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do these automatically idle up/accelerate in 4 low to climb over obstacles?

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jav_eee

jav_eee

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Then you can show or demonstrate, right? 3 others have said no - and yet you don't tell them THEY are wrong.
Go tell them directly. They've said the same thing "no".
Why would it be nice if I approached an incline and was in 4L and took my foot off the gas if it idled up and tried to continue?

If it makes you happier, later today I'll turn my truck around, facing the incline and roughly 1.5" jump required to get into my garage, pull up until there's some resistance and let up on the gas. If it's like you say, the idle speed should increase. I'll try both buckled and not buckled in. It's a mild hill due to how the concrete had to be poured to guide heavy rains away from the buildings and to a big drain. So you go down hill when coming in, hit that low spot, then the last 3 or 4 feet are up hill again, then the ledge to get into the garage. Will that be enough?

And since 3 others (at least) have said no, it doesn't - how about YOU prove they are wrong by demonstrating it since you have a JTR and can very easily prove it. It would take you mere minutes to do it with a phone recording the tach.
I have a seatbelt bypass bottle open thing (more safety issues!) in on this video but I just did it again unbuckled and it still does it. On the edge of the ramp, foot on the brake, release, it takes a moment and then throttles up on its own. You can see in this vid the top left PID is reading pedal input and the one under it on the bottom left is throttle body position. Notice how it opens it on it’s on without pedal input. Idle speed on in drive with foot on the brake and just before it idles up is 600 and change, not 800. This was from a stop going up and incline so there was no rolling up to get to those 900 (higher than the 800 you thought) that you see as it climbs. This was tough to record while making sure everything was visible and making sure I didn’t go off the ramps. I can redo the video showing an unbuckled belt as soon as the phone I use torque on charges. It died.

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Then you can show or demonstrate, right? 3 others have said no - and yet you don't tell them THEY are wrong.
Go tell them directly. They've said the same thing "no".
Why would it be nice if I approached an incline and was in 4L and took my foot off the gas if it idled up and tried to continue?

If it makes you happier, later today I'll turn my truck around, facing the incline and roughly 1.5" jump required to get into my garage, pull up until there's some resistance and let up on the gas. If it's like you say, the idle speed should increase. I'll try both buckled and not buckled in. It's a mild hill due to how the concrete had to be poured to guide heavy rains away from the buildings and to a big drain. So you go down hill when coming in, hit that low spot, then the last 3 or 4 feet are up hill again, then the ledge to get into the garage. Will that be enough?

And since 3 others (at least) have said no, it doesn't - how about YOU prove they are wrong by demonstrating it since you have a JTR and can very easily prove it. It would take you mere minutes to do it with a phone recording the tach.
Dude. You have an overland. Wake up.
 

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What if you have an overland that identifies as a rubicon?
 

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Like anyone should, when you set out to prove/disprove something you know things COULD go either way. It's how science should work, how anything should work. Don't do the experiment, don't ask the question if you are afraid of the results.

That being said -
2022 Gladiator OVERLAND 3.6 gasser. Mostly stock save for some rear spring spacers, taller front springs and a few minor odds and ends.
My experiment was originally try to prove a negative - that something doesn't exist.
Somewhat limited resources today - stuff happening in my shop, getting ready to take off for church later and setting coon traps and so on, but I figured hey, use the drop at the front of the garage slab as an obstacle and run the Jeep up against that in 4L, creep up to it, Foot off brakes, foot off throttle and video the tach.
This chromebook in my shop has very limited capabilities and the video was large (haven't yet tuned my phone to cut video file sizes down) so we'll see what happens.
First thing was damn, it took 2 minutes to get the bloody thing in 4L again - it behaved like it had never been there before. Once I got that resolved, time for the test -
I'll toss in the full video first - 24.x meg, then the trimmed video. The first one shows me creeping up to the ledge or drop at the front of the garage, then foot off gas, the second one I trimmed out the first few seconds as our internet is also limited and the chromebook wouldn't even play the first longer video - so , sorry, 2 videos, hopefully both show the same thing with the first one me creeping up to the ledge and stopping. (crap, danged chromebook appears to choke on the full file. Will try later on a REAL computer)




 
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ShadowsPapa

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Further testing -
This thing has a pretty low limit - it will ramp up to between 1,000 and 1,100 RPM max - it seems to top out around 1,000 RPM.
A 4x4 will stop it - it hits that, very slowly ramps to about 1,000 +/- 50 RPM or so, then ramps back down to 800. A 4x4 is in reality 3.5 x 3.5" and one side it was only 3" so it's quite limited.
(remind me to ALWAYS block the wheels!!!! and if I ever use ramps, install a big angle at the top about 4" high has I could see it going off the top of ramps very easily)

It's only 4L and it's limited. It works slowly and deliberately, likely - although I didn't think to use JSCAN to check throttle positioning, exact RPM by the PCM and the torque output at the time. That's for another day, I guess. Once it's achieved its perceived goal, idle speed ramps back down (not as slowly as it ramps up, but not a drop, either)
The PCM is obviously watching torque output and weighing that against the throttle body position and RPM.
I have a feeling that most people even off-roading aren't going to notice this at all - they'll have foot on brake and gas or whatever and keep moving. How many will pull up to a small blockage and take their feet off all pedals and sit there for this to work. No wonder there wasn't anything decisive.

Floor jacks and a pair of stands - a lot safer and more handy. You can't rotate tires with ramps. You can't do brakes with ramps and heck, you don't even need to raise these for an oil change or inspection of the underside.

Isn't it interesting in a way, no one could say decisively other than Dan - I decided friendship was more important that holding a stance and not giving supporting evidence. There were multiple no's, a couple of yes's, but nothing conclusive.
How's it said - mea culpa? but then that's a Latin phrase that is suggesting fault - this was more "wrong/incorrect" than fault. So I guess that phrase doesn't work.
Should be something with err, or error, perhaps erravi?
Eh, that's gotta be close.
 
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Further testing -
This thing has a pretty low limit - it will ramp up to between 1,000 and 1,100 RPM max - it seems to top out around 1,000 RPM.
A 4x4 will stop it - it hits that, very slowly ramps to about 1,000 +/- 50 RPM or so, then ramps back down to 800. A 4x4 is in reality 3.5 x 3.5" and one side it was only 3" so it's quite limited.
(remind me to ALWAYS block the wheels!!!! and if I ever use ramps, install a big angle at the top about 4" high has I could see it going off the top of ramps very easily)

It's only 4L and it's limited. It works slowly and deliberately, likely - although I didn't think to use JSCAN to check throttle positioning, exact RPM by the PCM and the torque output at the time. That's for another day, I guess. Once it's achieved its perceived goal, idle speed ramps back down (not as slowly as it ramps up, but not a drop, either)
The PCM is obviously watching torque output and weighing that against the throttle body position and RPM.
I have a feeling that most people even off-roading aren't going to notice this at all - they'll have foot on brake and gas or whatever and keep moving. How many will pull up to a small blockage and take their feet off all pedals and sit there for this to work. No wonder there wasn't anything decisive.

Floor jacks and a pair of stands - a lot safer and more handy. You can't rotate tires with ramps. You can't do brakes with ramps and heck, you don't even need to raise these for an oil change or inspection of the underside.

Isn't it interesting in a way, no one could say decisively other than Dan - I decided friendship was more important that holding a stance and not giving supporting evidence. There were multiple no's, a couple of yes's, but nothing conclusive.
How's it said - mea culpa? but then that's a Latin phrase that is suggesting fault - this was more "wrong/incorrect" than fault. So I guess that phrase doesn't work.
Should be something with err, or error, perhaps erravi?
Eh, that's gotta be close.
well I definitively said it did it and just wondered if it was supposed to do that as I hadn’t read anything about it.

the ramps are for changing the oil on a vehicle that is much lower to the ground than the jeep. I used them, in this instance, to torque the LCA bolts as I recently did a geo bracket install. GASP!I torqued them when the jeep wasn’t perfectly level? Yes. It’ll be ok. :)
 

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While I get accused of refusing to test/prove it, number one, my word should count for something. Number two, I’ve got better things to do on a Saturday, like watch kids play, and enjoy moose in the yard. :)

Jeep Gladiator do these automatically idle up/accelerate in 4 low to climb over obstacles? IMG_5952


Jeep Gladiator do these automatically idle up/accelerate in 4 low to climb over obstacles? IMG_5951
 

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well I definitively said it did it and just wondered if it was supposed to do that as I hadn’t read anything about it.

the ramps are for changing the oil on a vehicle that is much lower to the ground than the jeep. I used them, in this instance, to torque the LCA bolts as I recently did a geo bracket install. GASP!I torqued them when the jeep wasn’t perfectly level? Yes. It’ll be ok. :)
No one said they had to be level, just feet on the ground. A few degrees won't matter. The relationship between axle and frame will be the same.
I found the LCAs easy to torque with it on the ground with a jack stand next to the vehicle and enough extensions to reach out to the rocker panel area.
Socket on bolt head, wrench on nut on the other side wedged so it can't move.
Run the extensions from the socket out to the jack stand which should be level with the bolt head. Use the jack stand to support the end of the last extension while you use the torque wrench.
The front ends of the LCAs I can get to from the front standing in front of the truck. Takes a while as you get so few "clicks" but it works.
It's the uppers that are a #@$#, IMO. Lowers are a piece of cake.
 

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Outside of select speed control the idol is no different than any other vehicle with an automatic transmission. When you apply the torq multiplication possible with up to a 4:1…yes it will sound like it’s reving…a little.
 

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Outside of select speed control the idol is no different than any other vehicle with an automatic transmission. When you apply the torq multiplication possible with up to a 4:1…yes it will sound like it’s reving…a little.
Not quite. Rubicons have crawl control.
 

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Outside of select speed control the idol is no different than any other vehicle with an automatic transmission. When you apply the torq multiplication possible with up to a 4:1…yes it will sound like it’s reving…a little.
These actually are revving. It's not torque multiplication. It's a rise in RPM that can be measured.
I wish the longer video worked out as it shows me creeping up to the ledge of the slab, stopping, taking feet off gas and brake and just sitting back while it detects the blockage, raises RPM and climbs up and over then drops RPM back down. The idle RPM was constant ~800 while it moved to the obstruction and when I took my feet away from the pedals, only when it sensed no input on brake or gas did it do its own thing.
Neither my Chevy or my Ford did anything like this. They'd just sit and idle until you ran out of gas, RPM never wavering.
This sat there as it slowly ramped up RPM - you could watch the tach move slowly upward to ~1,000 RPM, then lower once it detected the drop in torque. It was a slow and deliberate increase and a slow decrease.
As the need for power increases, other vehicles would slow down in RPM, then rise after they were over the hump, these do the opposite.
 

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Not quite. Rubicons have crawl control.
And that's a different animal completely. That's controlled by moving the shift lever to manual mode on an automatic and pressing the button (If I have that correct)
It adjusts both speed and braking for a crazy-cool "cruise control" in the rocks.
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