Which tuner to change tire size and add a tune? - Ford F150 Forum - Community of Ford Truck Fans
ZL1 diff swap and speedo calibration in HP Tuners - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com
HpTuner Tire size change/Speedo Cal - CAMARO6
Update Tire Size using HP Tuners | This Tech Tuesday video will show you how to upload and download a tune file as well as changing tire size using HP Tuners