98 z71
kads
08-31-2007, 03:36 PM
i have the 5.7 engine and only get around 13.5 to 14 mpg what doy you guys get mpg??
dcmaynard
08-31-2007, 10:20 PM
Well I just baught my 97 5.7L and I am getting just about the same
taillight
09-01-2007, 09:36 AM
I bought my 98 new and am getting 20 on the highway and about 16 in town. There were 2 axle ratios 3.42 and I think 4.11 but not sure any more. The Z71 all had the higher ratio. I took the lower one and have never been sorry.
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