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

boost creep

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Old 05-03-2004 | 03:45 AM
  #1  
ddash85's Avatar
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From: the e n c, socal hell
Car Info: 04 sti jic catback blitz intake cusco strut bars de-subarud de-ambered
boost creep

i have a vf34 laying around, could that fix my tbe problem without alot of tweeking?
Old 05-03-2004 | 03:17 PM
  #2  
SlickmisterN's Avatar
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From: LIC Motorsports
Car Info: 2004 Black/Gold STi
Krinkov is running a ported VF34 and catless exhaust with out boost creep I beleive.
Old 05-03-2004 | 08:57 PM
  #3  
ddash85's Avatar
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From: the e n c, socal hell
Car Info: 04 sti jic catback blitz intake cusco strut bars de-subarud de-ambered
boost creep

so the problem would still occur with the vf34 just like the vf39 unless ported? and is that a worth wild change compared to just porting the vf 39?
Old 05-03-2004 | 10:25 PM
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From: LIC Motorsports
Car Info: 2004 Black/Gold STi
The IHI line of turbos is plagued with this problem. Yes the VF34 would need to be ported to side step boost creep. The VF34 isnt too much bigger than a VF39.
Old 05-03-2004 | 11:03 PM
  #5  
ddash85's Avatar
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Posts: 29
From: the e n c, socal hell
Car Info: 04 sti jic catback blitz intake cusco strut bars de-subarud de-ambered
boost creep

any use for retuning of the ecu with the vf34 or could i run it with a stock sti set up? thanks for the previous info
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