Quote:
Originally Posted by special-K
Trucks had 3.08s, not that it's a big difference. Most C/10s with automatic transmissions came through with 3.08s. I'd do the overdrive transmission first, then see what you think.
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I'm pretty sure I looked up the codes on both of my 1970 C10 rear ends and they came back to 3.07. I found several different links to gm charts and all came back to 3.07. Here's one chart but the one I saw before had a lot more info on it.
http://www.348-409.com/differential.html