ECM throttle control - Polaris RZR Forum - RZR Forums.net
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post #1 of 11 Old May 13th, 2019, 06:33 AM Thread Starter
 
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ECM throttle control

Is it possible to reduce or eliminate the throttle control in low gear 2 wheel drive? I'm typically in 2 wheel probably 90% of the time. I wouldn't even mind reducing it about 50% in low 4 wheel drive. Maybe some of you ecm gurus can chip in with some advice. 2017 R&T.
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Dwight
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post #2 of 11 Old May 13th, 2019, 07:11 AM
 
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Re: ECM throttle control

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Originally Posted by Dwight45 View Post
Is it possible to reduce or eliminate the throttle control in low gear 2 wheel drive? I'm typically in 2 wheel probably 90% of the time. I wouldn't even mind reducing it about 50% in low 4 wheel drive. Maybe some of you ecm gurus can chip in with some advice. 2017 R&T.
Thanks
Dwight
Not sure what mean by "eliminate throttle control". There are torque limits and throttle mapping for each gear. These can be tailored to the drivers liking.
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post #3 of 11 Old May 13th, 2019, 03:40 PM Thread Starter
 
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Re: ECM throttle control

Do you have a TRE Joe? I don't remember if you do or not but if you do then you are aware of the difference in throttle pedal travel between low 2wd and 4wd. I'm not sure if they change pedal travel for low 2wd but if they do I'd like to get rid of it. Low 4wd, imo, they should reduce pedal travel. Here is a simple example, if you get full throttle with 2" of pedal travel in high 2wd it probably takes 3 or 4" of pedal travel in low 4wd. I've also heard that full throttle in low 4wd is only 70%. I'd prefer that Polaris left the throttle alone and give control back to me. It's not for everyone, but I'd like to have the choice. Hope this makes sense.
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post #4 of 11 Old May 13th, 2019, 03:46 PM
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Re: ECM throttle control

Quote:
Originally Posted by Dwight45 View Post
Do you have a TRE Joe? I don't remember if you do or not but if you do then you are aware of the difference in throttle pedal travel between low 2wd and 4wd. I'm not sure if they change pedal travel for low 2wd but if they do I'd like to get rid of it. Low 4wd, imo, they should reduce pedal travel. Here is a simple example, if you get full throttle with 2" of pedal travel in high 2wd it probably takes 3 or 4" of pedal travel in low 4wd. I've also heard that full throttle in low 4wd is only 70%. I'd prefer that Polaris left the throttle alone and give control back to me. It's not for everyone, but I'd like to have the choice. Hope this makes sense.
Dwight
Dynojet PVCX & a Stage 1 tune ( I use Aftermarket Assassins ), will give pretty much all the throttle control back to you.

Those TRE are such a good concept, I love the idea, but I think Polaris missed the mark a little bit on them, and the throttle mapping is one reason why.

"I strive for a level of perfection I don't possess the skillset to achieve"
2018 XPT4 - Bailey

Help me get some info in these threads: Tire Height --- Front Diff
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post #5 of 11 Old May 13th, 2019, 04:50 PM
 
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Re: ECM throttle control

Quote:
Originally Posted by Dwight45 View Post
Do you have a TRE Joe? I don't remember if you do or not but if you do then you are aware of the difference in throttle pedal travel between low 2wd and 4wd. I'm not sure if they change pedal travel for low 2wd but if they do I'd like to get rid of it. Low 4wd, imo, they should reduce pedal travel. Here is a simple example, if you get full throttle with 2" of pedal travel in high 2wd it probably takes 3 or 4" of pedal travel in low 4wd. I've also heard that full throttle in low 4wd is only 70%. I'd prefer that Polaris left the throttle alone and give control back to me. It's not for everyone, but I'd like to have the choice. Hope this makes sense.
Dwight
I don't have a TRE but they all have drive by wire with throttle position mapping. The throttle ramp in AWD for all models is similar with a progressive throttle map. Torque and max throttle are limited in L, R, & AWD. As RWB173 said with a Dynojet PVCX the throttle ramp rate can be tailored any way to like. I guessing you want it linear (1:1). You can get tune with or without adding power and does away with all the limiters and has the throttle mapped the way you like it. Give Mike at AA a call and get him what your looking for.
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post #6 of 11 Old May 13th, 2019, 05:29 PM
 
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Re: ECM throttle control

Correction - I had to go look at the maps and refresh my memory. The "pedal to requested torque" is limited by gear selection and not AWD.


Here this makes it simple:



These are the base throttle maps and there are 2 more for each gear with other factors. These can be easily tailored to what you want with a PCVX

Last edited by RZR_Joe; May 13th, 2019 at 05:42 PM.
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post #7 of 11 Old May 13th, 2019, 07:06 PM
 
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Re: ECM throttle control

The TRE throttle map isn’t close to other model as you suggest joe


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post #8 of 11 Old May 14th, 2019, 04:13 AM
 
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Quote:
Originally Posted by Metki View Post
The TRE throttle map isn’t close to other model as you suggest joe


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It's an example..... LOL

Anyone have a stock TRE program they can send me, PM me.
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post #9 of 11 Old May 14th, 2019, 07:36 AM Thread Starter
 
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Re: ECM throttle control

Joe, if you get that TRE program I would sure like to see it next to one from a standard XP. Just be cool to see the difference between them. So if I do the tuner and decide I need to change it can I do it or do I have to send it back? Probably have to get a grandkid to do it anyway!
By the way, thanks for the replies, occasionally us old dogs can learn new things.
Dwight
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post #10 of 11 Old May 14th, 2019, 07:40 AM
 
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Re: ECM throttle control

Quote:
Originally Posted by Dwight45 View Post
Joe, if you get that TRE program I would sure like to see it next to one from a standard XP. Just be cool to see the difference between them. So if I do the tuner and decide I need to change it can I do it or do I have to send it back? Probably have to get a grandkid to do it anyway!
By the way, thanks for the replies, occasionally us old dogs can learn new things.
Dwight
If you get a tune from a "tuner" it will be locked and you will not be able to see or change anything. However, with the PVCX you can modify the stock tune yourself. Hell, if you get one I'll modify the settings to how you like for you.
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post #11 of 11 Old May 15th, 2019, 06:09 AM Thread Starter
 
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Re: ECM throttle control

Thanks for the offer Joe. At $350 + or - I think I'll spend my money on a spring kit first. Then maybe consider the Turner, I've already put up with it for 3000+ miles so I guess I can live with it for a while longer.
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