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12-01-2020, 10:41 AM
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#1 |
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Trouble_SM
Drives: 17' Summit White ZL1 Join Date: Jan 2015
Location: Midlothian, TX
Posts: 449
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Losing boost
2015 Camaro SS 1LE
Thompson Dart 388 Car is losing boost at the 330' mark on every pass. It is going from the commanded boost, down to gate pressure. I currently run a Boost Leash Pulse controller with co2. I tried making a pass without the controller on and the car actually made the full pass on gate pressure. Wondering if anyone here has experienced this sort of issue? Any help is appreciated.
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12-01-2020, 01:18 PM
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#2 |
 
Drives: 2012 camaro 2ss rs L99 Join Date: Feb 2017
Location: North Sioux city SD
Posts: 446
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Have you made successful passes at the desired rate and now its changed? Or are you trying to increase your rate and its not allowing you to?
After checking for the obvious leaks etc. If it were me I would change the spring to a higher pressure rate and make a pass and see if it holds that new rate. If so then you know its the controller system. *shrug*
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2012 2SS/RS, L99, no cats/mufflers, Ported intake manifold, fuel rail upgrade, ID1050x injectors, Vmax throttle body, 25% UDP, GPI DOD delete, GPI SS3, GPI cnc heads, GPI – 5/16″ Hardened Pushrods, BTR trunion upgrade, BTR .660 springs, pcv revamp w/dual catch cans, Circle D 3800, full BMR suspension & bushings. ZL1 fuel pump, HPT programmed fpcm. JMS bap, Snow VC-50 methanol setup. custom 4gal methonal tank, vs7875 turbo, FMIC, precision 46mm WG, 50mm BOV, 3bar map, SJM line lock, Innovate SCG-1, Hurst shifter with tap shift mod, ×2 Holley 14" fans Diy E85, Diy auxiliary pump
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12-02-2020, 01:17 PM
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#3 |
 Drives: 10 SS A6 Huron TT Join Date: Oct 2016
Location: New Baltimore MI
Posts: 90
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Just curious, are you still stock PCM?
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2010 2SS RS / A6 and Sunroof / Huron Speed TT / cam/ E85 fuel system / 3200 stall / SBE
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12-02-2020, 09:43 PM
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#4 |
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Trouble_SM
Drives: 17' Summit White ZL1 Join Date: Jan 2015
Location: Midlothian, TX
Posts: 449
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Yes, stock pcm.
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12-10-2020, 04:10 PM
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#5 |
   Drives: it changes Join Date: Nov 2010
Location: Norn Iron
Posts: 1,126
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And does the controller not have any logging to tell you what it's doing ?
Presumably if using co2, you log dome pressure...so what is it doing ? |
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12-29-2020, 09:14 PM
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#6 |
 Drives: 2013 ss2 vert l99 Join Date: Apr 2017
Location: South florida
Posts: 150
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Hitting boost cut?
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01-02-2021, 04:41 PM
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#7 |
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Trouble_SM
Drives: 17' Summit White ZL1 Join Date: Jan 2015
Location: Midlothian, TX
Posts: 449
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Boost controller gone haywire. Sending it back for a new one.
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