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View Full Version : More MPG for AFM Silverado's.


waterbug1999
May 3rd, 2009, 12:23 PM
I have a 2007 and I want to try to improve the MPG. Has anyone had any success doing it? If so, what was changed? Thanks.
GMPX
May 3rd, 2009, 02:11 PM
Around town AFM isn't going to be the answer, is this where your complaint is?
waterbug1999
May 3rd, 2009, 02:19 PM
Around town AFM isn't going to be the answer, is this where your complaint is?

I know around town its going to suck.

I just remember last year I saw a thread somewhere (don't know if its was here or somewhere else) about picking up some MPG with a small trans tune. And then after reading somewhere else they were talking about changing some % and TPS % a little to have V4 stay engaged longer. I want to try it but dont know what to change and b how much.
1meangto
May 29th, 2009, 04:29 PM
LEAVE THE TRUCK ALONE lol
waterbug1999
May 30th, 2009, 12:13 PM
LEAVE THE TRUCK ALONE lol

neva mikey!!!


I tweaked it and picked up 1.5-2 mpg from I can see. I might go a little more on the the AFM & TPS table and see what it does.
1meangto
June 1st, 2009, 10:09 AM
thats good to no jody I'll have to try that