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hawk259

Rear End Gear Change increase MPG?

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With all the recent post about MPG and 2017 stuff, I decided to post something I have been wondering for a while.

 

What if you replaced the 3.54:1 V8 rear end gears with the 3.36:1 V6 rear end gears?

 

I am sure the 3.54 gears are better for towing, but if you never/rarely tow would the V6 gears get you better MPG?

 

My thinking is that the 3.36 would allow the V8 to run at a lower RPM on the freeway (less than 2.5k at 70mph), so it would get better MPG.  No idea how much it would hurt acceleration, both standing still or rolling.

 

Granted, I have no idea how to do this with out voiding the 5y/100k warranty.

 

Thoughts?

 

Brian

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