anthony57

Trying to find out if I am getting good full efficiency. Truck has new spark plugs, new fuel filter, K&N air filter, new tires. Drive without a lead foot. Filled up the tank and got 220 miles from a full tank. Does that sound about right?

qdeezie

How many gallons is your tank?

anthony57

It's a 16 gallon tank

wde3477

Eh, how many gallons did it take after you travelled 220 miles?

Sounds like you're getting in the upper teens, anyway. I'd call it good, for a vehicle that has all the aerodynamic efficiency of a brick wall. :-)

f150cam

hes getting roughly mid 13s if he used 16 gals in 220 miles. little on the low side for a 150, but he could be getting better.

qdeezie

I think that mpg is kinda low. If you haven't changed out your trans fluid and differential fluid (75w-90 if you're not constantly towing or driving hard) to a quality synthetic, you might want to give that a try.

Also 5w-30 motor oil will give you a bit of a lift if you're not already using it. Have you done anything with your distributor cap, rotor and wires?

devenfx4

My 95 4x4 with the 5.8 gets 250 with a 14 gallon fill up. That's with 3.55s in the rear and 31s

eyesman2

Do this tune-up and your mpg should improve http://www.fullsizebronco.com/forum/...ad.php?t=63592

anthony57

Haven't messed with the cap, rotor, or wires yet. Filled up again and got 14 gallons this time.

anthony57

How much would it help if I upgraded the exhaust?