Reviewed By Paul H (Jacksonville, MO) Reviewed for a 1996 GMC C/K 1500 —6/29/2011 8:01 PM
Instantly, I could tell a difference. A noticeable increase in throttle response and power. Going uphill, she doesn't seem to downshift as often when in overdrive. I was getting around 15-15.7 mpg in town. Last tankful it increased to 16.2. (can't wait to check again, as I'll be lees heavy-footed. Doesn't seem like much but that was doing a lot of in town driving. I can't wait to get her on the highway.