Depending on the differential gear ratio, anywhere from 17 to 19 mpg.
15 to 18mpg
look under the hood. there should be a label that tells what kind.
I have 1 and I'am getting 14 to 15 mpg In city, trying to find ways of improving the mileage of it
R134a
5w30
5.7 liter vortec.
being a 454 it doesn'y get any kind of fuel mileage
I have a Chevy 1 ton box truck with 350 vortec 400 turbo trans and and 4.30 gears with 16.5 dually tires that gets 10mpg no matter what loaded ,unloaded ,uphill downhill ,whaterver
4L60-E
Obd ii
long life
4L60E / 4L65E transmission.