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Gas or Diesel??

The Luke

Well-Known Member
Joined
Dec 12, 2010
Messages
4,209
So not dropping gears is a metric of being a good tow rig ?
If yes, we're ****ed.
Towing up a grade with a load and not losing speed or temperatures climbing is. My Chevy was horrible at both of those things. I know yours is a 3/4, so I’m sure it’s fine.
 

Jduck

Well-Known Member
Joined
Jan 11, 2011
Messages
1,030
Location
Athens, GA
Towing up a grade with a load and not losing speed or temperatures climbing is. My Chevy was horrible at both of those things. I know yours is a 3/4, so I’m sure it’s fine.

His is more likely to over heat the brakes because he has to slow down for everyone else in the way on those up hill climbs.
 

Bateman

Well-Known Member
Joined
Feb 2, 2021
Messages
58
Location
Woodville, AL
Hmm I kinda want to hit the lockup switch with a trailer up Mont Eagle now haha.

gotta be in OD or is 1:1 acceptable? I have no problem putting a post it note over my EGT gauge.
 

AWende

Member
Joined
Apr 3, 2015
Messages
8
I got a 8.1 and while it's definitely the best gasser I've ever used, it is nowhere close to a 7.3 powerstroke.

I'd like to try the 7.3 gasser but no way I can afford such a rig.

My setup a couple of weekends ago:

View attachment 149184

Tows at 75-80 on the flat. 50-60 in the hills of KY. 6 to 8 MPG depending on variables.
How much does all that weigh? I have an 01 8.1 myself, and sometimes my bumper pull 18’ enclosed seems too much for it. (Probably around 8k with the buggy in the trailer) I’ve wondered if a gooseneck enclosed pulls better in regards to aerodynamics…

edit: I saw it later in the thread. (12k)
 
Last edited:

AWende

Member
Joined
Apr 3, 2015
Messages
8
So for those with the 8.1s, how long do you leave it at 4k rpms to pull hills? I’ll do it for a few minutes at a time, but it it makes me feel a little guilty.
 

TBItoy

Well-Known Member
Joined
Jul 2, 2010
Messages
10,741
Location
Dodson Branch, TN
So for those with the 8.1s, how long do you leave it at 4k rpms to pull hills? I’ll do it for a few minutes at a time, but it it makes me feel a little guilty.
8.1 will run for years at 4K. 3K-4K is the powerband.

They use them running huge pumps at full load for days at a time, or cruising in big boats for hours at a time at full load.

But you're only getting about 2 mpg at full tilt!
 

AWende

Member
Joined
Apr 3, 2015
Messages
8
8.1 will run for years at 4K. 3K-4K is the powerband.

They use them running huge pumps at full load for days at a time, or cruising in big boats for hours at a time at full load.

But you're only getting about 2 mpg at full tilt!
Mine only has like 115k on the odometer, so I’m hoping to get quite a few years outta this truck. I just can’t justify spending the money on a diesel. Especially with today’s prices.
A83FDD82-5B76-4ABB-850C-0D23ECA5335B.jpeg
 

Bebop

Well-Known Member
Joined
Jan 27, 2013
Messages
1,812
So for those with the 8.1s, how long do you leave it at 4k rpms to pull hills? I’ll do it for a few minutes at a time, but it it makes me feel a little guilty.

Put that thing in 3rd and bury the gas pedal to the floor until you're at the top of the hill.
Edit : I religiously check my oil level at every gas stop.
 

AWende

Member
Joined
Apr 3, 2015
Messages
8
Put that thing in 3rd and bury the gas pedal to the floor until you're at the top of the hill.
Edit : I religiously check my oil level at every gas stop.
Im always on top of the oil level as well. Running mobile1 in it. It’s main function is towing. Are you a “run 91 or higher octane” believer?
 

Bebop

Well-Known Member
Joined
Jan 27, 2013
Messages
1,812
Im always on top of the oil level as well. Running mobile1 in it. It’s main function is towing. Are you a “run 91 or higher octane” believer?
87 all the way.

This engine has a 9:1 compression ratio when it was new 20 years ago. You don't need 91 or above.
 

alrider

Well-Known Member
Joined
Oct 18, 2011
Messages
382
87 all the way.

This engine has a 9:1 compression ratio when it was new 20 years ago. You don't need 91 or above.
My 8.1 used 2 quarts between every 3k mile oil change from the time it hit 60k miles until I got rid of it with 120k on it,never leaked a drop or puffed any out but you could count on it using oil
 

money_pit_yj

Well-Known Member
Joined
Oct 28, 2013
Messages
2,935
Location
Collierville, Tn
I just wanna know if money_pit_yj has made a decision yet after all the fine advice he has been given so far?
Nope. Plans changed already. Probably not buying a truck. If I were, I would run a gas burner. The diesel market in my are is ignorant. The biggest kick in the nuts is that most guys in this area driving a diesel don't pull loads big enough or often enough to justify it. I wouldn't either so I would just settle with the gas.
 

ridered3

Not Rigless
Joined
Jun 24, 2010
Messages
6,506
Location
Rockvale, TN
Nope. Plans changed already. Probably not buying a truck. If I were, I would run a gas burner. The diesel market in my are is ignorant. The biggest kick in the nuts is that most guys in this area driving a diesel don't pull loads big enough or often enough to justify it. I wouldn't either so I would just settle with the gas.
Feel like that's the case for the majority of any "modified" 3/4-1ton trucks in any area, not just yours.
 

TBItoy

Well-Known Member
Joined
Jul 2, 2010
Messages
10,741
Location
Dodson Branch, TN
I'll vouch that it is worse in west TN. Everyone is a "farmer" and every farmer needs a lifted 3/4t CCSB diesel.
I mean, that's where Rough Country "We get you lifted for Less" is based...
 

ridered3

Not Rigless
Joined
Jun 24, 2010
Messages
6,506
Location
Rockvale, TN
I'll vouch that it is worse in west TN. Everyone is a "farmer" and every farmer needs a lifted 3/4t CCSB diesel.
I mean, that's where Rough Country "We get you lifted for Less" is based...
Had forgotten about all the west TN "farmers" as opposed to the big wheel/tiny tire 3/4t CCSB diesels around my parts of middle TN.
 

dwa2469

22RTE Buggy,LC Axles,39 reds
Joined
Apr 13, 2014
Messages
1,308
Location
Tullahoma, TN
Mine only has like 115k on the odometer, so I’m hoping to get quite a few years outta this truck. I just can’t justify spending the money on a diesel. Especially with today’s prices. View attachment 155039
My Boss has an 02 model with 8.1, that has 380,000 on it and he tows a a 30' horse trailer regularly with it! He bought it new!
 

jwilson645

Well-Known Member
Joined
Dec 11, 2009
Messages
922
Location
Morris, AL
You guys with the 6.0LS, have you made any mods to the engine or trans for towing? I pull a 37' travel trailer with my 2008 2500HD and so far I've only upgraded my trans cooler but been thinking about changing out the cam. The fact that it doesn't really "go" until it hits 3k rpm due to the VVT has always bothered me whether loaded or empty. When I mash it, I want it do something.
 

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