Sponsored

So disappointed in this Diesel platform; wish there was a return policy.

houseofdiesel

Well-Known Member
First Name
Chris
Joined
Dec 2, 2020
Threads
1
Messages
63
Reaction score
92
Location
Central Texas
Vehicle(s)
2021 Gladiator Rubicon EcoDiesel
Does the Gladiator have the + or - buttons to select the gear? By manually dropping the gear down to 6th or 5th, you are locking out the higher gears.
Button? You slap the gear shifter to the side and toggle it forward and backwards to select gears. For shits and giggles Jeep engineers designed it ass backwards. Up is down and down is up. The M stands for Manual to the left of the shifter.

Jeep Gladiator So disappointed in this Diesel platform; wish there was a return policy. 2018_jeep_wrangler_gearshift
Sponsored

 

houseofdiesel

Well-Known Member
First Name
Chris
Joined
Dec 2, 2020
Threads
1
Messages
63
Reaction score
92
Location
Central Texas
Vehicle(s)
2021 Gladiator Rubicon EcoDiesel
On my Ram EcoDiesel, you can see where I have 8th locked out, but the truck is currently running in 5th on a steep mountain pass towing 7,000 lbs.

2zg2AiB.jpg
If you look at the RPM band Torque drops off at 3k RPM. Over 3k RPM you're just creating more heat under load. Everything over 3k is really only useful for romping around town empty. Same with my 3.0L Dmax.
 

biodiesel

Well-Known Member
Joined
Dec 8, 2018
Threads
15
Messages
2,338
Reaction score
3,027
Location
New Mexico
Vehicle(s)
2015 Ram 1500 Ecodiesel
Button? You slap the gear shifter to the side and toggle it forward and backwards to select gears.
Gotcha. On the Ram there are + and - buttons on the steering wheel.
 

biodiesel

Well-Known Member
Joined
Dec 8, 2018
Threads
15
Messages
2,338
Reaction score
3,027
Location
New Mexico
Vehicle(s)
2015 Ram 1500 Ecodiesel
If you look at the RPM band Torque drops off at 3k RPM. Over 3k RPM you're just creating more heat under load. Everything over 3k is really only useful for romping around town empty. Same with my 3.0L Dmax.
On that trip, I had the cruise on to see how hot I could get the oil and coolant temperatures. Normally, I would slow down on long steep climbs, but I was taking data on this particular climb. 246*F oil temperature was the hottest I saw, granted the ambient temperatures were fairly cool.
 

Mike-len

Well-Known Member
First Name
Mike
Joined
Aug 9, 2022
Threads
6
Messages
137
Reaction score
68
Location
Minnesota
Vehicle(s)
Gladiator
Occupation
HVAC
I’ve read through pretty much this entire thread, and I’m sure I missed a few things, but one thing I’m wondering is has anyone had derating issues after they’ve had the GDE tune installed? I’m assuming that at least a few people in this forum have the GDE tune.
 

Sponsored

ShadowsPapa

Well-Known Member
First Name
Bill
Joined
Oct 12, 2019
Threads
247
Messages
40,504
Reaction score
54,031
Location
Runnells, Iowa
Vehicle(s)
'25 JTMX, '23 JLU 4xe, '82 SX4, '73 Javelin
Occupation
Retired auto mechanic, frmr gov't ntwrk security admin
Vehicle Showcase
3
Does the Gladiator have the + or - buttons to select the gear? By manually dropping the gear down to 6th or 5th, you are locking out the higher gears.
No. You move the lever left to manual mode and push forward to downshift, pull rearward to upshift. It'll hold that gear unless it senses lugging or over-speeding if I recall correctly.
 

Gladiator_92

Well-Known Member
First Name
Rich
Joined
Aug 11, 2020
Threads
11
Messages
250
Reaction score
310
Location
Northern New Jersey
Vehicle(s)
2021 Gladiator Sport EcoDiesel
Occupation
Project Management
Vehicle Showcase
1
Button? You slap the gear shifter to the side and toggle it forward and backwards to select gears. For shits and giggles Jeep engineers designed it ass backwards. Up is down and down is up. The M stands for Manual to the left of the shifter.

2018_jeep_wrangler_gearshift.webp
I believe the orientation of the +/- is correct as it mimics a sequential shifter. Watch in race cars or drift cars with sequential, the driver pulls back to advance shifts.
 

ShadowsPapa

Well-Known Member
First Name
Bill
Joined
Oct 12, 2019
Threads
247
Messages
40,504
Reaction score
54,031
Location
Runnells, Iowa
Vehicle(s)
'25 JTMX, '23 JLU 4xe, '82 SX4, '73 Javelin
Occupation
Retired auto mechanic, frmr gov't ntwrk security admin
Vehicle Showcase
3
I believe the orientation of the +/- is correct as it mimics a sequential shifter. Watch in race cars or drift cars with sequential, the driver pulls back to advance shifts.
Not always. I had a racing ratchet shifter in my automatic car. You bumped it forward to upshift.
Then there's the fastest Gremlin - you can "ride along with Kevin" and watch him shift his 5 speed drag car (his name is "stickshifter" on many forums).
A lot of drag cars out there aren't "back for up".
 

Gladiator_92

Well-Known Member
First Name
Rich
Joined
Aug 11, 2020
Threads
11
Messages
250
Reaction score
310
Location
Northern New Jersey
Vehicle(s)
2021 Gladiator Sport EcoDiesel
Occupation
Project Management
Vehicle Showcase
1
Not always. I had a racing ratchet shifter in my automatic car. You bumped it forward to upshift.
Then there's the fastest Gremlin - you can "ride along with Kevin" and watch him shift his 5 speed drag car (his name is "stickshifter" on many forums).
A lot of drag cars out there aren't "back for up".
Good to know it's either way, I guess depending on transition manufacturer.. would be cool if you could program your preference haha
 

KodiakFisherman

New Member
First Name
Larry
Joined
Jan 18, 2023
Threads
0
Messages
1
Reaction score
4
Location
Kodiak Island, Alaska
Website
www.youtube.com
Vehicle(s)
2022 JT Gladiator Rubicon
Occupation
Retired Marine Mechanic (office dweller now)
When these 3.0’s are in boats they run at 80% torque all day & don’t bat an eye. I’m not endorsing deletes, but can’t help but wonder if the water cooled EGR (which boats don’t have) isn’t working as hard (or harder) as the turbo.
 

Sponsored

Sank

Well-Known Member
Joined
Jul 10, 2020
Threads
4
Messages
186
Reaction score
171
Location
Colorado
Vehicle(s)
05 LJR, 22 JTRD
For shits and giggles Jeep engineers designed it ass backwards.
2018_jeep_wrangler_gearshift.webp
I believe the orientation of the +/- is correct as it mimics a sequential shifter. Watch in race cars or drift cars with sequential, the driver pulls back to advance shifts.
Not always.
A lot of drag cars out there aren't "back for up".
Well, [flamesuit = true] drag racing isn't real racing anyway [flamesuit = false] so it's cute but moot that they sometimes have their shift levers wrong ;- )

There's a whole 'nother thread on this, and as I recall, general consensus is people are happy with the orientation as built. I disagree with houseofdiesel and agree with Gladiator_92. I am glad the shifting is "right". The best analogy in my mind, when I drive my manual, when I shift from 1st to 2nd, or 5th to 6th during acceleration, i pull back. Just like here. When I need to downshift to pass on the highway, i push 6th up to 5th. So it's very intuitive to me. Shifting that involves lateral movement is neither straight up or straight back so the analogy doesn't apply.

In my motorcycle track days, almost everybody would flip the shift lever direction. Street bikes are up for faster. Track bikes are down for faster. There's a certain elegance to running your bike that way, but the main reason is you can't up shift when turning left because the pavement is too close to the shift lever if you need to go up to go faster.

Ok, back on topic, real question. This was maybe only glossed over previously in this thread, At what RPM do we consider this engine to be lugging, and why? The answer is not "below 2k because it feels like it". Is there an answer that is based on injector timing data or something else objective that we transition from "not lugging" to "lugging" ? And what is likely to fail prematurely if operated below the 'lugging point' ?
 

dcmdon

Well-Known Member
First Name
Don
Joined
Mar 31, 2021
Threads
60
Messages
3,656
Reaction score
4,427
Location
Boston Metro-West, Northern NH
Vehicle(s)
.
I use the manual function of my AT all the time.

Just this morning I was driving up to a ski mountain in my (gas) Gladiator at about 50 mph. When the road flattened out for a second, it would run up to 8th, then with a slight rise it would grab 5th or 6th.

If I lock it in 7th for part of the trip and 6th for the rest, the motor isn't lugging and it's a much nicer ride.

Leaving it in A is fine and certainly won't hurt anything, but the drive is nicer locking it in a given gear.

The same thing holds true for towing the utility trailer that I own. I just leave it in 7th and run 70 mph or so at roughly 2500 rpm. (4.10 gears and 35s). Leaving it in A is fine. The drive is just more peaceful without it grabbing a lower gear with every rise.
 

@californiajeeping

Well-Known Member
Joined
Apr 1, 2020
Threads
16
Messages
958
Reaction score
1,012
Location
California
Vehicle(s)
2022 Jeep Gladiator diesel, 1977 cj5 LS swapped
Well, [flamesuit = true] drag racing isn't real racing anyway [flamesuit = false] so it's cute but moot that they sometimes have their shift levers wrong ;- )

There's a whole 'nother thread on this, and as I recall, general consensus is people are happy with the orientation as built. I disagree with houseofdiesel and agree with Gladiator_92. I am glad the shifting is "right". The best analogy in my mind, when I drive my manual, when I shift from 1st to 2nd, or 5th to 6th during acceleration, i pull back. Just like here. When I need to downshift to pass on the highway, i push 6th up to 5th. So it's very intuitive to me. Shifting that involves lateral movement is neither straight up or straight back so the analogy doesn't apply.

In my motorcycle track days, almost everybody would flip the shift lever direction. Street bikes are up for faster. Track bikes are down for faster. There's a certain elegance to running your bike that way, but the main reason is you can't up shift when turning left because the pavement is too close to the shift lever if you need to go up to go faster.

Ok, back on topic, real question. This was maybe only glossed over previously in this thread, At what RPM do we consider this engine to be lugging, and why? The answer is not "below 2k because it feels like it". Is there an answer that is based on injector timing data or something else objective that we transition from "not lugging" to "lugging" ? And what is likely to fail prematurely if operated below the 'lugging point' ?
Lugging is when the engine is at 70+% throttle and not making enough boost to make power. Right around 1500rpm. At 1800 starts to build closer to 20psi. The engine has no power without boost and the turbo doesn’t spool until 1800rpm.
 

Sank

Well-Known Member
Joined
Jul 10, 2020
Threads
4
Messages
186
Reaction score
171
Location
Colorado
Vehicle(s)
05 LJR, 22 JTRD
Lugging is when the engine is at 70+% throttle and not making enough boost to make power. Right around 1500rpm. At 1800 starts to build closer to 20psi. The engine has no power without boost and the turbo doesn’t spool until 1800rpm.
Thanks for this. Will give it some thought!
 

Orange01z28

Well-Known Member
First Name
Andrew
Joined
Aug 19, 2020
Threads
69
Messages
1,420
Reaction score
1,814
Location
Queen Creek Arizona
Vehicle(s)
2020 JTR
Good to know it's either way, I guess depending on transition manufacturer.. would be cool if you could program your preference haha
Yeah, like ShadowsPapa said I had a car with a ratchet shifter and it was the opposite of the Jeep

The Jeep is like the Dwarf cars we raced with motorcycle trannies
Sponsored

 
 







Top