Drivetrain (Cooper S) MINI Cooper S (R56) intakes, exhausts, pulleys, headers, throttle bodies, and any other modifications to the Cooper S drivetrain.

Drivetrain Tweaking the JB+

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Old 08-24-2016, 12:56 PM
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Tweaking the JB+

I couldn't find a "tuning" specific forum so here I go. I just bought a JB+ and I have everything to maximize air flow on my r55 other than an aftermarket downpipe.

I currently have the thing set at 75% because of the extreme Georgia heat in the summer (even with a large FMIC). I see people saying that 100% isn't necessarily the best setting for it. Cool weather is coming and I want to find a way to figure out what % setting is best for the JB+. Anybody have any inexpensive methods or tools to suggest?
 

Last edited by sammcdade; 08-24-2016 at 05:55 PM.
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Old 08-24-2016, 02:08 PM
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F55 and JB+ doesn't compute?
 
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Old 08-24-2016, 05:57 PM
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Originally Posted by Minnie.the.Moocher
F55 and JB+ doesn't compute?
Corrected it to r55. My bad.
 
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Old 08-24-2016, 06:10 PM
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Originally Posted by sammcdade
Corrected it to r55. My bad.
Is this a Gen 1 JB+ or Gen 2?

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Old 08-24-2016, 07:30 PM
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You need to watch/log timing advance during WOT runs to see if it is pulling timing which means its pinging. If it is, dial back the jb+ or get higher octane gas.
 
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Old 08-24-2016, 07:36 PM
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Originally Posted by MarioKart
Is this a Gen 1 JB+ or Gen 2?

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Gen 2, if I went through them, I might as well get a custom tune from them right?
 
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Old 08-24-2016, 07:37 PM
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Originally Posted by yesti
You need to watch/log timing advance during WOT runs to see if it is pulling timing which means its pinging. If it is, dial back the jb+ or get higher octane gas.
What kind of tool can I use to watch or log timing?
 
  #8  
Old 08-25-2016, 12:21 AM
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Originally Posted by sammcdade
Gen 2, if I went through them, I might as well get a custom tune from them right?
Gen 2 you can turn all the way up. I use Dashcommand APP and you need a wifi OBD2 dongle for iPhone or Bluetooth if you use Android

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Old 08-25-2016, 05:27 AM
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Originally Posted by MarioKart
Gen 2 you can turn all the way up. I use Dashcommand APP and you need a wifi OBD2 dongle for iPhone or Bluetooth if you use Android

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Perfect, thanks for your help!
 
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Old 08-25-2016, 05:12 PM
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Removed and started own thread so I wouldn't hijack.
 
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