I have had the Xcal2 from Troyer installed on my truck and i have been extremely happy with it. I am thinking of installing a Rancho 4" lift and bigger tires on the stock wheels. what do i need to change in the tuner to accomodate this?

 

Tire circumference (as defined by revs/mile) - in the custom settings menu....

 

Find out the revolutions per mile of the tire you decide on then change the tire size in the XCal. Are you considering re-gearing? You may call Mike and ask if he recommends tweaking the tunes as he does a lot with re-mapping the transmission and torque converter behavior and all that may be affected by the bigger/heavier tires.

 

Check out the tire manufacturers website and find the revs per mile of the tire you want.. then enter the revs per mile into the XCAL2.

Easy.

 

thanks for the help