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Old 07-29-2008, 09:43 AM   #1
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performance injector install?

Hey gang.

looking for someone who has fitted aftermarket injectors on a 9-3/9-5 or similar fuel rail. I am trying to decide if this will be a DIY for me or not.

I have WIS and a few things I had questions about:
  • they mention putting zip ties on the injector clips for both removal and install of the fuel rail, is this a needed step? I thought it was if you are doing a flow test to keep them in place, but WIS is not 100% clear on this.
  • fuel line removal tool - can I get one at any autostore?
  • will lots of fuel spill even after running the pressure out via fuse removal?
  • for Siemens deka, is there any special other step, like special washers or something? I thought green giants need them, but didn't know if others (deka 630cc) do.
  • they mention removal of the rail via two pry bars what part is giving so much resistance, the injectors themselves???
any other tips/or HELPFUL comments?
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Old 07-29-2008, 09:48 AM   #2
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The o-rings are a tight fit, that's the part that makes it hard.

Better tight than loose, right?

I would zip tie the clips on too. This will ensure that they all pull out of motor, and not a mix of some in the fuel rail, and some in the block.



Also, about a cup of fuel will run out. If the car is cool, it's not a big deal at all. Just rinse with a little bit of water when you are done, and it will be fine.


As far as I can tell with my siemens, there is no other parts needed.

I could be wrong though, as I have not pulled them out of the block.

Maybe Saunders will chime in, I think he put his in himself.
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Old 07-29-2008, 10:34 AM   #3
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Dan its really simply. You can so it.
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Old 07-30-2008, 08:16 AM   #4
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I believe The Siemens require fuel rail washers to make them fit. Check out the Maptun site, these are Siemens 630cc:
http://www.maptun.com/webshop/produc...&listorder=160

I did not install mine, but some of my PCV stuff broke when they installed it. Both the check valve and grommet to valvecover. Might want to have spares ready if you install. Mine is 04 Aero as well.
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Old 07-30-2008, 08:26 AM   #5
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so is this just a generic washer then? I suppose it is on the rail, to move the fuel rail back a little, not used on the injectors themselves?
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Old 07-30-2008, 08:31 AM   #6
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It has to be the right size since the depth of the injector in the intake manifold is quite important. The spray is a cone and has to be just right. I made a batch of spacers and usually include them with the injectors if it is a package upgrade deal.
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2.0 GOOSE 500whp + 8500rpm = 11.06 @125 E85
Viggen 439whp / 447tq 12.43 @114 on Gt2871.64, (Now 511whp Gt3076)
Nordic E85 9-3 SS Aero 320hp / 350ftlbs
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Old 07-30-2008, 08:43 AM   #7
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hmmm... you have mail
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Old 08-13-2008, 05:24 AM   #8
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OK so I have myself convinced I can do this one, after looking at WIS.

a few questions:

-fuel disconnect tool - any type or generic will work?
- re-assebmly: "connect and adjust throttle cable" - what exactly does that mean, calibrate in some way?
- any other special tools? I have a decent assortment of ratchet sockets and extensions in metric and some torx bits as well.
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Old 08-13-2008, 05:51 AM   #9
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Leave the rail hooked up to the lines. Wear safety glasses. No seriously!

Blow the dirt away from the area. Engines don't like that.

Little engine oil on the new injectors will make them pop in easier.

Make sure to get the clips seated well.

When you take one out the fuel rail will drain. Have a cup or something to catch it.

Somebody made the spacers from aluminum so don't drop them behind the alternator or starter.

Leave the fuel press 3.0
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2.0 GOOSE 500whp + 8500rpm = 11.06 @125 E85
Viggen 439whp / 447tq 12.43 @114 on Gt2871.64, (Now 511whp Gt3076)
Nordic E85 9-3 SS Aero 320hp / 350ftlbs
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Old 08-13-2008, 05:59 AM   #10
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Quote:
Originally Posted by GenuineSaab View Post


Somebody made the spacers from aluminum so don't drop them behind the alternator or starter.

Leave the fuel press 3.0
what will happen if I dropped them? can't get then with a magnet or some damage?

so the stock 3,0 is only for flex fuel then with big injectors? no 3.5???
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Old 08-13-2008, 06:07 AM   #11
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My magnet won't pickup the alu parts. switched the injectors so many times on the red car found 2 down in there last time it was apart.

You just need the 3.0 with the big injectors on this setup.
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2.0 GOOSE 500whp + 8500rpm = 11.06 @125 E85
Viggen 439whp / 447tq 12.43 @114 on Gt2871.64, (Now 511whp Gt3076)
Nordic E85 9-3 SS Aero 320hp / 350ftlbs
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Old 08-13-2008, 06:19 AM   #12
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Ok thanks... sent you a few more final Q's about the kit...(plugs etc)
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Old 08-19-2008, 03:46 PM   #13
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so the injector connectors(elec)

are they like on the DI with a annoying thing you have to pope with a screwdriver, or do they pull right off, or does something else secure them. it's hard to see in there. trying to be totally prepared for tomorrow's big install...
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Old 08-19-2008, 05:55 PM   #14
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They have a steel wire spring clip.
They just push (spring action) in towards the connector. While pushing steel spring in pull the connector up off the injector
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Old 08-19-2008, 06:27 PM   #15
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Quote:
Originally Posted by lastaero View Post
They have a steel wire spring clip.
They just push (spring action) in towards the connector. While pushing steel spring in pull the connector up off the injector
THANK YOU. I saw the spring and my instinct would have been to pull on it /pull it out like the other connectors

yes, this is going to be dangerous but fun.
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Last edited by abdukted1456; 08-20-2008 at 12:18 PM.
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Old 08-20-2008, 07:30 PM   #16
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I actually pulled this off tonight in a couple hours. It took 3 times as long to take apart than it did to put back together, but it always does with any project as I get familiar with it.


thanks to all the people who gave me some advice, and kept this from becoming as EPIC as my first brake job.
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Old 08-20-2008, 07:35 PM   #17
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Nice.


When does the tune go in?
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Old 08-20-2008, 07:40 PM   #18
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it's in... it's SCARY AS F**K

I can't see needing a wagon to go any faster



I didn't drive it far because there are so many deer and it's pitch black out here in the country... will try in the AM, and hopefully go get some E85 to fill up, it's a flex fuel stage 3+ ECU
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Old 08-20-2008, 07:57 PM   #19
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Badass.


High speed wagons are the way of the future.
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Old 08-20-2008, 08:00 PM   #20
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well i said it's fast enough, but that isn't stopping me from putting in the big ETS IC next...
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