ADJUSTING SPEEDOMETER AND ODOMETER FOR BIGGER TIRES

[boconnor116]

Has anyone ever used a Hypertech Inline Speedometer Calibrator to adjust for bigger tire size on their truck? Was initially looking into doing it with forscan but hearing there’s a limit in forscan that won’t let you set the tire size up to 33’s (even tho you can get close). Just wondering if anyone’s ever used one of these inline ones if they actually work or if there are any issues with them

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[Deepsea619]

My local ford dealership said it would let you select a larger tire. That is odd...

 

[boconnor116]

My local ford dealership said it would let you select a larger tire. That is odd...

Apparently with the 25’s, forscan has a limit set at (I think) 2480mm. The 275 70R18’s are higher than that

 

[Deepsea619]

I have a 2024, maybe thats why.

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