See now I'm confused, as I thought Chevy followed a strict pattern with their S-10 diff's...
4.11 for 2.2 + auto
3.73 for 2.2 + 5spd
3.43(.42? .45?) for 4.3 + auto
3.07(.10? .08?) for 4.3 + 5spd
That's what I saw, somewhere. Maybe in my service manual, although that was 98-03.
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