Reviewed By Scott W (Laura, IL) Reviewed for a
Chevy C/K 1500
—5/2/2012 8:53 AM
I have a 99 Chevy 1500 4x4 4.8L V8 with a 3in. lift I was getting just barley 9 MPG with this programer and with a differnet exhaust I am now getting 14 to 15 MPG.
Reviewed By Carlos M (DERBY, CT) Reviewed for a
—6/10/2015 8:34 AM
I bought it hoping I'd get better MPG's by using the 89 tune, I don't really see a difference in fuel consumption, but it made a HUGE difference in power! I'm loving it!