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

2 step launch

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Old Jan 15, 2009 | 03:37 PM
  #1  
subie07's Avatar
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Joined: May 2007
Posts: 70
From: OC
Car Info: 2007 wrx
2 step launch

Ive been seeing vids on youtube of evos and Sti's doing 2 step launches. Can someone explain to me what that is, and how I would go about doin that to my car? I just know it looks and sounds cool. Thx
Old Feb 16, 2009 | 07:48 PM
  #2  
slodsm's Avatar
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Joined: Oct 2006
Posts: 3
From: Texas
Car Info: 2006 WRX limited, Aspen White, still stock at the
2 steps basically set the stand still rev limit to a predetermined RPM, retard the hell out of timing and add fuel to create a much higher EGT spooling the turbo with no load on it.

Makes for more consistent and tunable 60ft times at the drag strip but on a WRX, launching under full boost could be hazardous to your tranny .
Old Feb 16, 2009 | 08:07 PM
  #3  
sti2envy's Avatar
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Joined: Sep 2007
Posts: 55
From: Bay Area
Car Info: 07 SWP STI
sti maybe, wrx maybe not
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