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(#1)
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Low boost on WOT -
12-25-2020, 08:12 PM
I’ve noticed recently that on WOT my boost has been way lower then it should be.
Mods: JB4 map 2/5 BMS intakes AP intercooler Velossa Scoops 2 step colder plugs at .0022 Straight pipe exhaust For map 5 93 with boostane and 3 gallons of e85: 17/18 psi of boost Map 5 93 and only boostane : 17/18 psi Map 2 93 only 12-14 PSI Attached is a map 2 log. I’m not really sure why my boost has dipped so much and any advice is appreciated. 
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(#3)
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12-25-2020, 10:19 PM
Not sure, maybe a small boost leak? You should run map0 to see how stock tuning boost looks.
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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(#4)
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12-26-2020, 06:41 AM
Quote:
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(#5)
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12-26-2020, 11:04 AM
OK let's see map0 when you can.
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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(#6)
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12-26-2020, 04:28 PM
Terry thank you for everything you do for the community.
I spent today doing the cleaning for the valves with sea foam to clean gdi engines. Immediately after the cleaning and procedure, back to normal boost levels. I am not saying that is the cause, but the boost problem that has been plaguing me for months is no more. I also cleaned the bms cones are reoiled. But the boost dipping was solution was resolved by the sea foam cleaner before I did the cone cleaning. What is your opinion on that?
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