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Old 06-13-2003, 12:06 PM   #1
todnar
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Question Sidefed Injector ?

Hey All,
I have a MY97 intake off a 2.5 Legacy for my hybrid project. A search did'nt help me on what size the injectors are. Does anyone know, and where's a good source for these as far as getting a matched set of bigger size.
Also are the 04 STi's sidefed? If they are maybe those will start selling for cheap like the WRX's. Course thats only if they fit.
Thanks, Tod
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Old 06-13-2003, 12:33 PM   #2
Mancini
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Probably 270cc. Apparently 370cc injectors off a silvia will fit right in and only the plug end needs modified. I plan on going this route in the next month or so.
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Old 06-13-2003, 01:37 PM   #3
8Complex

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I recently went to the dealership on this and found that the STi injectors are about $100 each (I think at my pricing, around subaruparts.com pricing) so those should work for turbo applications pretty good. These are yellow tops.

I believe the Legacy turbo injectors are 370cc and blue or grey tops.

The RS injectors are red tops and I believe 280cc or so.
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Old 06-13-2003, 02:26 PM   #4
Mancini
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ah 280, thought it was around there...to many numbers to remember

Will the Legacy turbo injectors work with the Phase I fuel rail?

Last edited by Mancini; 06-13-2003 at 02:34 PM.
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Old 06-13-2003, 03:53 PM   #5
2.5GT
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The turbo legacy injectors are pink.
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Old 06-14-2003, 09:11 AM   #6
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Type Color Flow

EJ22 Grey 220 cc/min
EJ25 Red 280 cc/min
EJ22T Pink 360 cc/min
SR20DET Purple 370 cc/min

Thats the info I've had. Subaru injectors are High Impedance, the Nissan injectors are Low. You can use them, but you need to use a ballast resistor to get them to work. That is a bit of a band-aid fix, but some people have had plenty good luck with it, so its really up to you. The connectors are very close to identical.

I have Legacy turbo pink tops, and a set of 535cc Tomei side feed injectors for my 97 EJ22. Basicly any upgraded sidefeed injector for the old WRX or many of the Nissans will work, or can be made to work properly.

-Brad
http://www.subaruwagon.com
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Old 06-14-2003, 02:37 PM   #7
Mancini
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I thought the sr20 injectors were high impedence, at least that was the impression I got from this thread here

http://forums.nasioc.com/forums/show...ghlight=silvia
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Old 06-14-2003, 03:12 PM   #8
Darshu
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Actually the Silvia 370cc injectors are high impedence and direct drop-in for the Phase I fuel rail. I'm running them in my car right now. Nismo 555cc injectors or STi injectors will work great too.
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Old 06-14-2003, 03:17 PM   #9
Mancini
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and I just got my tax return today time for some new injectors
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Old 06-15-2003, 02:33 PM   #10
ChicksDigWagons
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Dizzam, looking further into it I see that I obviously had something confused. The SR20DET injectors are in fact high impedance. Not sure what led me to believe otherwise. I guess even geniuses can be proven wrong from time to time

-Brad
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Old 06-16-2003, 02:38 PM   #11
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Thanks guys All that info will get me on the right track. Anyone wanna take a guess at what the STi's flow at.
Later ,Tod
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Old 06-17-2003, 07:57 PM   #12
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hey 8 you have the part numebr for those

to add to the list
ej20G 425cc blue

there was a set of sti side feeds for sale in private for 280 shipped the other day

yes silvia are high impediance, as are you stockers 10-14ohms
low impediance 3-4 ohms
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Old 06-21-2003, 10:16 PM   #13
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I have a 1998 impreza and I have installed nissan sr20det injectors the purple ones. They drop right in all you need to do is go to a nissan or infinity dealer and get the plastic injector plug for that injector.
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Old 11-11-2003, 01:25 AM   #14
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this is amazing... after 400 searches i finally find a thread that gives me info i need.

now the question, does any one know if i could use Nissan MAF on my 1998 RS and NOT have it blow out ever 3 month?
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Old 11-11-2003, 02:17 AM   #15
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Are you having problems with your MAF? Cause mine has taken some serious abuse and is still working like a charm. Or are you thinking of the 99 MAF? 98's are hot wire and don't have the problems the 99's do.
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Old 11-11-2003, 04:40 AM   #16
8Complex

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Yeah, the 98 MAF's were supposed to be solid. But no, I don't see a problem with using a Nissan MAF as long as the voltage output range is the same. Also, you may need to calibrate it to the size of the tubing it is in to properly output what the ECU expects at certain airflows.
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