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Old 02-21-2008, 11:47 PM   #1
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Default WRX Injectors

What's involved in getting these to work? I did a search and found that they're a direct fit except for some length issue. Can someone elaborate?
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Old 02-22-2008, 12:44 AM   #2
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Quote:
Originally Posted by The_Pipefather View Post
What's involved in getting these to work? I did a search and found that they're a direct fit except for some length issue. Can someone elaborate?
Are there the 440cc's?

They should be PnP..., IIRC they are shorter so you may have to use a different spacer on the rail (I had to use a couple of washers for my DSM's)
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Old 02-22-2008, 12:52 AM   #3
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I think they're somewhere around 425-ish.

So all I need to add is a couple of washers? Then its definitely worth it for the price.
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Old 02-22-2008, 02:57 AM   #4
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make sure to post when and if you decide to get and install em i'd like to know how it goes
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Old 02-22-2008, 05:08 AM   #5
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The pink ones are around 420ish, but supposedly if you clip the caps they're good for around 700cc.. Defiantly post up more info when you get it.
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Old 02-22-2008, 05:48 AM   #6
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Pink injectors are around 550, the factory blue injectors from the 02 - 05 are about 425. Blue injectors from the 06 - 07 are around 550 as well.

If you clip the caps you get 850cc's. I will try to post a picture to show the difference between the two. I have used both sets in my WRX.

Edit: Here you go

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Left are the JDM pink sti injectors, right are clip 02-05 wrx injectors. I'll try to get a picture of the factory unclipped injectors. I think they should flow enough for miata purposes, Getting to fit is another thing. I have an extra set and i'll see if they fit on my miata later on in the month.
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Old 02-22-2008, 05:55 AM   #7
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btw -these injectors go for about 30 - 50 a set on Nasioc, clipped (Cap mod) sets go for around 100. Clipped sets also vary in flow from 800 - 850 so becareful if you choose this route, try to get sets that are matched well. If you guys have questions about these, I will try my best to answer them.
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Old 02-22-2008, 11:38 AM   #8
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If you have a stock miata injector lying around, can you take a detailed pic of both side by side so that the length difference is apparent?

30-50 hmmm....looks like I will have to do some bargaining.
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Old 02-22-2008, 01:52 PM   #9
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I don't have a stock miata injector lying around, but i'll take some measurements later on today.

Last edited by lugee; 02-22-2008 at 02:08 PM.
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Old 02-22-2008, 02:24 PM   #10
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THe injectors are about 2 and a half inches long.

Excuse the weird picture sizing, I don't have photoshop on this computer and was too lazy to get on my other one.
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Old 02-22-2008, 08:35 PM   #11
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Cool...I just found some info on the Subaru forums:

http://forums.nasioc.com/forums/show...7+injectors%22

The gist of the thread is that the #195500-2020 RX7 injectors fit the WRX, only issue being they are a little longer and the manifold-side seat is a little larger.

So it should be the exact opposite for the Miata. Interesting.
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Old 02-22-2008, 09:03 PM   #12
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Quote:
Originally Posted by The_Pipefather View Post
Cool...I just found some info on the Subaru forums:

http://forums.nasioc.com/forums/show...7+injectors%22

The gist of the thread is that the #195500-2020 RX7 injectors fit the WRX, only issue being they are a little longer and the manifold-side seat is a little larger.

So it should be the exact opposite for the Miata. Interesting.
When I get the time, I try to pop on the WRX injectors to see if they fit on my 1.8.
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Old 02-24-2008, 05:21 PM   #13
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Quote:
Originally Posted by lugee View Post
Pink injectors are around 550, the factory blue injectors from the 02 - 05 are about 425. Blue injectors from the 06 - 07 are around 550 as well.

If you clip the caps you get 850cc's. I will try to post a picture to show the difference between the two. I have used both sets in my WRX.

Okay, thank you for clarification... I get *** backwords on that stuff sometimes.

I was of the impression they were a direct fit drop in replacement for the top feed WRX injectors, kinda looks like its not worth the hassle. :(
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Old 04-13-2008, 09:12 PM   #14
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Finally pulled my injectors today to upgrade. I didn't think the situation was this bad :( :




Every SINGLE dimension on both is the same, only the length is less.

Any ideas on how to get these to fit? Or maybe I should stop acting like the maverick and simply go with the conventional choice.
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Old 09-26-2010, 09:30 AM   #15
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For future reference, here is my solution to WRX injectors in a Miata application:

https://www.miataturbo.net/showpost....5&postcount=12
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Old 09-26-2010, 06:26 PM   #16
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where did you get those extender caps?
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Old 09-26-2010, 07:06 PM   #17
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Sorry, should have mentioned that:

http://www.fiveomotorsport.com/elect...s/?itemid=1136

Hope this helps someone.

I got them cheaper on eBay from this seller.
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