Quote:
Originally Posted by Mr_Brian
Do you notice any difference with gas mileage? I mistakenly put 75-140 in 1 of my other cars and the drag from the rear diff in the cold was extremely noticeable.
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I don't track my mileage that closely. All I know is that I got better mileage with my C8 than I do with my GR86 despite having less than half the power.
