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Hi Tyler - I have to concur with a pedal conditioner actually being a good investment - I have a Sprint Booster and altho I understand entirely that it doesn't increase power it certainly makes all the power you have to be much more accessible! This wrangler review also sums it up nicely:
 

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Exactly for same for my pedal commander.. It changes things around so you go go go.. Sport plus mode can snap your neck if your not careful.. Usually roll around in city mode plus 2... If I need more zoom, switching to sand/mud mode 4x4 seems is quicker than sport mode. (sotp feel).

My love my exhaust rumble and it feels much quicker with the opened exhaust and Cai working together.. Air in--air out.

Sent from my SM-G955U using Tapatalk
:cool:(y)
 
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For info for others looking thru this thread, Pedal Commander and Sprint Booster are not just the same thing rebadged - they're different products made by different companies but they do more or less the same thing. It sounds like the Pedal Commander may have a more sophisticated control setup with various modes and then levels within those modes. Sprint Booster just has a number scale from 1 to 10 - displayed on the little controller. We run our SB at 5.

The straight up feel of the SB - and it sounds silmilar for Pedal Commander is that instead of pressing the pedal and waiting for things to happen, the response changes to feel like the accelerator is actually directly connected to the engine - ie. the vehicle directly responds to the pedal - you press the pedal, the car GOES - simple. I really dont think I could tolerate driving our TH without it now.

Yes it's a few hundred bucks that could go toward a "proper" tune - but in reality ur looking at close to $700 for a tune and no one yet has stepped up privately to offer the assistance of supplying owners with a plug and play OBD module ready to go with an optimised tune for std car (if/when I finally bite the bullet and do a proper tune as described in Tylers guides I WILL then offer that help to fellow KL owners) - and neither have any commercial businesses - so to get a tune done there's the money PLUS all sorts of messing about to get it working. Enthusiasts might say its all easy - but for someone who just wants their KL to go well it's really not. A pedal module takes about 10 minutes to plug in and instantly TRANSFORMS the car...

I know on paper it's supposed to be as simple as remapping the pedal so full throttle is reached much quicker than full pedal, but it drives as tho there's more than that going on - else that simple remapping has results that aren't readily apparent in theory. For example on the face of it you'd expect the trans would respond as tho the normal pedal was being held down further - ie. holding gear and changing late etc. but in fact no, the shifts seem to come thru quicker and slicker and kickdown doesn't happen as much as when just running normal pedal map. When my wife used to drive off down the street I'd hear the engine revs running quite high like it was holding second for quite some distance as she accelerated away - actually watching, there seemed like a lot of fuss for not much action - but with the Sprint Booster, the car takes off quickly with lower revving and quick, slick gear shifts. You feel that when driving as well of course.

I actually wonder whether there's two signals from the pedal - one for engine and the other for the trans - and the SB only conditions the engine signal. That would explain how the car drives - ie the trans is seeing lower pedal input and matching that to actual revs with predictable - and NICE - results. Even if that's not the case (and I suspect I'll be told so fairly quickly) it's certainly how it FEELS.

7:22 in the video I've posted above sums it nicely...
 

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The tune IS the proper way to do it......and no there is nothing separate in the trans for the throttle control its ALL in the PCM, and with the PCM and TCM working together with lots of torque management, feeling faster with a throttle tricking device is just that, feeling but it's not actually faster.
I never said it was or even felt faster... - it just FEELS much much much much nicer to drive.
 

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So @Trailfirst, you feel "Enhanced Driveability"? @ern3, you definitely feel more power? You have that sick exhaust system, so you have definitely added some ponys with that. Interesting, I'll have to research this Pedal Commander, as I know very little about them.
There's absolutely a positive transformation in driveability and overall feel - that video altho a manual wrangler pretty much sums it up. I won't say it makes the TH feel faster or more powerful but my wife is adamant it's about doubled the size of the engine...
 

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:LOL: yeah - I've explained at length that it's only altered the way the accelerator behaves but my wife is absolutely certain it causes the engine to put out more power - she reckons it just CANT be that much better without there being more power! It doesn't increase power but by god it lets you use ALL the power there is!!
 
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It'd definitely be interesting to check out whether the improved feel also translates to improved actual times. I know in traffic its embarassing when I'm on the stop line because I just do normal cruise away and everyone else is still crossing the intersection when I'm 40 yards down the road - no flooring it, no revving - she just GOES. And if I deliberately go REAL soft so i dont run away, dude next to me is revving and thrashing while im just smoothly haulin... Its strange, because you'd think that increasing throttle ratio would mean lots of high revving etc but in actual fact it revs and thrashes much LESS - ie. just smoothly and powerfully hauls arse down the road.
 

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Right on. I hear all the talk about the older KL's driveability issues, mostly transmission wonkyness. I've never experienced any of those in my 19. I don't know if they just married the software with 2.0T, or what, but my Trailhawk is a freaking beast, shifts flawlessly, and when it is supposed to. Zero searching for the right gear, and way less unnecessary downshifts. I'm chalking that up to the vastly different torque and power bands between the 3.2 and the 2.0T. I'm basing that on spending a lot of time driving my buddies 17 with the 3.2, which is what made me want one too. I was sceptical about the 2.0T, but not anymore. Mine walks away from his from the line, and really handles the trails in a much more controlled manner. I'm determined to get more performance out of the little thing, but it does a good job stock.
The 2.0T sounds like a terrific powerplant! (y)
 
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Tyler there's no denying your expertise (respect) - the issue if there is one is that YOU tend to shut down the significance of how things like Pedal Commander and Sprint Booster really DO make a HUGE improvement to the driving experience. I'd suggest you work hard to do the same thing thru your tune, because until you do that or get a Pedal Commander or Sprint Booster yourself, mate ur missing out BIG TIME.
 

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  • It's all good man. We're just having discussions on what everyone has done for mods, and how it's working for everyone. That's what it's all about on here. I haven't done anything to mine yet, except finally order my lift. Tyler is not my tuner, but I gotta say, he does have a way of backing stuff up with data and facts. I'll never put down or disrespect anyone on here about their KL's, and what they choose to do with them, whether it's a positive, or negative outcome. I'm here to learn, and I have learned a lot from all of you guys, good and bad. Jeeps of any generation have never been my expertise, I'm more of an old school American Muscle expert. I can tell you everything to tune your modern Shelby GT 350, C7 Corvette, or ZL1 Camaro, and clear back to old school non emission engines from the 60's and 70's. My offloading was always 2 wheels, until I bought my old Xterra, which I did do some mods to, but nothing crazy, and that was a great vehicle that would take me anywhere I pointed her, from the top of a mountain, to the middle of the desert. Had 280,000 hard miles on her when I sold her and pulled the trigger on the Trailhawk, and she never left me stranded. If the Trailhawk is half as good to me as the Xterra was, I'll be a happy KL owner, and so far I am. Let's keep up a little friendly debate, it keeps us all thinking together to come up with new and improved ideas, since surprisingly enough there still isn't a lot of options to choose from to make the KL's really shine. The platform is there, and I know there's some smart people somewhere working on new things. That's how it's always worked on my side of the performance industry.
+1 to everything said there! I'm similar in that I'm over 50 and have been messing about with old technology cars for many years then more recently actually did get into ECU tuning with the EECV in my Aussie I6 Ford Falcon (also worked the head + big cam and high flow exhaust etc.). That included fuel and ignition mapping as well as trans shift points and pressures + tq converter lockup points. Throttle was mechanical so there wasn't the option - or really the need - to mess with that - altho softening the pedal by removing the external spring vastly improved the feel of it.

Two of the BEST mods on that Falcon were removing the external spring on the TB and loosening the shifter handle and rotating it about 30 degrees - those things added a huge amount to driving enjoyment and my ability to drive it quicker - no tuning involved.

With the Sprint Booster in our TH I dont care what the figures end up being - it totally transforms the driving experience in all good ways - PERIOD! I really dont think I could cope with going back to not having it - and I now for certain my wife would definitely flatout refuse to drive it.

There's a difference between being FAST and being genuinely QUICK. I know for a fact the Sprint Booster doesn't make my TH faster but it definitely makes it quicker in all normal road situations and conditions.
 

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If I could buy a ready to rock OBD plug in module with optimised tune for std KL 3.2 V6 I'd happily pay $1000 for it - but no such thing exists so it's throttle conditioner at $350 FTW in the meantime...
 

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Awe mate!!! I just said that because one of my closest friends in the world is from Melbourne, that's what he says all the time...LOL! That 4.0 SC is a beast, and I want one!!! I don't know what I'd put it in, but I'd find something. Maybe a 40 Ford pickup. Way better engine than our EcoBoost over here. My Trailhawk is more my daily driver, but my fun car is my 2016 GT350R. 5.2 flat plane crank Voodoo Coyote, tuned ECM went from 526hp, 429lb-ft to 585hp, 460lb-ft!!! I'm happy with the way the KL runs stock, but we just can't stop thinking about how to get just a little more!!! You and I are from the same generation. View attachment 210877
Oh! - I wasn't havin a go at you or anything like that - I agree / understand 100% with you :)
 
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I bought a pedal commander and installed it back in December. I ended up returning it because all it does is change the pedal input signal. I can do that with my own foot.

After I install most of my offroading mods (and my warranty expires) I may pursue tuning my 2.0T. I would want a fairly safe tune, I believe the transmission can't take over around 340ftlb per the official design documents.
I agree - the new 2.0T looks to have fantastic potential! Each to their own as far as the throttle conditioner. Mine is a Sprint Booster not a Pedal commander and I definitely can't make the car drive the same with my foot vs the module - when we turn the SB off, the car now feels like something's seriously wrong with it. Turn the module back on and she's lovely again...
 
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So trailfirst, you have a 2014, the PCM is unlocked.........
HP Tuners MPVI2 is 300 + 2 credits so $400

So for $400 more than a PC you get a complete tuning platform and if all you wanted was electronic throttle control, I could provide that information for free. Should you want a custom tune then that would be around $250.......so as you can see since you have a 2014 and an unlocked PCM a pedal commander is a huge waste of money and not worth it at all. I've posted this information over and over.......
Oh I don't dispute that proper tune is the go - I was tuning my 1996 Aussie I6 Falcon EECV with Tunerpro R/T before we bought the Cherokee (car dealer was convinced it was V8 when he drove it - I had to show him the engine to prove it was a six) - and I'm VERY close to pulling the trigger on a full tune setup - so might well be knocking on ur PM soon :) - BUT - the tune would need to offer same accelerator signal conditioning that the Sprint Booster achieves - else I'd just run both. Even with a proper tuner unless it can deliver the same result then Sprint Booster on top would still be good value for me. My cost on SB was close to AUD $400 (thanks to socialist govt deregulating our dollar in the 80's and conservative govts since not having balls to fix it) - but it's prolly under USD $300. Similarly I've just been running figures and the full tuner option is looking like closer to AUD $2000. I'd be VERY interested in simply purchasing a replacement or ideally exchange complete ECU with the tune in it...

Also, looking at the exhaust on our TH, it really looks to me like the otherwise really good 2.5 inch pipework pinches in to prolly 2 1/4 at the resonator inlet and outlet!? - what aare ur thoughts on that?
 
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Don't even waste time on the exhaust it flows just fine, even with bolt on mods. You can't replace the most restrictive part on the cherokee 3.2 anyways.




Change out the muffler to something of your choice and save your money for other mods
Oh crap! - I hadn't seen that!! - so yeah point taken. On the 4.0I Falcon at one point I had extractors going into single 3 inch system - which went really well but was a bit loud (main muff was a straight thru perforated pipe design so even with front and rear resonators it was LOUD) - so after 6 months I did go back to the 2.5 inch with Aerochamber main and front and rear straight thru + chamber resonators - which sounded gorgeous - but I DID get a noticeable loss in power. I was about to put a 3 inch Aerochamber on the other system and refit it when we got the cherokee.

So yeah ok, on the cherokee if I do anything it'll be to fit an Aerochamber muff on the rear.
 
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