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ddnspider ddnspider is offline
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Default 06-16-2019, 04:51 AM

-20wwf is ~30-35% meth, the rest is water.
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(#152)
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jrobohm jrobohm is offline
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Default 06-16-2019, 08:33 AM

On your JB4 WMI settings - what are you running with?

Boost Additive = ?
Signal Scaling = ?
Min Flow Boost = ?
External Trigger = ?
Min RPM = ?
Max RPM = ?


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(#153)
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ddnspider ddnspider is offline
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Default 06-16-2019, 02:17 PM

Quote:
Originally Posted by jrobohm
On your JB4 WMI settings - what are you running with?

Boost Additive = ?
Signal Scaling = ?
Min Flow Boost = ?
External Trigger = ?
Min RPM = ?
Max RPM = ?
It amazes me that I can't even upload a screen shot from my phone due to size limitations. Anyways:
Boost Additive = 50
Signal Scaling = 60
Min Flow Boost = 0
External Trigger = 1
Min RPM = 2000
Max RPM = 6800
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(#154)
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jrobohm jrobohm is offline
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Default 06-16-2019, 03:29 PM

Thanks - do we know what impact Boost Additive has ?

My guess it relates to Map8 somehow - perhaps it means amount of boost added over stock (e.g. 50 = +5.0 psi ?)


2017 Q50 Premium RWD
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(#155)
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ddnspider ddnspider is offline
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Default 06-16-2019, 04:32 PM

Boost additive is how aggressive the boost target is under full meth flow. I asked about signal scaling awhile back but didn't get an answer.
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(#156)
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Terry @ BMS's Avatar
Terry @ BMS Terry @ BMS is offline
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Default 06-16-2019, 09:04 PM

Signal scaling is normally 60 for an FSB running a BMS WMI pump. If you're using another pump it may need to be higher or lower. It's the min flow for the JB4 to consider the pump at full flow.

Boost additive is how much boost you make on map8 under full meth flow. the higher the number the higher the boost target. The system scales between a map similar to map1 with a 0 additive and similar to map7 with a 75 additive. The additive can be set up to 100 but normally 75-80 is the practical maximum.


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jrobohm jrobohm is offline
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Default Yesterday, 11:15 AM

Terry - Many thanks for the clarification and for the review of the attached log via email. For my fellow WMI mates - the log looks promising for moving the Boost Additive number from 75 incrementally up.

BMS WMI
Attached Files
File Type: csv 2019-06-17 11_36_53_Map-8.csv (13.8 KB, 5 views)


2017 Q50 Premium RWD
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  • BMS WMI
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Last edited by jrobohm; Yesterday at 12:00 PM.. Reason: typo
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(#158)
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ddnspider ddnspider is offline
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Default Today, 07:39 AM

Quote:
Originally Posted by jrobohm
Terry - Many thanks for the clarification and for the review of the attached log via email. For my fellow WMI mates - the log looks promising for moving the Boost Additive number from 75 incrementally up.

BMS WMI
Looks good to me! You're running some decent boost, not sure I'd turn it up much more. What fluid are you using? Timing looks good. AFR trims are about maxxed.
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(#159)
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jrobohm jrobohm is offline
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Default Today, 08:06 AM

@ E30 fuel blend - explains the Trims topping out I would assume.
Using Boost Juice
I have moved up to a Boost Additive number of 78 - logs to follow.


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(#160)
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Payam @ BMS's Avatar
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Default Today, 09:22 AM

The WMI kit for these cars is a must IMO. Being able to use this to lower IAT as well as more fuel volume and octane is just a no brainer.


Burger Motorsports
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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