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Old 10-01-2012, 02:52 PM   #1
Fuel Injector Clinic
NASIOC Manufacturer
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Member#: 270262
Join Date: Jan 2011
Default Hello from Fuel Injector Clinic! Check out our products and ask any questions here




We are excited to join NASIOC as an official "Manufacturer" and support the awesome Subaru community here.

We've been a part of the NASIOC community for a long time as Subaru owners and know how one-of-a-kind the Subaru community is, and we're happy to be able to offer our knowledge and support to everyone when it comes to your fuel and injector related questions, and be able to offer you some solutions on your fuel upgrade path.





Utilizing the Newest, Most Advanced Injector Technology
The injectors that we offer for the Subaru line are all the latest technology Bosch style injectors which offer the greatest performance available with very linear flow rates and repeatable pulse widths. This repeatability is important, especially at the very short pulse widths in the idle and light throttle are of the map, so that it will be nice and simple to get these more challenging areas tuned well and have your car running its best.

We offer drop-in fitment injector solutions for both OEM Top Feed setups as well as a great solution for OEM Side Feed setups with our Top Feed Conversion Fuel Rail and the top feed injector set of your choice to go along with it.


For All WRX, 07+ STi (OEM Top Feed injector setups):
We offer the following injector sizes for top-feed Subaru applications.

650cc
775cc
900cc
1100cc
2150cc

These injectors have stock fitment and include connectors with pigtails to wire in to your harness. You can choose to upgrade to plug and play adapters which make install even easier without the need for wiring.

Here is a photo of our 1100cc injectors for a Subaru top feed setup


And here is a photo of our 2150cc injectors for a Subaru top feed setup



For 04-06 STi, 05-06 Legacy GT (OEM Side Feed injector setups):
We offer a Top Feed Conversion Fuel Rail (available in silver, black, red, and blue) which replaces your stock side feed fuel rail and allows you to choose from any of our top feed injectors. This enables you to choose from the newest technology injectors on the market as well as giving you more choices on injector sizes available to you.



This Top Feed Conversion Fuel Rail includes the two fuel rails with AN fittings and brackets to attach them to your TGVs and is made to work perfectly with our corresponding Top Feed Conversion Injector sets available in all of the sizes listed above. You can build the rest of your fuel system around this setup for the perfect fit on your specific setup.

Here is a set of our 900cc Top Feed Conversion injectors made to work with the Top Feed Conversion rail above




We have BRZ and FR-S Injectors Too!
We offer Subaru BRZ and Scion FR-S injector upgrades too! These are available in the following sizes:
660cc
770cc
1100cc
2150cc

Here is a photo of our 660cc injector for the BRZ / FR-S



If you have any questions at all about fuel injector upgrades, we will be happy to help you out, feel free to PM us or post in this thread.

We also already work closely with many of your favorite vendors here on NASIOC, so you can contact them to ask for a Fuel Injector Clinic injector set for your car.



-----

Thanks,
Bryan
Fuel Injector Clinic
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-Bryan

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Last edited by Fuel Injector Clinic; 01-10-2013 at 09:54 AM.
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Old 10-01-2012, 03:06 PM   #2
Crystal_Imprezav
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Did you recently change your 2150 injector adapter design? The ones I got not too long ago were silver and came with clips to secure the adapter to the top of the injector. Also had a built in filter which I don't see in the above pic.
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Old 10-01-2012, 03:13 PM   #3
Fuel Injector Clinic
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Hey, good catch! We did redesign our adapters in the past 6 months or so for logistical and design purposes. Functionally both versions work 100% so what you have is good to go.

Our 2150s do also include an additional filter basket in the top adapter on applications where that is possible just for an extra line of defense against debris and contaminants coming from the fuel. Its not required, but it doesn't hurt to have if you can.

How are the injectors working out for you? We're always interested in feedback and take pride in our excellent customer service.

-Bryan
Fuel Injector Clinic
__________________
-Bryan

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Last edited by Fuel Injector Clinic; 10-05-2012 at 09:55 AM.
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Old 10-01-2012, 04:30 PM   #4
HaPpYfAcE
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Location: Colorado Springs
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2010 STi

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Is there an option for someone who may not want to make a leap from 1100s to 21xxs?

i have seen some 1680s floating around every so often, and i feel they would be perfect for me if i decided to go to E85.

Thanks
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Old 10-01-2012, 04:38 PM   #5
Fuel Injector Clinic
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We did offer 1680s previously but they have a higher sensitivity to fuel temperature and in certain setups that were running higher than normal fuel temperatures the injectors were responding in a less than ideal way. They did work great in many cars but due to the issues we saw in some of these examples we decided to stick with the injectors that work well in all conditions and we removed these from our list of applications.

We have had great success running the 1100cc injectors at higher fuel pressures though, which raises their effective flow rate if you need a bit more than the 1100cc injectors can offer at 43.5 psi of base fuel pressure.
For example, if you run these injectors at 60 psi of base fuel pressure then they flow nearly 1300cc which is about a 20% increase in flow, and allows them to support quite a bit more power.
So long as you have the fuel pump(s) to support the higher pressures then this is a very nice solution for some people. If you're not familiar with going down this path and have any other questions just let me know.
Do you have an idea of how much wheel horsepower you expect to be able to make with your setup on E85? That will help me determine and ideal injector size for you.
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-Bryan

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Last edited by Fuel Injector Clinic; 10-05-2012 at 09:55 AM.
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Old 10-01-2012, 04:57 PM   #6
HaPpYfAcE
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Location: Colorado Springs
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2010 STi

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Quote:
Originally Posted by Fuel Injector Clinic View Post
We did offer 1680s previously but they have a higher sensitivity to fuel temperature and in certain setups there running higher than normal fuel temperatures the injectors were responding in a less than ideal way. They did work great in many cars but due to the issues we saw in some of these examples we decided to stick with the injectors that work well in all conditions and we removed these from our list of applications.

We have had great success running the 1100cc injectors at higher fuel pressures though, which raises their effective flow rate if you need a bit more than the 1100cc injectors can offer at 43.5 psi of base fuel pressure.
For example, if you run these injectors at 60 psi of base fuel pressure then they flow nearly 1300cc which is about a 20% increase in flow, and allows them to support quite a bit more power.
So long as you have the fuel pump(s) to support the higher pressures then this is a very nice solution for some people. If you're not familiar with going down this path and have any other questions just let me know.
Do you have an idea of how much wheel horsepower you expect to be able to make with your setup on E85? That will help me determine and ideal injector size for you.
Thanks for the helpful response. I also sent a pm.
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Old 10-01-2012, 05:39 PM   #7
Fuel Injector Clinic
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Not a problem, we're happy to help!
__________________
-Bryan

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Last edited by Fuel Injector Clinic; 10-05-2012 at 09:56 AM.
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Old 10-01-2012, 06:41 PM   #8
Crystal_Imprezav
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Vehicle:
2005 Super Slow STi
CGM

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Quote:
Originally Posted by Fuel Injector Clinic View Post
Hey, good catch! We did redesign our adapters in the past 6 months or so for logistical and design purposes. Functionally both versions work 100% so what you have is good to go.

Our 2150s do also include an additional filter basket in the top adapter on applications where that is possible just for an extra line of defense against debris and contaminants coming from the fuel. Its not required, but it doesn't hurt to have if you can.

How are the injectors working out for you? We're always interested in feedback and take pride in our excellent customer service.

-Bryan
Fuel Injector Clinic
So far so good but one suggestion is to A) find a better material to use as the upper grommet seal or B) use a double o-ring instead as the seal. The ones provided wear and crack too easily due to heat or the E85 and during my last install (reusing them) ended up making the injector leak like a fountain. Those grommets were too hard to find locally w/o going to the stealership so I used some double 16mm o-rings and they sealed up perfect and should be able to handle the heat better.
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Old 10-02-2012, 09:15 AM   #9
Fuel Injector Clinic
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Crystal_Imprezav,

Thanks for the feedback. Are you talking about the upper o-ring? This is an 11mm Viton seal which should hold up well to high temperatures as well as all common types of fuel including gasoline, race fuel, and ethanol fuels.
These 11mm seals are a little more susceptible to tearing during install or uninstall if not lubricated well so once the injectors are installed/uninstalled a few times sometimes a leak can develop that way.
We do have replacement seal kits for all of our injectors available if you or anyone else is in need, its not a bad idea to freshen things up while they're out if its been a while.
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-Bryan

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Last edited by Fuel Injector Clinic; 10-05-2012 at 10:06 AM.
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Old 10-02-2012, 12:19 PM   #10
Crystal_Imprezav
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Join Date: Mar 2005
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Vehicle:
2005 Super Slow STi
CGM

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Not talking about the upper o-ring.Talking about the sandwhich looking grommet. But it looks like you got rid of it in the new adapter, but it is shown in the 900cc injectors you have above.
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Old 10-02-2012, 12:31 PM   #11
Fuel Injector Clinic
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Yes, you are correct that we aren't using the 'cushion' with our upper adapters on the 2150cc injectors, but it is used in some applications like the 900cc injectors pictured above. I haven't heard of this issue before will bring your feedback to our shop tech as we always want to provide the best product possible.
I will shoot you a PM as well to follow up here.
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-Bryan

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Last edited by Fuel Injector Clinic; 10-05-2012 at 10:06 AM.
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Old 10-04-2012, 06:01 PM   #12
Fuel Injector Clinic
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Thanks for the responses from everyone so far, and the inquiries we've received from this thread!

We take great pride in our carefully developed injector testing and matching process in order to provide our customers with the best products possible. Our customer service and support also happens to :coughcoughthatsme: rock .

Looking forward to speaking with more of you about injector upgrades!
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-Bryan

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Last edited by Fuel Injector Clinic; 10-05-2012 at 10:06 AM.
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Old 10-05-2012, 09:27 AM   #13
Layvon
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JBP / OBP for now

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I will be reviewing the 2150s and rails here shortly. I wish I was getting tuned with access port so Dominic could drop the minimum injector pulse width. I also upp'd to -8 on the fuel rails for a feed. Have 2 Bosch 044s y'd into -8 line so I might have been able to get away with 1100s with a bump in fuel pressure but oh well.

Final tine will be done on a vipec so I'm hoping it'll be fine for idle. MAF based for break in; speed density for final.

Ill post back once she's up and running.

Last edited by Layvon; 10-05-2012 at 12:57 PM.
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Old 10-05-2012, 09:50 AM   #14
Fuel Injector Clinic
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Hey Layvon,
That sounds great, I'll be interested to hear how things go with the Vipec but it should have the resolution in the short pulse width range to control the 2150s well.
Are you using E85 or gasoline?

Don't hesitate to get in touch if you have any questions along the way, and we'll be looking forward to your feedback about both the Fuel Injector Clinic Top Feed Conversion Fuel Rails for the 04-06 STi as well as the 2150cc injectors.
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-Bryan

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Old 10-05-2012, 12:58 PM   #15
Layvon
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I will be using 93 for break in and E85 for final tune. First impressions and install were great!
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Old 10-05-2012, 05:15 PM   #16
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Sweet, glad to hear that!

The 2150s have been really popular, especially with the guys going for big power on E85. The 2150s support up to 800 whp and possibly a bit more on a turbo 4 cylinder E85 setup and they still tune remarkably well for an injector this huge.

Very interested to see your setup and hear more feedback after you get the car running. Good luck with it!
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Old 10-13-2012, 07:46 PM   #17
Layvon
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Well, as promised, I said I'd do a little review of the install for you guys. These rails went into my STi without a hitch. Granted, I do have all the stock stuff out already, but the entire start to finish of this project was about 20 min. I had a leaky AN fitting, and so I needed to take the rails off. Bryan and I had been PM'ing back and forth, and he asked if I could document a little about what I had to do for the install.

First thing you have to do is put the rubber piece in the TGV housing. she just falls in.


My picture showing the injectors sitting there turned out to be blurry as all get out. So I apologize for that. Basically all you have to do is put the two blue anodized washers on the bottom of the injector and feed it into the black ring. This is when I also plugged my clips in. At this point, lubricate the top injector o-ring, and the fuel rail hole. They dont snap in, so don't bother trying to hear a audible noise

Grab your fuel rail and get it over the front injector and use your bottom two fingers to guide the injector into the hole, same thing for the back.


Once sitting on the injectors, grab one of the allen bolts and get it started. I had issues with the back ones both times, so I started with the front. You cannot fit a 3/8" 6mm socket in there freely. This was my one complaint about these fuel rails. I was able to get it in there, but it wasn't 100% seated into the allen. I hand tightened with a allen key for both, then got the last 1.5 turns with the socket before checking to see how the injector looked.

You can see how the little blue oring is compressed. This is good. There is another oring up in the fuel rail as well. Take a look at the top of this page at the FIC logo.






tighten on fittings on either end, and test er out... I got lucky and the AN fitting was the culprit. 45psi as planned and no leaks on the rails / injector!
Make sure to let pumps prime for a while to get air out of system. I had drained the surge tank, so I had to cycle the key a few times to get the lifter pump to fill the tank up.




Overall, I think this is about as easy as it gets for STi guys switching to top feed. Install difficulty is a 3/10 if you have the stock system out already. If you have to start the day by gutting the old system out, expect to spend about 5-8 hours on this with a buddy if you have to make up lines and AN fittings.

One thing to note - these come with -6 male fittings. I already had -8 lines running to the rails, so I bought some -8AN / -8 ORB fittings and everything was hunky dory.

Any Questions, holler!
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Old 01-10-2013, 10:15 AM   #18
Fuel Injector Clinic
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Hope everyone had a good holiday season. Please let me know if we can help you get ready for the spring with some new fuel upgrades!
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-Bryan

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