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

If I wanted to make 300whp...

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Old Aug 11, 2009 | 11:39 PM
  #31  
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Originally Posted by Irish_car_B0mb
what woudl they have to gain by ****ign with the dyno?
It makes people feel all warm inside when you give them big numbers...it sucks when your heart is broken by a mustang.....
Old Aug 11, 2009 | 11:41 PM
  #32  
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Originally Posted by silverbullet415
ive heard good things about them and u can run the sti tmic u can find them for like 250
any huge hp gains goign with a fmic vs a tmic. i knwo with the fmic there is a bit of lag, but woudl it be severly noticable or would a 18g not even need a fmic
Old Aug 11, 2009 | 11:43 PM
  #33  
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Im sitting at 210whp with stock TD04 and tmic but have catless up and full tbe
Old Aug 11, 2009 | 11:43 PM
  #34  
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Originally Posted by Irish_car_B0mb
any huge hp gains goign with a fmic vs a tmic. i knwo with the fmic there is a bit of lag, but woudl it be severly noticable or would a 18g not even need a fmic
the tmic has heat soak and not as much lag, i like the tmic thats just me its more stealth for smog and stuff, tmic is cheaper also
Old Aug 11, 2009 | 11:49 PM
  #35  
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not that i think it matters but the 06 up is catless stock, but i believe it is only 2.5"
Old Aug 11, 2009 | 11:53 PM
  #36  
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Originally Posted by Irish_car_B0mb
not that i think it matters but the 06 up is catless stock, but i believe it is only 2.5"
yea i ts not catted i dont think u need to swap it
Old Aug 11, 2009 | 11:53 PM
  #37  
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Originally Posted by silverbullet415
the tmic has heat soak and not as much lag, i like the tmic thats just me its more stealth for smog and stuff, tmic is cheaper also
main thing i like about the fmic is when there is a really cool day and the air hits it and keeps the temp way down
Old Aug 11, 2009 | 11:58 PM
  #38  
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well ima go chew on this for abit, i am sure i will be back with more questions

i am just trying to be an educated buyer
Old Aug 11, 2009 | 11:59 PM
  #39  
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thats the smart way to do it Ryan... better to ask before and not after
Old Aug 12, 2009 | 12:08 AM
  #40  
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yea ive gone back and fourth many times before i decided
Old Aug 12, 2009 | 12:11 AM
  #41  
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Originally Posted by glenspen
Not on GST's mustang you didn't, maybe on EQ's laptop, but not on the heartbreaker.
Ed's laptop will put close to the same #'s as gts's dyno...
Old Aug 12, 2009 | 12:19 AM
  #42  
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talk to your tuner and see what they recommend. keep in mind dyno numbers are just numbers if you dynoed at 220 whp stock on fli and swap a turbo on it may give you a 300 whp car on their dyno but 280whp some where else. Choose a turbo that optimizes the 2.5 and gives you the power band and the amount of lag that you are looking for. Oh and stick with a tmic no need to go fmic. Look on nasioc for the Turn in Concepts car and you'll see what i mean. Also I got 260whp with a vf34 and supporting mods on gsts dyno
Old Aug 12, 2009 | 08:59 AM
  #43  
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What do you do with the car? What kind of lag is acceptible to you?

To hit 300whp on the lower reading dynos on 91 you will need a 20g. You could come very close with an 18g with all supporting mods including intake, inlet, headers, etc, but you will be pushing it. The 20g is more apropriate for those power levels.

That. Being said, most people are very happy upgrading to a vf series turbo and making 270-280whp with excellent response. This is plenty of power for the street and gives you a very nice useable powerband without putting too much strain on the tranny and internals. Then if you really want 300, you can get a race gas tune. You also don't need to upgrade injectors with these turbos.

Thanks
-- Ed
Old Aug 13, 2009 | 04:33 PM
  #44  
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I came really really close with this setup: https://www.i-club.com/forums/vendor-tuning-service-parts-review-152/eq-tuning-strikes-again-196978/
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