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Old 07-30-2003, 02:56 AM   #1
PHATsuby
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to stock is a project too

Default how to get wrx injectors to seal in EJ25 fuel rail?

to anyone who is using the injector adapters how did you get them to seal into the fuel rail? i replaced the wrx top o-ring with my factory legacy one and it still doesnt seal, i got 3 of the 4 i think but its still kinda sketchy for me, if anyone has any tips i would greatly appreciate it.

basically from the added height of the wrx injectors+adapters the fuel rail wont come straight down onto the injector, but even if i just push it straight in it doesnt seal, which i dont get cause the 0-ring is the same one that was just in there, but maybe the injector necks are diff sizes.

another thing to those running the rc440's, i know people have said they fit loosely but do they seal into the rail? once again it is probably different for my legacy but just wondering.
thanks

Ben
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Old 07-30-2003, 09:39 AM   #2
lotusTT
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I'm not sure if this will help you, but I have a used set of WRX fuel rails I will sell you. Let me know if you're interested.
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Old 07-30-2003, 10:42 AM   #3
Elliot
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I have the same question!!! can somebody answer this!!

Elliot
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Old 07-30-2003, 12:25 PM   #4
8Complex

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IIRC, I was able to buy o-rings at a local hardware store that worked for me. It's been a while since I've seated WRX injectors in RS rails...
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Old 07-30-2003, 02:09 PM   #5
seven881
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I was able to use the stock o-rings of the RS injectors and use o-rings from OSH (Hardware Store). I had to lube to o-rings with a little grease so they went in without folding. I have the stock RS rings on one side of the rail and they're fine and no leakage. The other side on the other rail I used two o-rings per injector from the hardware store and I'm getting leakage under high boost. I tried one ring and the same issue was happening. I just said screw it and I'm getting a monifold off of a 99' since I had issue with my adapters.
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Old 07-31-2003, 12:50 AM   #6
markus
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What adapters are you folks using? Rev-Lab? I hear hit-and-miss comments on these adapters and was wondering if they're worth it.
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Old 07-31-2003, 01:31 AM   #7
inpreza kid
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when buying injector o-rings, make sure you are getting fuel grade ones.
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Old 07-31-2003, 01:58 AM   #8
milkman
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Default fuel?

I've been told that they are all the same but if your not sure put some in a jar of gas for a few days.
Quote:
Originally posted by inpreza kid
when buying injector o-rings, make sure you are getting fuel grade ones.
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Old 07-31-2003, 02:29 AM   #9
HOK
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it is tricky.. i know if you push really hard it just pops back out... but since you 3 out of 4 sealed it works... what i do it simply stick the injector into both inlets and bolt the fuel rail down very very loosely... then i wiggle the injectors into place as i would like them to seal and start bolting it down as you bolt the fuel rail down make sure that the o-rings are not kinked or are sealing in difference places... keep on bolting it down. once secure i turn the injectors slightly left and right and the orings should straighten out... the RC seal very well this way.. same with the WRX ones... or it could be your risers are too high...
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Old 07-31-2003, 11:13 AM   #10
seven881
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Mine were machined about 3MM out of spec and I had to bore out my intake manifold to make them fit. They also are never around which makes things more difficult. You're better off getting a 99' manifold since there about $150 using CarParts.com and they have no air assist valves too.

Quote:
Originally posted by markus
What adapters are you folks using? Rev-Lab? I hear hit-and-miss comments on these adapters and was wondering if they're worth it.
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Old 08-01-2003, 12:41 AM   #11
PHATsuby
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thanks for the help guys, i guess i will just have to keep at it. and see what happens, so what is the best to use to lubricate to get them in so they dont kink or roll over?

maybe i will try and take the fuel rail off and put them in that way.

thanks again.

Ben
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