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Should say bumper and then not than

The point I was trying to make about adding more weight to a diesel makes the engine work harder is that diesels like to work hard and its good for the engine. Almost creates a passive regen situation. I have 37 inch tires with 3 inch lift and bedrack and evo rock sliders and steel pumpers...

I have 27000 miles on my diesel and GDE tuned wnen first became available for gen 3 engines. I have had zero issues. Running 37 tires but went to dealer and had them adjust the software at dealer before I had it tuned for correct speedometer. Just brought my truck to dealer in New York for...

37 inch nitto ridge grappler tires on 18 inch rims. 3 inch lift. Bone fish half bed rack. Hard shell tent. It seems the more weight you add to the jeep within reason the more work for the diesel engine. Some might say Passive regen happening. good for the engine to make it work.

I had my JT Diesel tuned by GDE last fall as an early tune. Things you notice after the tune are more torque and horsepower immediately. It sounds more like a diesel now. Most importantly it runs off the low pressure EGR about 95 % of the time except warm up uses the high pressure EGR. So...

You are in very good hands. Please post how you like the tune and your improved gas mpg. in addition if they gave you the hand held to tune the transmission let us know please. At 70 mph when you step on it she really throws your head back.

Well I have had the GDE tune on my gen 3 2021 gladiator diesel rubicon for over a week now and it’s worth every dollar. First that irritating noise when shut off vehicle is gone. The truck has more get up and go. The gas mileage is about 3 mpg better. And every time I drive it I know it’s...

Mat mentioned that it is a package because with the EPA they would have to apply separately for approval so by having a combined package only needed one approval as I understand it.

The speed was 70 mph mostly. Sometimes slightly faster but only to pass other cars. The tune gave me 3 mpg better when I was only doing 20mpg with the lift and tires. So about a 15 % improvement. But the real reason I did the tune was to have the engine run cleaner and last longer. But the...

The engine and transmission tune are a package for 1100. I suggest if you get the tune to always do the transmission as well.

Just had Keith and Mat from Green Diesel Engineering tune both my engine and transmission on my 2021 JT gladiator rubicon diesel. It was an early tune. Drove 10 hours from NY to Michigan. I was getting 20 mpg now getting 23. I have 37 tires with 3 inch lift and bed rack with hard shell tent...

When you say that GDE uses the low pressure EGR 99 % time does that mean they shut off the high pressure EGR and are now using only the cleaner exhaust all together?

Yes installed them about 2 months ago. Rock Krawler did a 3 inch lift and I replaced factory shocks with falcon 3.3 adjustable. I have the fronts set at easy or soft and the rear set at firm. There are 3 settings. rear is firm because added weight of hard shell tent and bedrack. Honestly...

I have a 2021 jt gladiator rubicon on 37 nitto ridge grapplers on stock gearing . I have no plans on regearing. On my stock 33 tires i could go anywhere on the NYS thruway at 65 mph and she would stay in 8th gear no matter the hill. Now i have 37 s and a bed rack and HEO HARDSHELL TENT and...

I have a 2021 JT GLADIATOR DIESEL RUBICON still with stock suspension and purchased steel bumbers front and rear and obviously stock springs tuned for heavy diesel engine. But added warn zeon winch then rear bed rack and rooftop tent and 37 nitto tires. All extra weight and now the rear is...

Its called KROWN and u can google search. I drove 3 hours to have Jim do it. He came highly recommended. I plan on having my truck lifted in spring. I would rather have bolts come off easy and no rust. I traded in my 2018 JL RUBICON which i just loved but never rust proofed it but after its...

Just had my 2021 JT GLADIATOR DIESEL undercarriage known sprayed for rust protection. Very common in Canada because they know all about salt and rust. Jim Falcone 315 292 8838 out of KROWN OF UTICA RUST PROOFING owner. It is done annually and costs under 200 dollars but varies depending on...

Also double check all the fuse. Many of mine were loose and dealer popped the heed and pushed many loose fuses down you could hear them click into place. Seems to be common. Check for loose fuses. Pop hood just in front of battery. I watched dealer click them into place. Common with diesels.

Also keep in mind that I chose the 12.5 wide in 37 inch nitto ridge grappler because the wider the tire the worse in rain and especilly snow. They start to float on top of snow. 38 inch ridge grapplers move up to minimum 13.5 wide so I stayed with 37. But many on forum running 13.5 and they...

The width is 9.5 inches and offset is 4.5 or -18