Small dia rear tires, reprogram?

[04.5cummins]

Hi all-

Just installed my Race Star Wheels, w/315-17 Nitto DR's. The new tires are smaller in diameter, please advise if anything needs to be reset?

Regards,
Gary

 

[Shaker1]

Hi all-

Just installed my Race Star Wheels, w/315-17 Nitto DR's. The new tires are smaller in diameter, please advise if anything needs to be reset?

Regards,
Gary

You can find calculators online for tire size (diameter) conversion to revolutions per mile. The Xcal3 allows you to make this change when a tune is loaded, if user adjustability is turned on in that tune. I'm sure other tuning devices offer similar capability.

 

[04.5cummins]

You can find calculators online for tire size (diameter) conversion to revolutions per mile. The Xcal3 allows you to make this change when a tune is loaded, if user adjustability is turned on in that tune. I'm sure other tuning devices offer similar capability.

Thx Shaker1

Please advise guys, I know some of you have put smaller dia DR's on your car.

Thx in advance,
Gary