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.

Best engine setup for RESPONSE

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Old 05-25-2014, 11:56 PM
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Best engine setup for RESPONSE

hey guys, so i have a 03 wrx and want to mod my engine to be responsive for touge and autox. any reccomendations? or is it all in the tune? any info and input is much appreciated!!
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Old 05-26-2014, 09:59 AM
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Equal length headers and a small turbo
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Old 05-26-2014, 12:50 PM
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Originally Posted by awdorgtfo
Equal length headers and a small turbo
Thanks! So its proly a good idea to stay stock on turbo
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Old 05-26-2014, 12:54 PM
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Best engine for response? You need more displacement.
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Old 05-26-2014, 01:01 PM
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LS swap dat *****
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Old 05-27-2014, 10:03 AM
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Go NA.... or.... stock turbo e85.
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Old 05-28-2014, 06:38 PM
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Yea stay stock on the turbo. Ported stock manifold and e85 would Likely be a good combo, with a MBC.
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Old 05-28-2014, 09:25 PM
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Raise the compression ratio. Higher compression increases response.
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Old 06-01-2014, 05:40 PM
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Originally Posted by Superusdm
Yea stay stock on the turbo. Ported stock manifold and e85 would Likely be a good combo, with a MBC.
been hearin alot of good things about a ported manifold! thanks guys!
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Old 06-01-2014, 07:43 PM
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Originally Posted by Xlagman92
been hearin alot of good things about a ported manifold! thanks guys!
you've heard right, I've got the grimmspeed pnp'd manifold w/ the high flow cross pipe, significant difference in low end response/spool which definitely is lacking on our 2.0's.. even more so than when I had my borla UEL headers IMO
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Old 06-08-2014, 10:08 AM
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Originally Posted by RAWeiss
you've heard right, I've got the grimmspeed pnp'd manifold w/ the high flow cross pipe, significant difference in low end response/spool which definitely is lacking on our 2.0's.. even more so than when I had my borla UEL headers IMO
Full headers will allow the turbo to spin slower but longer.
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Old 12-27-2014, 03:08 PM
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Originally Posted by Heedz
Full headers will allow the turbo to spin slower but longer.
True a full header will allow for more mid/top end regardless of UEL/EL, although if i was going to do a header again I'd just go full EL since it really gives you more power throughout the rpm's + spool

PnP manifold/x pipe is more of a solution for the 2.0ers I think since you gain much more low end/spool, i.e on a vf'd 2.0(like myself) and still want the rumble

Otherwise EL is better in every way essentially, just gotta come to terms with losing your boxer rumble
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