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Scion tC 1G Forced Induction Turbo and supercharger applications...

Boost Creeping

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Old 07-27-2006, 12:40 PM
  #21  
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Originally Posted by rhythmnsmoke
Originally Posted by Rasta
Originally Posted by rhythmnsmoke
Then maybe it is the 3" pipe. I have TIAL as well, and never experienced boost creep. I'm running the ZPI exhaust/S-pipe which is 2.5 all the way through.
I doubt that is the problem. I mean it has big exhaust housing. I think it is the size of the turbo I don’t think anyone has one as big as mine on there TC. I tell you what though if I can get this thing figured out this car is going to run hard. I can feel it when I am driving it, it wants to get crazy...If I hammer it in 3rd it cut the tires loose the boost gets to around .7-.8 bar.


What size turbo are you running?
T4 60" Ball Bearing
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Old 07-28-2006, 12:40 PM
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Big turbo/low boost is one of the senerios which requires a large wastegate to bypass excess exhaust pressure.

Turbosmart and jgs precision both make wastegates to fit deltagate/tial38 mounting flanges. Also from what I hearm the turbosmart 38 outflows tial's 38 as well
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Old 07-28-2006, 06:41 PM
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Originally Posted by bbsciontc
Big turbo/low boost is one of the senerios which requires a large wastegate to bypass excess exhaust pressure.

Turbosmart and jgs precision both make wastegates to fit deltagate/tial38 mounting flanges. Also from what I hearm the turbosmart 38 outflows tial's 38 as well
Well I am turing up the boost next week I am installing a AEM computer. I plan to run 12-13psi so we will see.
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