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Old 07-23-2003, 11:31 AM   #1
czo79
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Location: Montpelier, VT, USA
Default Will JDM 440cc injectors swap into a legacy turbo?

Hello...
I am wondering if the 440cc (non sti) off of JDM EJ20G's would swap right into the legacy turbo fuel rail... They are both side feeds...and the rail setup is very similar, although the mounts are on different sides. I have a legacy turbo with a 94 JDM legacy GT turbo EJ20G swapped in. I can't find some of the seals I need for the injectors...so I am wondering if maybe the seal kits for the legacy turbo might fit...If anyone really knows a lot about the fuel injection system on these cars, please pm me. Especially if you could describe or post picts of the various orings and seals that seal the injector to the fuel rail. I can't get my car running for lack of a 1$ square cut oring...and its really upsetting me!
thanks so much
Micum
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Old 07-24-2003, 02:15 PM   #2
czo79
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*bumpity* Ahhwww....come on, someone out their must know the answer...is there any fuel injector upgrade for the legacy turbo? Can one swap in JDM 440cc side feeds? STI ones? Does one have to swap to a different fuel rail in order to swap injectors? Whats the scoop...
Much Thanks
Micum
PS: If anyone has pictures...or could describe the sequence of orings, spacers, square cut rings...whatever, between the fuel injector and fuel rail of any EJ series suby engine...I would be grateful.
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Old 07-24-2003, 03:03 PM   #3
serious
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I know some of the jdm wrx old school injectors works. There are certain nissan injectors that work too.
Brent
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Old 07-24-2003, 06:23 PM   #4
Z1 Performance
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While they will fit, at only around 15% bigger than stock, I hardly doubt its worth it.....then again, will depend on what is done to the car.

Adam
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Old 07-24-2003, 06:27 PM   #5
ciper
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They will fit and connect to the engine wire harness? A 15% increase is around something I was looking for.

Are these cheap/easy to find used?
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Old 07-24-2003, 06:49 PM   #6
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Assuming you get side fed units, yes they will go right in - I have no idea what the older ones used, sorry, only famililar with the V4s and up.

As for finding them, I am sure they are out there - they are just bound to be quite old at this point, so not sure if I would pay more than $100 for the set, personally

Adam
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Old 07-24-2003, 07:22 PM   #7
subiekid
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EJ22T/TEC3 & '12 Civic

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the seals should be the same, but i have no idea. nissan injectors from like a (300 tt? )work. umm serious knows i think. he was about to do an ej22T swap and i think he found out what injectors work.
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Old 07-24-2003, 07:44 PM   #8
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Not sure about 300zx, but the Silvia ones do work
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Old 07-24-2003, 08:10 PM   #9
subiekid
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that must have been it. what size are they?
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Old 07-25-2003, 01:25 AM   #10
czo79
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thanks guys...
I had been trying to figure that one out for a while. I already have the 440cc injectors in my car and 94 JDM legacy GT turbo fuel rails. My problem is I pulled them, and this weird flat oring (square cut ring) that seals between the injector and fuel rail was busted out, so I need a new one to put the injectors back in. Legacy turbo fuel rails look really similar to mine but the mount is on the wrong side. This car is my daily driver and its been laid up for well over a week, which is basically ruining my life very fast. I just ordered some seals from a legacy turbo (50$ for four!) and am hoping they will work. If not...I'm screwed. I'll have to have custom made seals, which will either take 4-6 weeks, or be really expensive. Its ridiculous the trouble I am having cause of a 0.xx$ peice of rubber! Anyways....
thanks
micum
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Old 07-25-2003, 03:38 PM   #11
serious
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Here's what i know: Nissan injectors from the 300zx twin tubo are 370cc same with the infinity Q45 and nissan silvia. At some point nissan changed something with the injectors as they are different. 93/94 somewhere they changed.
You may want to look into the nismo 555cc injectors as 300zx people put them in the z's all the time. Or just get a aftermarket rail.
Personally i looked into this and found some aftermarket vendor ( don't remember who though) that had some that work and renamed them as there own brand. Might have be greddy or hks.
The older injectors from the wrx that work are hard to find. Some times they pop up on ebay and go for around 75-150 bux. I came to the conculsion that the older engines were a PITA and decided to go with the newer wrx engine.
Brent
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