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Old 03-02-2004, 07:22 PM   #1
Blitz04
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Default intake manifold conversion?

what is the difference between JDM Sti ej20 intake manifold VS US base WRX manifold??

Is conversion possible?? what is benefit of having sti manifold on wrx??
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Old 03-02-2004, 07:57 PM   #2
Kostamojen
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We need model years.
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Old 03-02-2004, 08:17 PM   #3
Homemade WRX
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waiting for model years...they make ALL the difference
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Old 03-02-2004, 08:55 PM   #4
Blitz04
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i have 03
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Old 03-02-2004, 10:54 PM   #5
Jaxx
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Quote:
Originally posted by Kostamojen
We need model years.
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Old 03-03-2004, 12:26 AM   #6
Blitz04
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what ever that works best with 03 usdm wrx with out modifcation.. ^^
maybe JDM sti V7??

thanks..
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Old 12-27-2005, 11:43 PM   #7
singincanary
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figure I'd bump an old thread rather than start a new one (this way I can prove that I did a search).
Was wondering if it is possible and/or beneficial to use a USDM STi intake manifold on an '03 USDM WRX longblock. I know that i would need to use STi injectors and fuel rail (right?). Would wiring be a problem with this? To complicate matters further, this is for a swap into an RS.
I would imagine that the STi mani would flow better (?) but not sure if it will mate up without a huge hassle.

Any insight is appreciated.
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Old 12-28-2005, 01:25 AM   #8
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haha.


just paint your usdm wrx one red, then you'll be as fast as powerlabs!

hahah. jk. you'd be looking to get rid of the tumble generator valves rite?

just do the tgv valve delete mod, or just put in a JDM ej20 with no TGV
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Old 12-28-2005, 11:35 AM   #9
Matt Monson
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You know I always kind of chuckle when turbo guys are talking about intake manifold swaps. We are talking about gains of single digit horsepower numbers for a lot of work. Now, on a 400whp car you might be flowing enough air for it to make a difference. And by those power levels you have all kinds of custom stuff. But for somebody running an Ej205 with a VF-30 or whatever bolt on turbo, it's just a waste of time and money...
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Old 12-28-2005, 12:55 PM   #10
Jaxx
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but can you put a price on bling ?
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Old 12-28-2005, 01:38 PM   #11
Matt Monson
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yeah...$5 worth of red paint...
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Old 12-30-2005, 10:10 PM   #12
powerlabs
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Hey now... My name has been said in vain... And my intake manifold was powdercoated, not painted



On a more serious note though... I had a friend of mine knife edge and polish the throttle body, then port and polish the whole intake manifold, including port matching it to the throttle body and head gaskets... That made a noticeable difference. I'd recommend it if you ever have your intake mani off... My friend charged me very little money too for it...
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Old 12-30-2005, 11:06 PM   #13
Hurley 2.5 WRS
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anyone know of the paint code for the new red crinkle for the intaake manis?

the V4 stuff didnt resist heat well, and im thinking of getting it redone, but i want the crinkle still
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Old 12-31-2005, 01:09 AM   #14
swapstar
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hey- im saying that BLING is good !
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Old 12-31-2005, 01:47 PM   #15
wrx_driver_2002
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We had to paint this intake manifold because the car the engine came out of was hit in the front left, and the battery exploded all over the engine, taking the paint with it.

We used paint from Autozone (Believe it or not, it was wrinkle red). It's a lighter red, but it still looked good.





Quote:
Originally Posted by Hurley 2.5 WRS
anyone know of the paint code for the new red crinkle for the intaake manis?

the V4 stuff didnt resist heat well, and im thinking of getting it redone, but i want the crinkle still
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