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final gear ratio mpg affect

563 views 1 reply 2 participants last post by  T6Rocket 
#1 ·
How much do final gear affect mpg? Say from 3.13 to 3.73? Cruising of course
 
#2 ·
I don't think the odo and speedo would even read correctly to measure the difference. They are going to read very high, unless you can find the correct gear for the trans.

Gas mileage is always a little worse with shorter gears. You may find yourself "skipping" gears to avoid shifting so often on your way to 6th, a gear you will spend a lot more time in than you used to.

Al
 
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