 Boost surging between 11-13psi, Boost set at the 13psi with boost controller but falling back |
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 Oct 20, 2011 - 12:32 PM
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Enthusiast  Joined Aug 15, '10 From Nevis, West Indies Currently Offline Reputation: 0 (0%)  |
I got a go fast bits boost controller, set at 13psi, at full acceleration it goes up to 13psi but the falls and rises back to 13psi rapidly, I can feel the acceleration jumping and falling back accordingly, Spikestop is off on the boost controller, and when I turn off the controller and run wastegate 10psi it doesn't jump around at all, what could cause this? On a cold night it tends to be better behaved.
-------------------- 1994 Toyota Celica GT-Four ST205 Turbo 4WD, Black
Nevis, West Indies |
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Oct 20, 2011 - 2:14 PM
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 Enthusiast Joined Feb 7, '03 From Northern Virginia Currently Offline Reputation: 23 (100%) |
did you block off TVSV?
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Oct 20, 2011 - 2:26 PM
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 Enthusiast Joined Oct 7, '09 From Northern kentucky Currently Offline Reputation: 8 (90%) |
your wastegate settings are off, i had the same issue with my truboost
-------------------- 1996 Toyota Celica Project Mean Green
3RD Gen 3SGTE WRC Edition W/LSD E153 - Love BOOST <3 2001 Solar yellow Lexus IS300 2001 Dodge ram 1500 Off-road edition |
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Oct 20, 2011 - 6:09 PM
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Enthusiast Joined Aug 15, '10 From Nevis, West Indies Currently Offline Reputation: 0 (0%) |
QUOTE (purplegt4 @ Oct 20, 2011 - 2:14 PM)  did you block off TVSV? TVSV disconnected and lines are blocks off. QUOTE (96stgreendemon @ Oct 20, 2011 - 2:26 PM) your wastegate settings are off, i had the same issue with my truboost Explain to me, I have stock internal wastegate, and set the boost by increasing duty cycle slowly until I reach 13psi. -------------------- 1994 Toyota Celica GT-Four ST205 Turbo 4WD, Black
Nevis, West Indies |
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Oct 20, 2011 - 6:20 PM
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Enthusiast Joined Oct 7, '09 From Northern kentucky Currently Offline Reputation: 8 (90%) |
Should have a way to input the stock wastegate spring pressure, ive found that mine on the 3rd gen is around 6.5lbs pressure. then that feeds off the duty cycle
-------------------- 1996 Toyota Celica Project Mean Green
3RD Gen 3SGTE WRC Edition W/LSD E153 - Love BOOST <3 2001 Solar yellow Lexus IS300 2001 Dodge ram 1500 Off-road edition |
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Oct 30, 2011 - 9:24 PM
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Enthusiast Joined Aug 15, '10 From Nevis, West Indies Currently Offline Reputation: 0 (0%) |
QUOTE (96stgreendemon @ Oct 20, 2011 - 6:20 PM) Should have a way to input the stock wastegate spring pressure, ive found that mine on the 3rd gen is around 6.5lbs pressure. then that feeds off the duty cycle nope, my controller is not that complexed, its has these three to adjust..Duty Cycle..Gain..Spike Stop -------------------- 1994 Toyota Celica GT-Four ST205 Turbo 4WD, Black
Nevis, West Indies |
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