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Old 03-03-2007, 07:59 PM   #1
dukeduster
Scooby Specialist
 
Member#: 95789
Join Date: Sep 2005
Location: Lovington nm
Vehicle:
2002 WRX PTE
6262, hydra, 1100 FIC

Default Boost surging on hyrbid motor

dont know where else to put this at so ill start here. Mods feel free to move.

I have a aem tru-boost with a 46mm external gate and I cant run over 8 psi without the boost surging up and down. I can run 8 psi Just fine but when i turn it up to like 14psi it wont even turn up. I then adjust the wastegate crack pressure to 11 and it will achieve 11psi but then surge back and forth from 8 to 11psi. anyone have any ideas? I also have a smaller line going to the top of the wastegate could this cause that?
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Old 03-03-2007, 10:26 PM   #2
dukeduster
Scooby Specialist
 
Member#: 95789
Join Date: Sep 2005
Location: Lovington nm
Vehicle:
2002 WRX PTE
6262, hydra, 1100 FIC

Default

nevermind i am an idot lol. I fogot i am setting duty cycle on the boost controller not psi.
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