JMS PedalMAX Drive By Wire Throttle Enhancement Device? - Ford Mustang Forum
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post #1 of 26 (permalink) Old 08-15-2015 Thread Starter
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JMS PedalMAX Drive By Wire Throttle Enhancement Device?

Just got an email from Steeda with this item for sale: JMS Mustang PedalMAX Drive By Wire Throttle Enhancement Device (11-15 All).
Have any of you purchased such a thing? I know with my automatic I experience this throttle lag when coming to a stop and starting again but does anyone have any experience with it? It says HP and torque gains... doubtful, but correcting the lag that is described would be nice.
Any input?
Thanks.

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post #2 of 26 (permalink) Old 08-15-2015
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At that price you are close to buying a canned or email tune and tuner and that'll certainly deal with the problem and give you some real power too. Take the money spent there and donate it to the tune cause.


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post #3 of 26 (permalink) Old 08-16-2015
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I have one and like it. Here is a good thread on it: Installed JMS PedalMax... wow! - The Mustang Source - Ford Mustang Forums

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post #4 of 26 (permalink) Old 08-16-2015
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From that link...

DIY THROTTLE RESPONSE MOD (MUST SEE!) - MustangForums.com

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post #5 of 26 (permalink) Old 08-16-2015
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A tuner can add all the throttle response you want. Bama is famous for this on their "race tunes".

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post #6 of 26 (permalink) Old 08-16-2015
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Here is another big thread about this product. I've been thinking about getting one. I still want to retain my warranty so a tune is out for me and the Pedalmax supposedly doesn't void your warranty.
JMS PedalMax - 2015+ S550 Mustang Forum (GT, GT350, GT500, I4, V6) - Mustang6G.com

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post #7 of 26 (permalink) Old 08-16-2015
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Here is another big thread about this product. I've been thinking about getting one. I still want to retain my warranty so a tune is out for me and the Pedalmax supposedly doesn't void your warranty.
JMS PedalMax - 2015+ S550 Mustang Forum (GT, GT350, GT500, I4, V6) - Mustang6G.com

Wayne

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post #8 of 26 (permalink) Old 08-17-2015
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You get how this works right? It's just a scalar for the throttle position commanded v. actual. So, all you are doing is opening the throttle plate more for less action at the pedal.

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post #9 of 26 (permalink) Old 08-17-2015
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Lots of cars stack the power up front as in foreign economy cars.
I do the obligatory econobox rentals here and there and it makes them feel powerful considering the initial responsiveness of the accelerator pedal. Of course, when you use the other remaining 75% of the pedal, there isn't much there.

I see nothing wrong with such however.

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post #10 of 26 (permalink) Old 08-17-2015 Thread Starter
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Thanks TommyV and Tominator and others!

That DIY is definitely the ticket. Either way, even with that Pedal Max unit, if those brushes aren't contacting the right way it won't matter to take away the dead spot. This DYI is the answer I believe. That previous thread was awesome... as usual people were over-analyzing his very well written and documented write-up but once you cut through the bull it was a great thread.

And just to double check, this is OK to do in my 2012, right?
Thanks guys.

Oh and by the way, does this site run an app. Anymore? The Auto Guide app I was using for this forum isn't working now and I didn't know if it was my phone and tablet or if AllFords was not using it anymore.

Thanks again!
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I have one. Won it in a raffle. It helped, but I'm not sure I would have gone the route if I purchased it with my own money. As others said, my car really woke up with the tune.

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pedalmax

I just installed one in my 13 6M car last Friday and I think it made a big difference. I had a local dealer install the Procal tune because of warranty and it wasn't what I thought 60FTLBs would feel like at 1500rpm. I can tell you that the car is much more responsive. I was on another forum and got bashed because "I wasted money on this and could have bought a canned tune and yada yada yada. then the dude got real smart and I'm no longer welcome on that forum. Bottom line is I think it's worth it. I've had a tune on a 2006 by Alternative Auto and my 13 is still so much more car as it sits. It's kind of hard to throw away bumper to bumper coverage to June 2019
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I seen that thread about opening up the accelerator pedal and tweeking hair like wire sweeps to get rid of the dead spot but messing with throttle or brakes is not something I'm willing to do. This JMS thing has to be safe from that standpoint because of possible litigation.
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The JMS pedalmax works...yeah it just scales up the response, but it does work and stacks very well with a good tune. You'll have to get used to not doing accidental burn-outs after you install it LOL

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I wish we could just get instantaneous linear throttle response:
press pedal 12.5%, get 12.5% throttle instantly

press pedal 25%, get 25% throttle instantly

press pedal 50%, get 50% throttle instantly

and so on and so forth
Unfortunately, I don't think we will ever get that with the fly-by-wire system. There will always be some lag in the system because the throttle body takes some time to respond to the input.

The tunes and this device try to compensate for it by making it more "responsive"
press pedal 12.5%, get 25% throttle after a short lag

press pedal 25%, get 50% throttle after a short lag

and so forth

I am not sure that is really an improvement


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