Thread: USDM STI yellow side feed injectors - Definitive flow rate

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2009-11-15 18:16:44

#31

Stabone

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So my question is: Should I avoid using these since the flow rate is unknown? I was considering upgrading to these, but this thread is giving me second thoughts.

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2009-11-15 20:36:54

#32

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I think I need some new clips before I can install these. The ones I have, dont seem to even line up with the pins in the injector :/

And I say go for it, there 520-550. Not gonna throw the tune off that far, and it should be easy to tune the k value in the car.

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2009-11-15 20:44:33

#33

BenFenner

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Originally Posted by Stabone

So my question is: Should I avoid using these since the flow rate is unknown? I was considering upgrading to these, but this thread is giving me second thoughts.

Not knowing the exact flow rate is not a reason to stay away from these injectors. It is a nice thing to know (for HP calculations and a few other esoteric things), but as long as you're in the ballpark there is no problem tuning them or anything like that. No problems at all. You should buy them if they meet your power needs.

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2009-11-15 23:38:25

#34

gomba

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Originally Posted by Stabone

So my question is: Should I avoid using these since the flow rate is unknown? I was considering upgrading to these, but this thread is giving me second thoughts.

If you can wait a few months, we can see how they run in my car

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2009-11-16 00:03:55

#35

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plenty of people on the forum are already running them just fine. There is no speculation.

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2009-11-19 18:51:09

#36

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These are great injectors to use due to the fact the subie injectors are all going to flow what they are suppose to. Whether they are 550cc or 520cc is beside the point. Get the car on a dyno after you install them.

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2011-01-31 15:00:11

#37

BenFenner

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Another flow test showing approximately 520cc at 3-bar pressure by Teal97.
http://www.sr20-forum.com/541143-post340.html

Thanks man!

Last edited by BenFenner on 2011-01-31 at 17-09-58.

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2011-01-31 15:53:21

#38

daveracer

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Well there it is. I'm running the JWT 605cc sti injector program and it's not bad. I have a VET and it's tuned for a DET, but i need to get that fixed.

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2011-01-31 16:00:48

#39

BenFenner

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Oh it's also nice to see they are 11 Ohms in resistance. That's important to tuners as well.

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2011-01-31 17:00:55

#40

s383_nx2k

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hey im looking into gettin my ecu reprogramed with sti injectors and from what i see i should have them have the FP at 43.5 and that would have the injectors at 525cc

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