'84 K10 getting 8.9mpg....is this normal?

[USSkoval]

Originally Posted by dman1982

i just drove my 84 from jacksonville nc to south of the boarder sc, and i was getting 10 to 11 on the high way and i get a little better when im in the city, kinda wierd...running 35's with a six inch lift

Sounds like you need steeper gears. You have a 700r4? If your gears are too tall it will lug it down on the highway too much, causing a drop in MPG.