The 
has bought her 2nd z71 Ls it has the smaller v8.
this thing is weak as a new born colt and the fuel milage is not anything to write home about 14-15mpg
my question is has anyone found a programmer or performance set up that will improve the performance of this truck without killing the fuel milage.
She doesn't tow anything heavy. bass boat, utility trailer normal crap. but this thing suffer's just pulling itself.
I feel like they have gm has just put to much overdrive on it My thoughts were just a slight gear reduction.
One day she will listen to me and buy a cummings.
23.5 mpg on the way to see her mom north of chicago. in a 10500lbs 4x4 3500.
Why wont they just build a half ton deisel. the
thing would get over 30mpg without trying
has bought her 2nd z71 Ls it has the smaller v8.this thing is weak as a new born colt and the fuel milage is not anything to write home about 14-15mpg
my question is has anyone found a programmer or performance set up that will improve the performance of this truck without killing the fuel milage.
She doesn't tow anything heavy. bass boat, utility trailer normal crap. but this thing suffer's just pulling itself.
I feel like they have gm has just put to much overdrive on it My thoughts were just a slight gear reduction.
One day she will listen to me and buy a cummings.
23.5 mpg on the way to see her mom north of chicago. in a 10500lbs 4x4 3500.Why wont they just build a half ton deisel. the
thing would get over 30mpg without trying