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Discussion Starter · #1 ·
Hi guys!

Is anyone able to tell me what the configurations for the various maps on the JB4 are? Also, I am wondering what stock boost levels are with the performance package veloster n and how much boost is increased with the JB4 maps.

Thank you!
 

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Hi guys!

Is anyone able to tell me what the configurations for the various maps on the JB4 are? Also, I am wondering what stock boost levels are with the performance package veloster n and how much boost is increased with the JB4 maps.

Thank you!
Stock boost levels usually peak between 15-16psi, depending on ambient temperatures (and other factors). I know lap3 pro tuner peaks around 20psi on 93 octane (I believe stock ecu limits boost at 21psi). I imagine jb4 is somewhere in that area depending on your chosen map.
 

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Discussion Starter · #3 ·
Stock boost levels usually peak between 15-16psi, depending on ambient temperatures (and other factors). I know lap3 pro tuner peaks around 20psi on 93 octane (I believe stock ecu limits boost at 21psi). I imagine jb4 is somewhere in that area depending on your chosen map.
Thank you so much modjack! Time for a drive :)
 

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Has any one done the Firmware update on there JB4 To version 15 stable or 16 beta? I did it last night and while it was updating my fan kicked on. The car was running great as i just did the AFE DOWN PIPE AND MID But shortly after I noticed my fan will not shut off until I turn the car off now it starts running immediately after starting the car? Any one else have this issue or any suggestions? I would appreciate any feedback or advice.
 

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Discussion Starter · #5 ·
Hi N Style Motorsports,

Did this only happen after updating to the beta version? I would guess the stable version has less tweaks. Also if I may ask, did you use a lift or jack stands to install the downpipe?
 

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Has any one done the Firmware update on there JB4 To version 15 stable or 16 beta? I did it last night and while it was updating my fan kicked on. The car was running great as i just did the AFE DOWN PIPE AND MID But shortly after I noticed my fan will not shut off until I turn the car off now it starts running immediately after starting the car? Any one else have this issue or any suggestions? I would appreciate any feedback or advice.
Switch back to the previous version and see if it stops before doing anything else.
 

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Hi N Style Motorsports,

Did this only happen after updating to the beta version? I would guess the stable version has less tweaks. Also if I may ask, did you use a lift or jack stands to install the downpipe?
No actually I had a shop do the install. I live in an apartment so there was no way I could even attempt it. Also the shop did it for very cheap considering i promised him i have about 4 more N's coming to do the install and just spreading the word around for him!
 

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Hi N Style Motorsports,

Did this only happen after updating to the beta version? I would guess the stable version has less tweaks. Also if I may ask, did you use a lift or jack stands to install the downpipe?
I managed to find the problem. It was the fan control module some how water got in? There is a big plug underneath the intake where you would hook up a velosa tech big mouth ( the part that would feed air to the stock airbox ) very strange I've never washed the engine ( like spaying it with water) but some how water made its way in to this big plug i unplugged it cleaned and dried it and everything is working fine. It has nothing to do with the JB4 update just a Weird coincidence.
 

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2021 GT500 CFTP, 2020 Veloster N
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Hey I'm wondering if it is ok to run Map 2 on 91 oct for short stints or should I stick to Map 1 only?
Iver been told by burger motor sports that you can run 91 on map 2 but it must contain ethanol.. I personally wouldn’t run it, but it wouldn’t hurt to try it out, log it, and send a log in to BMS.
 
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