What rear end does it have? I had a '90 superduty with 5.13 rears that got 10MPG, but it was turning something like 2500RPM at 60 MPH and towing 12'000lbs. I have a friend with a '93 I'll ask.

 

Unsure of RearEnd gears. On 350 Dual 350 Dump truck

Unsure of RearEnd gears. On 350 Dual 350 Dump truck.

The truck was used by NY road Dept. Has Lift Gate and Dump Body.

 

Prob. 4.10's, thats what my friend has.

 

I tallked to my friend, he gets about 17-18 empty. He has a super-cab 2WD auto F-350.

 

Dang man, That's great.
6.0 Guy here, I have always liked the IDI, I try and catch most of the threads.
I tell myself one day I will sink one in an old Scout I or II.

Didn't mean to :hijack: Go on please.

 

dang i cant get better than 11mpg and i have a 97. that sucks

 

years ago i had a 7.3l idi 4x4 f-250 4 speed manual with no od and 4.10s it saw around 17 mph(imperial) So around 15 mpg u.s empty.

 

I had a93 f250 4x4 5speed 7.3 with 3.55 gears got 19mpg 1800rpms at 65 k&n air filter straight pipe exhaust

 

I get around 14 with the lift and 35" tires and the pump turned up

 

i used to own an 1985 F-250 with 7.3 IDI from an 1989 and had a 3 speed C6 tranny with 4.10 rear end. got 16mpg without a whole lot of effort. i wasn't to hard on the throttle.

 

hey i got a 94 f350 1ton 5spd manual and get roughly 13-15 depending on traffic and if i press it. im usually runnin on 13 most of the time tho. hope this helps, have any more questions hit me up

 

yeah i have to agree with shotgunner682 i get about 14 avg.

 

that would be cool an old scout with an old 7.3l idi

 

14 city
20 hgwy

towing 8k# in the mountains its 10-12....still better that the wife's V10 exc.

 

ok i got a 1ton with a 5sp manual that has 4.10 gears and a 7.3 non turbo idi
and im getting roughly 10 miles city and 13 in highway when i do 65 or 70 cause any higher im runnin close to 3000 rpm

 

3k rpm?? that is too high.

 

Mine is a 94 Turbo, auto with 3.55 gears 2WD, 194-K MILES! Only had it a week with new 4" exhuast and on the first tank that I have run through it, Ii am comming up with right at 16 in town and hwy., but I am still enjoying my new exhaust system! :thumb: Hope to get up around 18 or so after the new wears off!

 

1990 F250 2wd 7.3IDI non turbo, 3.55 gear stock with 312K on the clock. It gets 20mpg empty hiway & 15mpg pulling the 20ft car hauler. I do keep it under 65mph.

 

I just got my truck up and running. ran 23 gallons worth of fuel through it.
Came out to a 17.1 MPG. that's city driving/Highway driving. with some minor towing and hauling....
Oh ya, 92 f-250 7.3 w/Banks sidewinder kit. Extended cab 4x4 auto....

 

ya my numbers were to high for my rpm
im runnin a lil over 2500 at 70 i got 4.56 gears im pretty sure

 

1992 f250 non turbo 4x4.22.7 mpg on the highway not going over 65 mph.bad news is i get about 12 mpg in town driving.

 

i just changed my fuel filter and water separator filter, engine oil/filter, tranny oil/filter, transfer case oil, diffs oil, and rear greased all my nipples on the truck and serviced everything else as well and it went up from 14town/16highway to 17town and 20/highway... i have never seen blacker nor thicker oil in my whole life LOL...

 

i have a 1990 f250 non turbo with 491,000 kms and i get around 23 mpg US not imperial. doing no more than 100 km ( 60mph) on the highway.

when i have the truck loaded to about 11,000 lbs Gross combined weight i get around 14-15 on the highway. going about 90-100 kms.

 

My 90 with 4:10 gears and a 5speed gets about 17 riding around town. I got dual straight pipe exhaust and a "different" air intake.:nod:

 

fyi ... i took my 93 f450 dually PS 7.3 on a 400 mile round trip in one day thru the crazy mtn pass in BC Canada (i hate with a passion ( no other road to get there )... your either going up or down 6-8 % grades for long stretches towing a 16 ft tandem axles trail king trailer 14 gvw and got approx 15 mpg ...nopt bad considering the insane road i was one .... did i mention i hate that road ( eyes rolling) it handled it with ease .........

hope that helps

 

That route really does suck. We usually travel it once a year to Edmonton and back from vancouver.

 

Mine gets a solid 15 mpg. It's a 94 idi turbo, auto, 4x4, crew, flatbed, and stock size tires. Have no idea what the rear end is.