Same experience here when I added the PC to my wife's 4runner. With the Defender I feel a bit of sluggish for about 1 or 2 secs before the turbo kicks in (I have the P400). This gets much better in S mode, but I imagine the PC would simply eliminate that completely. However, purely based on cost, I do not think it is a must have for the Defender as it is for the 4runner. Also, I am much more comfortable "playing around" with the 4runner ancient software, than throwing anything that would even tinkle the Defender's software-overloaded environment. Much like blowing air into an Atari game tape, as opposed to fixing something in today's on-line-based video games (those born in the 70s 80s will understand ).

 

CURRENT fleet is:

16' JKU
20 P400
11 Duc 696
13 Guzzi V7 Stone
16 Harley FLHP RK
18 Guzzi V7 Carbon Dark

In the ~7 years I've had the Jeep there's also been a 12 WK2 GC, 00 Buell ST3, 07 Harley 1200 XLr. In the few years prior to the JKU there was a CVT Juke, 6-speed Baja, 6-speed Impreza, 6-speed Mini Cooper S and a bunch of other motorcycles..

Just in the time I've had the JKU I've driven maybe a half-dozen longer term rental cars, maybe more, other Jeeps, VWs, Chevys, etc. Including a diesel 6-speed, RHD Tiquan (that was fun), and a dozen or so other bikes.

It's been years, but back at Chilton I would drive a different press car or bike most weeks.

Everything requires some adjustment I guess, but I don't remember one that was as fiddly as some press or owners make them out to be.

Again, maybe I'm a dull spoon and just ignore the nuances. I'm open to that possibility.

Or maybe I just adjust and move on.

I will say I lasted maybe a day with the hill-holder software activated on my JKU, THAT was worth shutting off. Any chance you guys all had that activated? Because THAT did introduce a lag for what I hope is obvious. But I figure that's so obvious you'd have thought of that. Or maybe there was an OEM change in the throttle software or components between yours and the 16. Or maybe I'm just a dull spoon... really, I'm ok with that possibility.

 

Yeah, I turned the hill-holder feature off about Day 3. That was truly horrible.

 

This looks tempting. The throttle response on my P300 is a little sluggish. This might help pep it up a bit. Anybody buy one yet? I’ve heard great things about pedal commander on other cars.

 

Havent bought one yet, but it's pretty high on my list of future purchases. I am also still looking for some sort of tuning that will bring out more power from the P400. I feel like it could be a real beast and put us in V8 power territory if tuned correctly!

 

I have it on my 650 hp AMG GLE 63s coupe and it's great but there's absolutely no need in my opinion on a Defender 90 p400.
Every day I say to myself this does not need more power or quicker throttle response ..

Now if your dealer sees the setup and you are in for any service they will most likely flag your car for powertrain modifications and you will have to deal with that.

Not worth the headache..I had to deal with Mercedes corporate after they flagged my GLE

 

Coming from a BMW X5, I can say that this isn't my experience at all. Definitely some lag, and it just artificially holds back.
It was something I noticed immediately after my trade in and the first drive in the Defender. Its not slow, but its definitely reserved.

There is no 'sport' mode that adjusts this, as much as I wish there were.

Is it not a simple enough thing to remove before taking in for service? It doesn't modify the factory ECU/programming at all I thought?



Is it not a simple enough thing to remove before taking in for service? It doesn't modify the factory ECU/programming at all I thought?

 

If this is anything like the sprint booster I had on my BMW it should work really well and there's no modifications for anyone to find it's just amplifying and increasing the reading the throttle sends to the car (broadly, you give it 10% throttle, it sends the signal for 20% throttle instead). The sprint booster really made the car feel more responsive. It's nothing you can't do by just being a little heavier on the throttle, but the amplification was well judged and it made an appreciable and positive difference - and yes it's simple to remove before servicing.

I'm not unhappy with the throttle response on my P400, but I may very well give this a go.

 

I still have a SprintBooster on my 2014 Wrangler. It is as you describe. The Jeep isn't one bit faster, it just responds to my foot quicker. The SB has a little controler that allows you to set one of three different levels of boost (throttle responsiveness). I have it on Max, and have since about 2015, iirc. Without it, I had a lot of trouble coordinating the throttle and clutch for smooth takeoffs because the Drive-by-wire system was engineered to be very dull and sloppy; I could get used to it but then I'd get out of that and into the 911 Turbo I had then and find I had lost the correct right-foot-to-left-foot coordination for a normal car, and I'd lurch in the Porsche. Going back and forth was a PIA. The SprintBooster erased that problem completely.

 

Interesting read here: https://outbackjoe.com/macho-diverti...s-it-worth-it/

"Offroad, a sprint booster makes it difficult to control your vehicle. Movement of your foot caused by vibration or bumps translates to much larger accidental changes to throttle then what would occur with a standard setup. Your ability to make small changes to throttle is compromised, yielding an amateur like driving style over rough terrain. Many sprint booster users will de-activate their sprint booster when offroading. Actually some vehicles automatically do the exact opposite of a sprint booster when low range is engaged in order to improve precise vehicle control. The disadvantages of sprint boosters whilst offroading are also present when on the road, but the effect is more pronounced offroad due to the rough terrain and the requirement to precisely control speed and torque whilst offroad.".

Cheers