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Old 07-27-2003, 05:59 PM   #1
agent007kimball
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Default How does one go about putting in new injectors?

I just got a set of 550cc injectors which I would like to install. What is the exact step by step process to do this for an EJ25? Also, is the stock ECU going to freak out over the new injectors? Any help would be great. Thanks!
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Old 07-27-2003, 08:18 PM   #2
MIDNIGHTROCKET
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MIDNIGHT BLUE

Default sti injector install

install is about 2.5-3.0 hours, hit turboxs.com website for the stage-4 installation. it will help you greatly. if you are not mec. inclined it could be a little challenging. the green brackets of death have some hidden bolts on the back side. make sure you inspect the install before you attempt.you will need a 1/4 drive rachet set to make the install easier.very tight fitting area in some spots. best of wishes, and no the ecu will not freak. my car is running with the sti injectors on stock ecu. keep the boost low. i would rec. under 10psi.
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Old 07-27-2003, 08:40 PM   #3
PHATsuby
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Default

2.5-3 hours??? it took me only like 30 mins to get the brackets off, which was a surprise, then another 10 to get the injectors out, and that was my first time doing it, but if those need the ballasts and such then it might take longer, but if they are just plug and play it should take like 2 hours tops.

Ben
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Old 07-27-2003, 09:24 PM   #4
Hondaslayer
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Default Re: sti injector install

Quote:
Originally posted by MIDNIGHTROCKET
install is about 2.5-3.0 hours, hit turboxs.com website for the stage-4 installation. it will help you greatly. if you are not mec. inclined it could be a little challenging. the green brackets of death have some hidden bolts on the back side. make sure you inspect the install before you attempt.you will need a 1/4 drive rachet set to make the install easier.very tight fitting area in some spots. best of wishes, and no the ecu will not freak. my car is running with the sti injectors on stock ecu. keep the boost low. i would rec. under 10psi.

Ahem,

Not a WRX,
:Wiggum:Move Along,Nothing to see here, Wow look a crashed plane!Crowd around folks,Come on!:Wiggum:


Shouldnt take more than an hour and a half if its your first time,RC injectors I assume?
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Old 07-27-2003, 09:55 PM   #5
Wedge
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Default

I've heard it's not a good idea to use the stock ECU with bigger injectors. (I mean, thinkaboutit)....well......maybe if you have an S-AFC (MAF car). New injectors should follow new ECU, plain n simple.
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Old 07-27-2003, 10:47 PM   #6
agent007kimball
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Default

They are Blitz 550 cc injectors. I am running 6 psi.

Does the intake manifold need to be taken off for this?

Thanks for the help so far. Keep the posts coming!
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Old 07-27-2003, 10:56 PM   #7
HOK
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Default

Do you have the ability to control 550 injectors ?

The stock will not control anything over 380 i would say. But what type of injectors do you have. are you sure they fit? An install with correct injectors should only take 45 minutes 15 minutes of double checking for leaks.
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Old 07-28-2003, 12:39 AM   #8
agent007kimball
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The stock ECU doesnt handle anything over 380!?
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Old 07-28-2003, 01:08 AM   #9
HOK
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380CC thats an estimation... your stock ones are 280CC
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Old 07-28-2003, 01:28 AM   #10
agent007kimball
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So I have to have a stand alone before I can run my 550 injectors?
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Old 07-28-2003, 01:45 AM   #11
HOK
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well i have heard about some people using the SAFC for 550s but i have tried it and it didn't work on mine... also you have a MAP i beleive. I think you will have to wait for either the Cobb ECU or get a standalone...
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Old 07-28-2003, 01:52 AM   #12
agent007kimball
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Dang

Thanks for all the help HOK
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Old 07-28-2003, 02:14 AM   #13
PHATsuby
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to stock is a project too

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trust me, if you run 550's you are going to want stand alone, plus i think those require some ballasts if you go with the link plus, or you can go with an ecu that can control low impedance injectors as well i think the Tec3 can... but im not sure.

do it right now and you dont need to worry later, you will be much happier going with stand alone now

Ben
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