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Towing Gas vs Diesel

PuddleJumper

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I'm not saying it's going to damage the engine, just the experience of driving the gas engine vs the diesel's massive low end torque.
Oh I hear ya. I'm just saying the lack of comfort behind driving the gasser for some owners is generally unfounded. But at least we have the options regardless.
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AOGAudiman

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The diesel tows phenomenal...until you come to a mountain pass. I absolutely adore this diesel Glady, I just need to figure out a good quality, reliable oil cooling upgrade. I did not know the diesel ran so hot until AFTER I purchased. But I still wouldn't have bought a gas Glady, the diesel is just that good. In your position, if you've already got your rig exactly how you like it, I don't know if I would trade for a diesel, unless you can swap all your mods over to the diesel 😀

Jeep Gladiator Towing Gas vs Diesel 20240706_154318


Jeep Gladiator Towing Gas vs Diesel 20240607_173628
 

PuddleJumper

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The diesel tows phenomenal...until you come to a mountain pass. I absolutely adore this diesel Glady, I just need to figure out a good quality, reliable oil cooling upgrade. I did not know the diesel ran so hot until AFTER I purchased. But I still wouldn't have bought a gas Glady, the diesel is just that good. In your position, if you've already got your rig exactly how you like it, I don't know if I would trade for a diesel, unless you can swap all your mods over to the diesel 😀

20240706_154318.jpg


20240607_173628.jpg
I wonder if you can make a better custom version of this?

https://bulletproofdiesel.com/products/bulletproof-supplemental-cooling-system-2021-2023-jeep-diesel


maybe rear mount the cooler and gain some oil capacity with the extra line length?
 

AOGAudiman

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That Bulletproof unit is probably the one I'll have to try first. I'm not convinced the gains are really that much, but I'm willing to give it a try at it's not too expensive. I'm just curious what considerations need to be made to make it work with a steel bumper and winch.
 

PuddleJumper

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That Bulletproof unit is probably the one I'll have to try first. I'm not convinced the gains are really that much, but I'm willing to give it a try at it's not too expensive. I'm just curious what considerations need to be made to make it work with a steel bumper and winch.
I just shared it for the concept. I don't like where they mount it or the fact it has plastic endcaps. But it does prove its easy enough to add an additional oil cooling loop. So depending on where you put it, it could be much larger. This will up your oil capacity which also helps with cooling and you could put an electric fan on it for even more gains. I think the problem stock is that there isn't enough room to fit a larger surface area cooler and there's limited air flow. Plus the heat soak in that tiny ass engine bay is brutal.
 

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biodiesel

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You stock to get those kind of miles?
As far as I know, the only truck that is still 100% bone stock with over 400,000 miles is RussellandCissy. His truck had 433,323 miles the last I checked.


400,000 Mile Club
Ramdriver501 (truck #1) - 410,000 miles (engine and truck) - Totaled
VernDiesel - 423,000 miles (engine) - Cracked Head
RussellandCissy - 433,323 miles (engine and truck) - Still in Operation

450,000 Mile Club
James - 452,000 miles (engine) - HPFP Failure

500,000 Mile Club

Tyler_R - 510,000 miles (engine and truck) - Still in Operation
Muzzerall - 517,403 miles (engine, transmission, and truck) - Unknown
 

Ericshere03

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As far as I know, the only truck that is still 100% bone stock with over 400,000 miles is RussellandCissy. His truck had 433,323 miles the last I checked.


400,000 Mile Club
Ramdriver501 (truck #1) - 410,000 miles (engine and truck) - Totaled
VernDiesel - 423,000 miles (engine) - Cracked Head
RussellandCissy - 433,323 miles (engine and truck) - Still in Operation

450,000 Mile Club
James - 452,000 miles (engine) - HPFP Failure

500,000 Mile Club

Tyler_R - 510,000 miles (engine and truck) - Still in Operation
Muzzerall - 517,403 miles (engine, transmission, and truck) - Unknown
It’s looking like if you use the truck and push the motor and take care of maintenance, your good for a while… babying and city driving may kill the motor faster than loading up a trailer and hot shotting it across the country.

Wonder how many high mile-ers are tuned, obviously stock can put down some miles according to that list
 

Ericshere03

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I feel like a lot of people have a idk, unfounded fear, about revving out a motor. Hell I use to be the same way. Keep it under 3 or it will blow up, is what I was taught. Then I got into some track racing, then motorcycles, and boats, and anything motor related. There are plenty of instances where you can cause a failure if your riding the RPMs in the higher end. IE boost control line comes off, money shit in a manual, injector failure, etc. But for the most part I learned that most all motors are designed and can be at any rpm throughout its range with no issue. The rev limiter is their to keep it safe, everything under it is fine. There's not a day my gladiator sees where i don't hit redline. I have no issues with holding at 4-5k for 10 mins or longer as long as the temps stay where they are suppose to. In all honesty the avg joe does more damage running it low rpm over short distance. A situation in which the motor never gets up to its optimal temp and load. I've had plenty a used car running rough, And it straightened itself out from a lead foot for 2 hours.
Own an old Chevy 350 during the emissions years, flat tappets, cast junk low compression motor, emissions stuff up the wazoo … highway 3000-3500rpm. That’s not even a “performance” gear, my 1980 corvette had 3.07 gears and 4 speed manual without OD (automatics also never had OD) … rewind 10 more years and you could get a high performance big block with 4:11 gears, and guess what, also no OD.

Point is these modern engines with all their precision machined parts and better materials, better oil, better filtering, blah blah blah … RPMs aren’t the enemy.

PS: in my experience these old junk iron engines (like the 4.0) are VERY reliable with modern gaskets, oils, coolants and proper maintenance…
 
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DesertGladiator

DesertGladiator

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Some awesome opinions here and although I absolutely have diesel envy, I suppose I'll stay put and maybe bump up to 5.13's as suggested earlier. Appreciate everyone's input.
 

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Sweetums

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Own an old Chevy 350 during the emissions years, flat tappets, cast junk low compression motor, emissions stuff up the wazoo … highway 3000-3500rpm. That’s not even a “performance” gear, my 1980 corvette had 3.07 gears and 4 speed manual without OD (automatics also never had OD) … rewind 10 more years and you could get a high performance big block with 4:11 gears, and guess what, also no OD.

Point is these modern engines with all their precision machined parts and better materials, better oil, better filtering, blah blah blah … RPMs aren’t the enemy.

PS: in my experience these old junk iron engines (like the 4.0) are VERY reliable with modern gaskets, oils, coolants and proper maintenance…
The 4.0 is legendary for its reliability and disability. I'm pretty sure the first production engine was used to build the pyramids in Egypt.
 

Ericshere03

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The 4.0 is legendary for its reliability and disability. I'm pretty sure the first production engine was used to build the pyramids in Egypt.
Close, it was the 4.2 liter version, the 4.0 came way later … roads of Rome were built for the higher speed made possible with the 4.0
 

Labswine

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I LOVED the 4.0L I-6 I had in both my '93 and '96 ZJ Laredos. I could tow a 5K (on the trailer) boat with zero issues (NO trailer package on either, just an added U-Haul receiver and spliced in flat 4 plug). Plus, I could get it outta the water at any boat ramp in 2H. I had a '96 Ram 1500 Extra Cab 4x4 (beautiful truck when it actually ran...) with the 5.2L V-8, that when I towed same boat, it blew out the transmission the first time I went on a long tow with it (S.E. Mass to Lake Winnepesaukee and back) and, with that truck, it was the tail wagging the dog...I could pull the same boat outta the water in 2H with my ZJs but had to put that truck in 4L to do the same job.

That straight 6, 4.0L, was da bomb!!! My '93 I took to 110K miles when I (stoopidly) sold it to buy that Ram, and my '96 went to over 240K when I donated it to charity only because the AC had died (second compressor) and I was having electrical issues with the windows and after over 240K, it was time to say buh-bye (sadly).
 
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Stan H

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As far as I know, the only truck that is still 100% bone stock with over 400,000 miles is RussellandCissy. His truck had 433,323 miles the last I checked.


400,000 Mile Club
Ramdriver501 (truck #1) - 410,000 miles (engine and truck) - Totaled
VernDiesel - 423,000 miles (engine) - Cracked Head
RussellandCissy - 433,323 miles (engine and truck) - Still in Operation

450,000 Mile Club
James - 452,000 miles (engine) - HPFP Failure

500,000 Mile Club

Tyler_R - 510,000 miles (engine and truck) - Still in Operation
Muzzerall - 517,403 miles (engine, transmission, and truck) - Unknown
I got 97,500 on my 3.6L and it still runs strong I had it reved up over 4000 quite a few times just today was off roading every day this week. I put a minimum of 125 miles every day on it . I don't tow a whole lot more than my pop up camper a couple times a year or a rack of firewood and camping supplies. I say keep the Gasser!!
 

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Another thing that was not mentioned (I think) is that in some instances you lose 1,000 lbs. towing capacity by going with a diesel. At least when compared to a JTR. From a Mojave auto to a diesel it's a wash.
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