSD.


You do have a choice of using an Auburn or Yukon with your rear end... not just Eaton. I've run Auburns in 3.75" Chrysler rears under a 69 Fury and two 69 Dodge Polaras. All three had built B383 engines and A833 transmissions. I was not gentle with any of them.
The Auburn LSDs cured my one wheel peels and hooked up both sides near instantly under some challenging conditions and they did it without exploding. I turned propshafts into pretzels and broke ears off yokes but the rears held up just fine.
https://www.justdifferentials.com/category-s/2285.htm
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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