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Old 04-05-2006, 04:32 PM   #1
rob
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Default EJ20G injector o-rings and spacers

EDIT:
Part numbers down below.


Hi all,

I am looking for part numbers for the replaceable injector parts. What I found pulling my injectors and rails off is more parts than are shown in the manual. On my engine I have;

Insulator doughnut that goes on the head (listed in the manual)
2 o-rings for the injector in the rail (listed in the manual)
injector cap rubber isolator (listed in the manual)
thin nylon injector to rail spacer (NOT in the manual)
plastic spacer ring (NOT in the manual)

I will take some pictures tonight. I was hoping someone could shed a light on part numbers suitable for replacement.

Thanks,
Rob
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Last edited by rob; 05-03-2006 at 12:21 PM.
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Old 04-05-2006, 05:02 PM   #2
tweakling
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BRP, 2001 GC8 chassis

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You may want to consult sixpack subaru. He's hooked up a lot of people with JDM part numbers.
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Old 04-05-2006, 05:09 PM   #3
Jaxx
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the real question is

are there any other usdm cars that use the pintle style injectors?

i don't know ..

i made custom rails (combo of 1.8 +ej20G)

i used (93) 1.8 rail to manafold doughnuts .. which were identical to the G
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Old 04-10-2006, 08:06 PM   #4
rob
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Here's the pic;



Can anybody identify part numbers that work for the 6 pieces? Numbers 3 and 4 are the ones I don't see in the various US service manuals.

Thanks,
Rob
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Old 04-11-2006, 12:36 PM   #5
Jaxx
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sorry i got nothign for you .. post this over in the pre 2002 forum
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Old 04-11-2006, 01:52 PM   #6
rob
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So the 1.8 injectors you played with did not have the extra spacers (3 and 4)?
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Old 04-11-2006, 02:02 PM   #7
Matt Monson
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hmmm,
I don't remember there being more than 3 o-rings on the Ej20G injectors I pulled and sent to Silvialost. You might shoot him a PM and ask him about it since I no llonger have the parts in hand. The injectors looked the same as the ones you have pictured...
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Old 04-11-2006, 02:19 PM   #8
Jaxx
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12345
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Old 04-17-2006, 12:05 AM   #9
rob
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still need some help with this.
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Old 04-17-2006, 12:45 AM   #10
99WRXEJ20
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hrmm I dont have a clue I know that some nissan injector parts are useable. NOt too sure about the ej20g ones though.
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Old 05-03-2006, 12:11 PM   #11
rob
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A kind fellow in Australia looked up the parts for an RS Liberty. Here they are for future reference;

1 16608aa020 Seal-fuel Injector x4
2 16698aa020 O Ring-injector x4
3 16697aa000 Ring-injector x4
4 16696aa000 Spacer-injector x4
5 16698aa010 O Ring-injector x4
6 16607aa031 Insul Fuel Inject x4

It's a little spendy for a full replacement, but injector fuel leaks are bad m'kay.

-Rob

Last edited by rob; 05-03-2006 at 12:18 PM.
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Old 05-15-2006, 11:44 AM   #12
Jaxx
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might as well keep this stuff together
http://forums.nasioc.com/forums/show....php?t=1004263
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Old 12-07-2006, 11:40 AM   #13
snowman4us
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Got a quick question.
Im about to put STi injectors into my EJ20G using RS fuel rails, from what i can tell ill need all the listed part numbers from the top except the #6, sense this a ball style. can someone correct me?

thanks
Kirill
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Old 12-07-2006, 01:12 PM   #14
rob
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I wouldn't think so. I am pretty sure the ej20g injectors are the only ones that need the extra spacers. I would guess you would only need the standard o-rings that come on the STi injectors.

-Rob
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Old 12-07-2006, 01:19 PM   #15
snowman4us
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So would i wana use 2.5rs fuel rail to manifold O-ring, and for Inj. to fuel rail i wana use STi?
I know that there are a couple of ppl that have done this, and i just want to make sure that i get the proper parts.
Im flippin my manifold, doing STi injectors and a parallel fuel system, that im all trying to do in 5days, so i dont want to get held back becouse of wrong o-rings.

thanks
kirill
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Old 12-07-2006, 02:15 PM   #16
Jaxx
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rs rails ?
thats new to me
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Old 12-07-2006, 03:34 PM   #17
kheff46
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what style is an EJ20K using? and around what cc/min do they flow? i am going to check mine(may have them cleaned n blueprinted) soon and wouldlike to try and source replacement in the US first.

thanks in advance guys!

--keith
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Old 12-07-2006, 04:17 PM   #18
Matt Monson
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My EJ20K is using yellow top injectors, which I believe are 440cc, just like the Ej20G greytops. I have both a '96 and '97 manifold sitting on the bench in my garage right now, and other than some changes to the larger rails to accomodate the under manifold inlet, I see no difference on the little stub rails that actually hold the injectors. Let me check tonight and I will see if the part numbers are the same...

And the only RS rails I ever heard about being used for injector upgrades were '99's that supposedly take STi pink top feeds, and were used some by RS-T guys back in the day...
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Old 12-07-2006, 09:16 PM   #19
Jaxx
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yeah take some pictures ... it would be awesome if the stis fit the K rails
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Old 12-07-2006, 09:59 PM   #20
oldhat
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I thought the EJ20G greys were 380cc. Is that only on the older models?
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Old 12-07-2006, 10:46 PM   #21
scoobydorift
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I checked today and the USDM STi yellow tops WILL fit the 98RS fuel rails.
Thanks
Kirill(snowman4us)
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Old 12-07-2006, 11:43 PM   #22
Jaxx
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ah 98rs

greys are 440s tested by at least 3 sources that i know of

legayc SS pinks are 380(ish)
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