2000 Chevrolet C3500 7.4L Vin J What programmer?
Posted: Sat Mar 31, 2012 8:52 am
Have 2000 chevy 3500 w/ 454 or 7.4L Vortec. Only 103K miles, but seems to have a lack of power since I have been driving diesels. Mileage has been 8 to 10 mpg since it was new. Can I reprogram it to get some better mileage, if so, what unit do I need?