Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

turbo decision

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Old Apr 10, 2005 | 02:55 PM
  #2  
awns729's Avatar
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curious, why don't you want IHI?
Old Apr 10, 2005 | 05:48 PM
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er, yeah intakes are bad, so are aftermaket BOVs, generally unless you have lots of mods

also, please don't post duplicate threads. i deleted the other 3

Last edited by awns729; Apr 10, 2005 at 07:56 PM.
Old Apr 11, 2005 | 10:41 PM
  #6  
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Car Info: 2003 Subaru WRX Aspen White
Originally Posted by TWRXT
I want to also keep the sti pink injectors but i need a turbo that would suit them well. I was thinkin bout the 18g w/ external wastegate.
FYI, the pinks will be maxxed w/ the 18G @ anything over 15psi boost... you'll need at least 650cc...
Old Apr 12, 2005 | 05:50 PM
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Originally Posted by testes1010
FYI, the pinks will be maxxed w/ the 18G @ anything over 15psi boost... you'll need at least 650cc...

This is not true.
Old Apr 12, 2005 | 08:40 PM
  #8  
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Originally Posted by verc
This is not true.
explain?

w/ my VF30 tuned by Jorge & Ron @ AXIS....@ 18psi, I'm running mid 90% IDCs...

at stock fuel pressure the pinks will max out...w/ an 18G...
Old Apr 12, 2005 | 10:26 PM
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Originally Posted by testes1010
explain?

w/ my VF30 tuned by Jorge & Ron @ AXIS....@ 18psi, I'm running mid 90% IDCs...

at stock fuel pressure the pinks will max out...w/ an 18G...


O, I didn't know you meant stock fuel pressure. My bad.
Old Apr 12, 2005 | 10:36 PM
  #10  
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no prob...
Old Apr 12, 2005 | 10:57 PM
  #11  
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Car Info: 02 Impreza WRX sedan
Origami posted by TWRXT
well somethin is wrong with mah vf34.. im gettin worse time than how it was with tbe. it doesnt feel like its pullin harder at all.
For street use, the VF30/34 is a good choice. It gives good driveability and decent power gain for a daily driver. If you couldn't feel any difference over just a turboback exhaust with the VF34 something's not right. Could be partially explained by an aftermarket intake that isn't mapped properly by your AccessPort. Was the VF34 brand new?

Here's a car that used a 'mild' VF30 turbo and was custom dyno-tuned. Look at the trap speed for an indication of the power that even this mild turbo upgrade is capable of.

If it is a track-only car (drags or road course) you can go with a much bigger turbo when you don't have to be concerned with laggy response in daily driving.

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