mpg lost

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Nov 10, 2012 | 11:27 AM

#16

tomfiii

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Joined: Oct 2006

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mpg

My '99 f250 SD 4.10 rear,went from 235/85R 8ply to 285/75R D rated Daytons MPG did not show almost no change with 1" taller tires.

Nov 10, 2012 | 12:19 PM

#17

luke2233

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Joined: Nov 2012

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As for triggering the TPS, yep that can happen. was running the stock tires at max PSI since I was pulling a trailer. It was the middle of summer and as the PSI increased in the tires down the road the TPS faulted. Was that way the whole time until the trailer was taken off. New tires I put on run even higher PSI so when pulling the trailer it is some thing that I just have to live with

Nov 10, 2012 | 01:34 PM

#18

QwkTrip

Cargo Master

Joined: Apr 2007

Posts: 2,659

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Quote:

Originally Posted by tomfiii

My '99 f250 SD 4.10 rear,went from 235/85R 8ply to 285/75R D rated Daytons MPG did not show almost no change with 1" taller tires.

That's because your mileage sucks didely ucks anyway. These new 1/2 ton trucks are sensitive to rolling resistance and wind. Playing with rolling resistance will be noticed.