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Old 03-09-2007, 11:48 AM   #1
civic2scooby
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Default ej20g injector replacement

been researching but wanted to be clear on if the 04 STi sidefeeds will swap in for the grey top 440's on my swap.
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Old 03-09-2007, 01:38 PM   #2
Jaxx
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no
they are "pintle" style injectors
the sti 04-06 are "ball" style

thats said there is a guy selling 550/650/750 pintles on ebay
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Old 03-09-2007, 01:53 PM   #3
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Old 03-09-2007, 07:29 PM   #4
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http://www.fecker.co.uk/scooby/fabri...etail.php?id=2

I am going to be ordering some these when my tax return shows up.
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Old 03-10-2007, 12:07 AM   #5
Hurley 2.5 WRS
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now, from what i hear in the DSM world, they are interchangeable.....

but i really dont know. i mean, its just a needle valve versus a ball
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Old 03-10-2007, 12:22 AM   #6
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just found out they dont interchange....but that link I posted on ebay will I talked to the seller...gonna do 660 injectors as per my tuner.
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Old 03-10-2007, 09:38 AM   #7
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its the shape of the rail thats the proublem

the only reservation i have is that the "venom" injectors don't have an espically good reputation
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Old 03-10-2007, 12:21 PM   #8
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The STI side feeds fit into the JDM/EUDM 1999-2000 fuel rails, and also the EUDM/USDM Legacy 2.2 and 2.5 up to 1998.
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Old 03-10-2007, 12:49 PM   #9
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Im running USDM STi inj. w/ ej25(NA, dohc) fuel rails. it was a good upgread and cost less then $200. If you looking at 300WHP this settup w/ be perfect. if your looking for more, contact RC and see what they can do for you.
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Old 03-10-2007, 12:51 PM   #10
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Quote:
Originally Posted by Marnix View Post
The STI side feeds fit into the JDM/EUDM 1999-2000 fuel rails, and also the EUDM/USDM Legacy 2.2 and 2.5 up to 1998.
ok?

Quote:
Originally Posted by snowman4us View Post
Im running USDM STi inj. w/ ej25(NA, dohc) fuel rails. it was a good upgread and cost less then $200. If you looking at 300WHP this settup w/ be perfect. if your looking for more, contact RC and see what they can do for you.
I don't have an ej25 NA, dohc though....I have an EJ20G....
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Old 03-10-2007, 09:57 PM   #11
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Quote:
Originally Posted by civic2scooby View Post
These Venom injectors are pure, unadulterated ****.

http://www.rs25.com/forums/showthrea...enom+injectors
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Old 03-10-2007, 09:59 PM   #12
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BTW, does anyone have a write up on how to swap injectors in an EJ20G?
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Old 03-10-2007, 10:14 PM   #13
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snowman4us is saying:

you can use dohc 2.5 fuel rails and usdm sti injectors on your ej20g.
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Old 03-10-2007, 10:59 PM   #14
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Quote:
Originally Posted by GripGC8 View Post
snowman4us is saying:

you can use dohc 2.5 fuel rails and usdm sti injectors on your ej20g.
ohhhhhh...ok yeah that was the confusing part...thanks
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Old 03-12-2007, 03:32 AM   #15
Marnix
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Also what I meant but maybe I wrote it down even more confusingly...

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Old 03-12-2007, 03:35 AM   #16
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Quote:
Originally Posted by Marnix View Post
Also what I meant but maybe I wrote it down even more confusingly...

yeah, I was just confused on the wording.
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Old 03-12-2007, 03:37 AM   #17
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sent you a pm on how to do this, probably work the same way for the dohc 2.5 rails.
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Old 03-12-2007, 03:40 AM   #18
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Quote:
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sent you a pm on how to do this, probably work the same way for the dohc 2.5 rails.
thank you much!
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Old 08-25-2008, 01:34 PM   #19
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Guys, I know this has probably been beaten to death, but I haven't been able to find a definite answer to the following question...

Are the ANY USDM injectors that will be a direct replacement for a '97 WRX GF8 EJ20G motor (Phase I, grey tops), WITHOUT changing the fuel rails?

Thanks.
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Old 08-25-2008, 02:03 PM   #20
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no 12345
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Old 08-25-2008, 03:54 PM   #21
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Thanks for a quick reply. So could I use these fuel rails with STi injectors: http://cgi.ebay.com/ebaymotors/_Car-...4506.m20.l1116

They list a lot of engines, but I read in other threads that it is only the 2.5 DOHC rails that will work without mods. It would be nice if someone could confirm whether these will work for me.

Thanks.
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Old 08-25-2008, 04:46 PM   #22
Jaxx
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there are a few thread on this
i used 1.8 rails and had the tabs welded on


the other option is to use collers and the phase 2 injectors
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Old 08-26-2008, 12:19 AM   #23
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Quote:
Originally Posted by Zora View Post
Thanks for a quick reply. So could I use these fuel rails with STi injectors: http://cgi.ebay.com/ebaymotors/_Car-...4506.m20.l1116

They list a lot of engines, but I read in other threads that it is only the 2.5 DOHC rails that will work without mods. It would be nice if someone could confirm whether these will work for me.

Thanks.
Yes.
12345
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