Thread: What would give better mpg? Taller gears or OD?
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Old 12-03-2005, 09:25 PM   #12
79BIG10
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Re: What would give better mpg? Taller gears or OD?
Quote:
Originally Posted by SlapFish
I don't know much about the rear ends GM used, but mine tells me 3.08, not 3.07.
I believe that they changed from 3.07 to 3.08 somewhere in the years. Mine came with 3.07 printed on the glovebox spec sheet.
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