blackpitbull4x4
10-16-2008, 12:32 AM
I have a 93 f250 with 7.5 E4od bw1356 and sterling 10.25 i just added 110r16 michelin xl tires and have heard i can adjust the speedo from the dash but can only be done a couple times. Does anyone know if this is true or do i just need to buy the superlift calibrator. thanks:confused: