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(#1)
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Overboost Adjustments w/ logs -
04-25-2022, 10:03 AM
Having some issues with the boost struggling to stay on target. FF seems to be consistently higher than the WGDC so my though would be to lower the Duty Cycle for each RPM range or reduce the FF under the Adjustable Setting's since it seems to be lowering on its own after each run anyway.
- Pure Stage 2 Hi-Flow Twin Turbos with 2" inlet - High Flow Relocation 2" Inlets - JB4 with MHD back-end flash - ER Charge Pipe & Tial BOV - Custom Intake and Air box - RB PCV Valve - AR ******* ********* - N55 Midpipe - Berks Race Axle Back - Improved Racing High-Flow 185F External Thermostat - NGK 97506 2-Step Colder Spark Plugs 3.5 Bar TMPA sensor on order, but stock TMAP still installed. The first log seems ok, but the second run after shifting to 4th, it seems like there is a struggle to adjust the boost and it kicks me into Map4.  
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(#2)
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04-26-2022, 03:04 PM
Raise your boost safety to 23 psi. Scale down your duty bias by 4 in all boxes. Trim variance is also existent, not bad, but if you have no record of replacing O2's or if you run burbles frequently, make sure to check them. It also wouldn't hurt to check if you have a clogged/leaky injector.
 Home of the JB4 the worlds most popular turbocharged tuning system! 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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(#3)
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04-30-2022, 12:11 PM
Quote:
I thought Terry said the boost safety is basically not active anymore ?? It triggers a few psi over target regardless of what value a user enters ???
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(#4)
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05-01-2022, 01:09 PM
What are you using on the LPFP side?
Your Psi is tanking towards the end of your pulls Home of the JB4 the worlds most popular turbocharged tuning system! 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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(#5)
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05-16-2022, 09:07 AM
Quote:
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(#6)
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06-07-2022, 05:18 PM
PI forsure!
Home of the JB4 the worlds most popular turbocharged tuning system! 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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