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Primefactor23's Avatar
Primefactor23 Primefactor23 is offline
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Default Tune stacking - 01-14-2021, 10:50 PM
I really love the jb4 but want to change up the timing a little bit delete the top speed governor improve throttle response etc etc I can still run my jb4 with any flash tune correct I’m calling theses guys they telling me it won’t work with the jb4 but then bms is say they work with virtually any flash tune which is it
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Yo_Holle Yo_Holle is offline
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Default 04-29-2021, 03:06 PM
a lot of people have, thinking i may have to.
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SR1975 SR1975 is offline
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Default 04-29-2021, 03:18 PM
I've run map1, map2, and played a little with map 6 with a ESS flash tune with no issues so far.
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Steve @ BMS/Fuel-It!'s Avatar
Steve @ BMS/Fuel-It! Steve @ BMS/Fuel-It! is offline
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Default 04-30-2021, 09:18 AM
Yes, you can run the Jb4 with any flash.


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MR550i MR550i is offline
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Default 05-08-2021, 06:47 PM
I have been running my stage 1 with the jb4 with no problems at all.
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Primefactor23 Primefactor23 is offline
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Default 05-30-2021, 01:26 PM
How do I get that
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MR550i MR550i is offline
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Default 06-15-2021, 02:09 PM
Sorry for the late reply but i went to my local performance shop to get the ECU custom tune everything is in working order.
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