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.

Day at the dyno ....

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Old Jan 24, 2006 | 10:23 PM
  #1  
yellow03wrx's Avatar
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From: NNJ
Car Info: 2003 Subaru WRX
Day at the dyno ....

Well went to the dyno today and im not too happy, but im not sure where i should be with my mods.I pulled 230whp and 235wtq. What do you guys think? Here are my mods:

4" Downpipe
Gutted Upipe
Catless Exhaust System
1 lb underdrive pulley
CAI
Grounding Kit
S-AFC 2
Boost Controller @ .11-.12 MPa

Heres my dyno graph.
http://www.rev-olution.net/dyno.bmp
Old Jan 25, 2006 | 07:14 AM
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Car Info: black my03 5mt wrx s/w
important questions:

what does a stock wrx dyno on that rig?

what are your afrs?

how are you using that SAFC?
Old Jan 25, 2006 | 07:50 AM
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On a stock turbo and fueling, those numbers seem high to me (typical for a dynojet). Ride5000's question is valid. You need to know what a stock WRX would put down on the same dyno and then compare the delta.

Back when I had my 02 WRX wagon, I put down 212 whp with 3" turboback, uppipe, and Xede engine management. That was on a Dyno Dynamics dyno which should read less than a dynojet.
Old Jan 25, 2006 | 08:47 AM
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Well they told me stock wrx pull in the 155-165 whp range. Does that sound right?
Old Jan 25, 2006 | 08:47 AM
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Also i forgot one think. Hows my fuel curve? Isnt that a lil bumpy?
Old Jan 25, 2006 | 09:20 AM
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well we can't see a fuel curve, cuz there isn't one plotted.

what we have is hp/torque. it would be very nice to see a plot of AFR.

the uneven nature is caused by the smoothing function of the dyno's software. it's not out of the ordinary.

230-160 = 70hp. this is what a maxed out stage 2 tune will get you--about 300chp. so you're right in the ballpark.
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