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-   -   Part throttle upshift - Predator - U7137 (http://www.jeepgarage.org/f6/part-throttle-upshift-predator-u7137-22606.html)

blackpepper 05-01-2011 01:18 PM

Part throttle upshift - Predator - U7137
 
I've done a little reading and decided to mess with my part throttle upshifts.

Basic settings:
Canned 91 octane tune
MDS OFF
Rev Limiter +600
Speed Limiter 190 (:D)
WOT 1-2 @ 5800 rpm
WOT 2-3 @ 5800 rpm

I don't know why I haven't done this earlier but I think I really honed in the settings and let me tell you all.. I don't know why I haven't done this earlier. The shifts are better and the RPM range has improved dramatically. I just set it to this setting last night and I personally feel that these are optimal settings for everyday driving. You can adjust them higher if you want harder shifts but this is where I left everything and I'm really happy. I don't know yet if this hurts or helps fuel economy since this change is relatively new, but I will update with my observations.

Just incase anyone would like to know, in the part throttle upshift section of the predator.. "APP" 'means accelerator position percentage'

Part throttle upshift settings:

1st - 2nd
15% 1800
25% 2200
33% 2800
40% 3000
60% 5000

2nd -3rd
10% 1800
20% 2200
30% 2800
40% 3000
60% 5000

I just wish that the U7137 offered part throttle downshifts. I recommend that people sit with their tuner for a little bit and try it out, tweak it and have fun. Because that's what it's all about !!!!

(disclaimer: I accept zero responsibility, use at your own risk :))

blackpepper 05-01-2011 01:59 PM

Re: Part throttle upshift - Predator - U7135
 
I'm not sure if this affects tow/haul mode (since that already changes the shift points), but I'll report on that later after my Sunday drive.

JeepCoop 05-01-2011 03:08 PM

You rock, Ryan! I'm gonna look into the Ryan toon and try it out. After reading into it too, it seems perfect for the kinda driving I do. Lemme know how the mpgs are


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blackpepper 05-01-2011 04:47 PM

Re: Part throttle upshift - Predator - U7135
 
"Ryan toon" .... :lol:

Roger that on the MPGs

Chaoul1 05-01-2011 07:08 PM

Re: Part throttle upshift - Predator - U7135
 
Tell me how it is Ryan!

blackpepper 05-02-2011 11:35 AM

Re: Part throttle upshift - Predator - U7135
 
I couldn't be happier. And I honestly "feel" that the tow/haul button is less effective than this setting... still too early to tell for sure but initial tests are telling me that the Jeep likes the adjusted parameters better than tow/haul mode.

I drove 15 miles down the hwy with cruise control on (moderate elevation changes) and was able to get 18.7 mpg with MDS off and the wheels.. it's an improvement (for this drive) but like I said, I would need to go through a full tank to see actual benefits.

JeepCoop 05-02-2011 12:06 PM

Hmm I'm still thinking bout this for my dubK. Sounds toight like a toiger! Why MDS off?! I don't even notice mine. I do 50/50 city/fwy driving..


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blackpepper 05-02-2011 12:07 PM

Re: Part throttle upshift - Predator - U7135
 
I notice mine, even with the mobil 1 so sometimes I leave it off and Brad's right, what's the point around town? Maybe on a road trip where it can best be utilized but MDS just takes away from the daily driving experience :)

JeepCoop 05-20-2011 08:11 PM

Just changed my canned 91 to the blackpepper toona! Will give an update after I've driven it for a lil while. So far I'm loving where she shifts. Good improvement so far. I left my MDS on since I don't feel it. Thank you, Ryan!! :D

Chaoul1 05-20-2011 08:17 PM

Re: Part throttle upshift - Predator - U7135
 
I have a problem though! I turned my MDS OFF* and it still activates :(. I'm trying to get a CMR Tune. I have to Data Log. I'll try out these numbers on Monday.

JeepCoop 05-20-2011 08:45 PM

Quote:

Originally Posted by Chaoul1 (Post 418274)
I have a problem though! I turned my MDS OFF* and it still activates :(. I'm trying to get a CMR Tune. I have to Data Log. I'll try out these numbers on Monday.

Dude all I can say is she's like a rocket now!! I'm super serial. Haha

Try reloading the tuner and turn MDS off. I had to set my tires perimeters and pressure sensors twice ;)

On a side note I'm gonna charge Ryan the extra money I dump on gas trying to race everyone. Haha jk bud. Thank you for doin the research on this tune.

Chaoul1 05-20-2011 09:18 PM

Re: Part throttle upshift - Predator - U7135
 
I'll out on Monday. I can't wait! :D


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