Mopar Diesel Gladiator Part #: 77072469AC 2” lift

PackMule

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BEERviper said:
....I will be towing a ~3,500 lb camper 7-10 times over the summer and would think the triple rate springs would serve my purposes better... Thoughts?...

ssteve said:
...get a good weight distribution hit(ch) and some type of rear extended bump. Timbrens would work or you could do hydronic or air bumps and adjust them accordingly...

I would ditto the response above. Just getting my JTRD tomorrow and starting the build, targeting similar activities... 3500lb trailer, kayak rack or hardtop, etc. The local 4x4 shop I'm working with in Western Montana recommended Timbrens might be a good option for me as well. Also in the manual Jeep recommends weight distribution hitches with anything this heavy.

I'm going to take this stepwise:
1) Measure stock clearance
2) Add 35's and measure again
3) Add the weight... including kayaks and trailer... and measure again.

Then based on that figure out what size lift, and potential other suspension mods will be optimal to get me back to good daily driving and max loading.





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guarnibl

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For those with the kit how does it drive compared to stock? And specifically both in terms of ride quality and bump steer...

I do not prefer the Mopar stuff for suspension and would prefer to piece together a kit (i.e., King 2.5's with adjusters + springs + arms) but that's proving difficult given lack of spring options out there. So I might have to buy it for now and sell it later.

If I try to piece something together -- can I just add a spacer to make up for difference between diesel and non diesel springs? Or will it ride worse than the Mopar kit? I assume the King 2.5 valving is decently stiff as well -- but do you guys assume that shocks need to be valved for Diesel JT in order to provide a good quality ride?

Just picked up the JTRD last night. DREAM!
 
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WMWHV

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For those with the kit how does it drive compared to stock? And specifically both in terms of ride quality and bump steer...

I do not prefer the Mopar stuff for suspension and would prefer to piece together a kit (i.e., King 2.5's with adjusters + springs + arms) but that's proving difficult given lack of spring options out there. So I might have to buy it for now and sell it later.

Just picked up the JTRD last night. DREAM!
That is a great question and I have been trying to decide. I don't think the ride has changed much, if at all. I was trying to decide just this morning on my way in to work whether there was an impact on the steering. I am not sure. Maybe a bit, but nothing too drastic if I have had it on there a couple of weeks and I am still trying to decide if anything is different.
 

guarnibl

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That is a great question and I have been trying to decide. I don't think the ride has changed much, if at all. I was trying to decide just this morning on my way in to work whether there was an impact on the steering. I am not sure. Maybe a bit, but nothing too drastic if I have had it on there a couple of weeks and I am still trying to decide if anything is different.
That's great to hear. What about just pulling into a driveway where there's the curb part? You don't get any movement in the cabin stock but often times, once you lift -- you get that sway/movement. In fairness, my JL setup was a very soft Fox shock (notorious for softer ride), and EVO's plush springs, so maybe that was more of the issue.
 

Stevevdbh

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For those with the kit how does it drive compared to stock? And specifically both in terms of ride quality and bump steer...

I do not prefer the Mopar stuff for suspension and would prefer to piece together a kit (i.e., King 2.5's with adjusters + springs + arms) but that's proving difficult given lack of spring options out there. So I might have to buy it for now and sell it later.

If I try to piece something together -- can I just add a spacer to make up for difference between diesel and non diesel springs? Or will it ride worse than the Mopar kit? I assume the King 2.5 valving is decently stiff as well -- but do you guys assume that shocks need to be valved for Diesel JT in order to provide a good quality ride?

Just picked up the JTRD last night. DREAM!
I have the 2 inch Mopar installed on the 2021 JTRD and love it! Rides great!
 

Gladiator_92

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For those with the kit how does it drive compared to stock? And specifically both in terms of ride quality and bump steer...

I do not prefer the Mopar stuff for suspension and would prefer to piece together a kit (i.e., King 2.5's with adjusters + springs + arms) but that's proving difficult given lack of spring options out there. So I might have to buy it for now and sell it later.

If I try to piece something together -- can I just add a spacer to make up for difference between diesel and non diesel springs? Or will it ride worse than the Mopar kit? I assume the King 2.5 valving is decently stiff as well -- but do you guys assume that shocks need to be valved for Diesel JT in order to provide a good quality ride?

Just picked up the JTRD last night. DREAM!
I think the ride is better than stock with my Mopar diesel kit. It is stiffer in the right ways to help with handling in turns and takes sharp and heavy hits much better. The Jeep feels very planted. The fox 2.5s are huge and a great shock. I think the shock tuning was done really well.

I would be careful when piecing together parts from different kits. Springs and shocks should be tuned to work together. The are countless videos and threads on suspension tuning. Not all shocks and springs go together.
 

guarnibl

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I think the ride is better than stock with my Mopar diesel kit. It is stiffer in the right ways to help with handling in turns and takes sharp and heavy hits much better. The Jeep feels very planted. The fox 2.5s are huge and a great shock. I think the shock tuning was done really well.

I would be careful when piecing together parts from different kits. Springs and shocks should be tuned to work together. The are countless videos and threads on suspension tuning. Not all shocks and springs go together.
Glad to hear it rides great! I didn't realize that kit came with 2.5's. That's a plus for sure.

RE: piecing together kits, I'm actually going against my own advice as well on that one but:
1) I want to run 40's occasionally when I go to Moab a couple times a year.
2) I am hoping the diesel rock krawler springs will mate up OK to the King 2.5's designed for the JT.

But yeah, the valving might need re-done. We'll see. Hope not. And the Mopar kit is certainly appetizing at it's price point. Sounds like it's a great kit. The stock style control arms have their advantage from an on road standpoint.
 
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I did my mopar lift this past Friday and added the 3/4 inch daystar spacer to take about 50% of the rake out. The lift came out great and rides really good. The 37inch milestars are awesome. at only 73lbs my wheel/tire combo is only 100lbs and they are very quiet at highway speed for a mud tire.

I did run into an issue when installing the lift kit and I called my dealer about it the day of. They did not have an awesome for me but should get back to me on Monday. In the kit instructions the part # of the springs are associated by LF, RF, RR and LR for left front, right front, etc. But Looking at the image on the instruction associated with the part # and reference code (LF, RF, RR, LR) the image shows the opposite side of the jeep for install. Basically, depending on how you read the instructions the spring can be installed on one side vs the other. I think this is an error in the instructions. On the JL manual everything lines up with the images. Curious what you all think... some of your kits may be installed incorrectly as well if this is an error in the instructions.

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I wonder if they changed the side you install the springs on because the fuel tank is switch for the diesel, moving the weight, but neglected to create a new diagram depicting that. I think I'd probably follow the written instructions, not the picture
 

FutureOdin

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I installed mine recently, and follow the lettering next to each part number, not the picture, for the springs.
 

Gladiator_92

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I wonder if they changed the side you install the springs on because the fuel tank is switch for the diesel, moving the weight, but neglected to create a new diagram depicting that. I think I'd probably follow the written instructions, not the picture
I think you're right and ultimately that is what I wound up doing.. 5000 miles on the lift now and rides great.
 

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