picking out pizza cutters - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 3 (permalink) Old 05-02-2008, 06:38 AM Thread Starter
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picking out pizza cutters

It is time to replace my BFG AT 33x12.5r16.5 with some economical shoes. Looking at factory take offs even 2005+ wheels with a spacer. I know that keeping my hwy rpms below 2K is the most important thing. My OD gear is .71:1 and I wont be changing my 3.73s. I run 60psi in my tires and use the "race" mode on my chip and only use my pinkie toe to depress the pedal seems to be the most efficient setup.
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post #2 of 3 (permalink) Old 05-03-2008, 01:48 AM
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Re: picking out pizza cutters

The most fuel efficient size is either 235-85x16 or 265-75x16. Theoretically the 235s should give better MPG but I never noticed any difference.

Supposedly the Michelin "XP Rib" tires are considered Low Rolling Resistance tires. I cannot confirm.

2000 F-350 SC 4x2 6 speed
3.08 gears Gear Vendor Overdrive
Slammed 4"
Rugged Air Dam
315,000 miles
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post #3 of 3 (permalink) Old 05-03-2008, 03:50 AM
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Re: picking out pizza cutters

i have never really tried to get better fuel mileage but I have ran 255-85x16 265-75x16 285-75x16 and never reallly noticed that big of a difference between any of them.

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