Engine/Power - EJ25T (STI and 2006+ WRX) Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.

Worried About Tbe Getting Bost Creep

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Old 07-10-2005, 10:52 PM
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Worried About Tbe Getting Bost Creep

I am new to the STI had a SRT-4 but needee AWD tried of getting busted out the hole. Anyways looking to wake the STI up a little wanted to get TBE but i am kinda scared cause i keep hearing about this boost creep issue and i don't know what i should do when i get the exhaust i am not a pro on turbo cars but i do know my share is porting the wastegate an easy thing to do or what i really really want to get some more information on this and what to do about it. any directions on like a "HOW TO WASTEGATE PORT" any feedback will be really apriciated thanks guys!
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Old 07-12-2005, 09:31 AM
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what year is your STi? I don't know if this is right or wrong, I heared that there will be no "Boost creep" problem on 05' STi...

Last edited by STi-JDM; 07-12-2005 at 07:18 PM.
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Old 07-12-2005, 05:20 PM
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Turbo back stage 2 for 3 months and no boost creep yet on my 04. I think it's just in extreme cases. I say hook it up and try it. If you have problems then port it. I here it's not to hard if you have a steady hand and a rotory tool.
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Old 07-14-2005, 05:18 PM
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Many people experience boost creep with a full TBE with no cats and no Engine Management.

I waited to install my TBE untill I got the Cobb Accessport. I run the Stage II map 93 octane, with Invidia catless dp and hks cat-back. No boost creep, and I hit target boost for the Stage II program every time. This is a way to help "reduce" the occurrance.

Cobb Stage II REALLY OPENS UP THE STi. fyi

Last edited by LukeSTi; 07-14-2005 at 05:19 PM. Reason: btw
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Old 07-14-2005, 10:30 PM
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You can also get ur turbo ported and u won't need a tune with the tbe
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Old 07-15-2005, 01:33 AM
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Originally Posted by LukeSTi
Many people experience boost creep with a full TBE with no cats and no Engine Management.

I waited to install my TBE untill I got the Cobb Accessport. I run the Stage II map 93 octane, with Invidia catless dp and hks cat-back. No boost creep, and I hit target boost for the Stage II program every time. This is a way to help "reduce" the occurrance.

Cobb Stage II REALLY OPENS UP THE STi. fyi
Luke are you making your own batch of fuel in hawaii?
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Old 07-17-2005, 01:02 AM
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Does the 05' STi get boost creep with a TBE?
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Old 07-17-2005, 11:14 AM
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Originally Posted by houdni
Luke are you making your own batch of fuel in hawaii?

Why yes I am, ~4 gallons of 100 from the 76 on King Street, Honolulu and ~7-8 gallons of puke 92.

Its $7.00/gal for 100 !!!!!!!!! I only fill it up once a month though.
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