Gears and MPG
#1
Gears and MPG
so now that lockers are hitting the market I'm going to be picking up one for my truck and I think I want to change gear ratios also while I'm at it...
I've heard of people going to 3.90 and 4.10s with the 6L80E and actually not hurting MPG...
If that's true I'd love to go to at least a 3.90 gear (have 3.42 now) what do you guys think, does the 6spd not lose as much mpg as the 4L60E did with a lower rear gear?
I've heard of people going to 3.90 and 4.10s with the 6L80E and actually not hurting MPG...
If that's true I'd love to go to at least a 3.90 gear (have 3.42 now) what do you guys think, does the 6spd not lose as much mpg as the 4L60E did with a lower rear gear?
#7
TECH Junkie
Not apples to apples but my 99 with 3.90s and .7 od got every bit as good as with the 3.42s and was WAY quicker. My 14 averaged exactly 20mpg driving 80-85 from Austin. It got exactly 21 going to Austin driving 75-80. Slower than 70-75 doesn't do as good. I think gears would be a good move.