Posted 8/4/2006 22:49 (#32757 - in reply to #32736) Subject: RE: which pwerchip for '97 ford powerstroke 7.3 for better mileage
Is that on the trip computer, or is it calculated milage? I put one on, and the trip computer said 4 to 5 mpg better, but when calculated it is around 1 mpg better.