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80 300SD differential
I am tossing around the idea of swapping my 3.07 diff with a 2.88 out of a newer diesel or maybe even a 2.47 out of one of the V8's. I am not concerned about acceleration, I am considering fuel economy and noise redux. a higher top end would be a plus as well. my question is has anyone ever done this, and if so what were the results in speed/rpm difference?
right now I am running about 70mph/3.3krpm
verdict is still out on MPG due to recent fuel leak location and fix, but it was getting 23-25 mpg before.
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11-14-2007, 10:25 AM
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