If you're worried about your speedo being off after doing 37's just go for a drive with a GPS on and see what it says your speed is at normal highway speeds around you. Mine ended up 1mph fast. I can live with that.
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If you're worried about your speedo being off after doing 37's just go for a drive with a GPS on and see what it says your speed is at normal highway speeds around you. Mine ended up 1mph fast. I can live with that.
did you recalibrate yours?
No, I was making a joke initially. My speedometer actually read way closer to accurate with the 37s. Rms8 has other opinions on the matter though.
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If I can run 37's without having to make any modifications to prevent rubbing, I am in. Is that possible?
If your speedometer is off, isn't your odometer off as well. I'd be curious if you showed up at a Ford dealer for warranty issues with 37" tires and 35,999 miles on your odometer if they'd make a big deal about your odometer being off due to larger tires. I would suspect that by not calibrating the truck's speedometer for bigger tires, it could potentially affect your warranty coverage.
Not that I'd care, but something to think about.
^If someone at the dealer actually noticed this and thought it would save them a penny, they'd do it.