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terryd5150 terryd5150 is offline
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Default JB4 for Meth and PI BOTH. - 03-25-2018, 09:40 AM

Somewhat of a basic question, but searching the internet I can only find information on one or the other.

Regardless, can a JB4 control both Meth and PI (E50) at the same time?

Meth would be dual cm5/7 CP nozzles (for cooling only), PI would be fed off a stage 3 lpfp.

Can JB4 do it?

If so, what would be needed to make it work?
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Terry @ BMS's Avatar
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Default 03-25-2018, 09:53 AM

With FSB orange installed the JB4 can control WMI. Although, normally it's a waste of time. If you have PI you're using E85 and don't need WMI. If you odn't have E85 you don't need PI.


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Default 03-25-2018, 10:15 AM

Quote:
Originally Posted by terryd5150
Somewhat of a basic question, but searching the internet I can only find information on one or the other.

Regardless, can a JB4 control both Meth and PI (E50) at the same time?

Meth would be dual cm5/7 CP nozzles (for cooling only), PI would be fed off a stage 3 lpfp.

Can JB4 do it?

If so, what would be needed to make it work?
I think you should connect everything except JB4 signal (blue) #16. not sure but Terry should confirm this, though you will only see PI signal.



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Default 03-25-2018, 11:03 AM

Terry I think meth injection and E85 port injection if you live in hot weather like caribbean is good. Without meth flow even with Port injection working I saw 20-25 over ambient.


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Default 03-25-2018, 11:17 AM

With E85 being so knock resistant the drop in IAT doesn't carry the same performance benefits as it would on normal gas though. Thus the minimal benefit.


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Stoolz Stoolz is offline
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Default 03-25-2018, 12:47 PM

Quote:
Originally Posted by Terry @ BMS
With E85 being so knock resistant the drop in IAT doesn't carry the same performance benefits as it would on normal gas though. Thus the minimal benefit.
So.

Being in sub tropical Australia , I left a cm5 nozzle installed for Iat reduction. I would prefer to completely remove my meth kit which is the reason I went PI in the first place. (Had someone post on here to keep it).
Meth is a waste of time then?
I have E85 2 blocks away, no issue there.


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Default 03-25-2018, 12:51 PM

Since it's already installed measure performance with and without it and make the determination. Something like Dragy is great for doing that.


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alex_beridze alex_beridze is offline
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Default 12-18-2018, 07:32 AM

Hello Terry
I need to use PI for meth with fuel it rail and jb4 pi controller, but for IAT cooling I need to use charge pipe meth too with 4CM nozzle. how I can use both system at same time? I don't need logging of charge pipe meth I need only control it with solenoid from jb4. is it possible?

BR Alex
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blackhat75 blackhat75 is offline
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Default 12-18-2018, 09:35 AM

Quote:
Originally Posted by alex_beridze
Hello Terry
I need to use PI for meth with fuel it rail and jb4 pi controller, but for IAT cooling I need to use charge pipe meth too with 4CM nozzle. how I can use both system at same time? I don't need logging of charge pipe meth I need only control it with solenoid from jb4. is it possible?

BR Alex
So you want to run 6 meth injectors via PI through the Fuel-It rail and control them with the PI Controller, right? Were you going to run a meth line from the fuel(meth) rail to a single meth nozzle in the chargepipe? You could put a hobbs switch controlled solenoid in the CM4 line. The rail would supply the meth to the PI injectors AND the CM4, the PI controller would turn on the pump(via 10A relay), solenoid and fire injectors and the adjustable hobbs switch would activate the ground to the solenoid running to the CM4.
I think anything's possible if you have the time, money and determination.
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alex_beridze alex_beridze is offline
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Default 12-18-2018, 10:02 AM

Hello
Can i run solenoid directly from JB4 without hobbit switch?
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Default 12-18-2018, 11:13 AM

Quote:
Originally Posted by alex_beridze
Hello
Can i run solenoid directly from JB4 without hobbit switch?
What are you trying to do?


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Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.
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alex_beridze alex_beridze is offline
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Default 12-18-2018, 11:24 AM

Quote:
Originally Posted by Payam @ BMS
What are you trying to do?
Hello
I need to run PI controller for meth and for IAT cooling need olso one 4cm nozzle on the chargepipe, but i dont know where connect solenoid for chargepipe meth. Trebilla sed i dont need fsb i must attach solenoid directly to jb4 but dont know how
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blackhat75 blackhat75 is offline
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Default 12-28-2018, 10:26 AM

If I connect the G5 NLS relay kit's output to a meth pump, will the "External Trigger" values of the JB4 interface be relevant to when the pump turns on?
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