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Old 04-05-2023, 03:09 PM   #15
Casper42
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Re: Posi rear differential factory option?

Quote:
Originally Posted by special-K View Post


That can't be all the information. It would depend more on what transmission the truck is equipped with than the engine. 3.73:1 was the most common in manual trucks (standard) with 4.10 being option). The TH 3.08 trucks came through with 3.08s with 3.73 & 4.10 being options.
that is all, period. the guide shows this in two places. you get one or the other and that's it. it all appears to come down to what engine and what series - C/K10 v. C/K20, etc.
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