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Old 10-14-2013, 10:30 PM   #21
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Shouldnt matter how much fuel you're spraying at the wall. The fuel will be condensing on the wall anyways (at low flow) or not being swept away before it even makes it to the wall (high flow).
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Old 10-14-2013, 11:02 PM   #22
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I picked up a set of bosch ev14 injectors from a ford econoline van. They are super cheap on ebay (got my set for $40 for all 4)

The only thing with them is that they are the ev14L. They are a tad long for the Miata with a stock rail and intake manifold.


I am going to be building my own intake manifold so I can get mine to work, but it might be a case of adding a custom spacer and a longer bolt to these to get them to work in our cars. 99-05 might have an issue with the length though because the injector boss is casted in the head.
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Old 10-14-2013, 11:24 PM   #23
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Quote:
Originally Posted by shlammed View Post
I picked up a set of bosch ev14 injectors from a ford econoline van. They are super cheap on ebay (got my set for $40 for all 4)

The only thing with them is that they are the ev14L. They are a tad long for the Miata with a stock rail and intake manifold.


I am going to be building my own intake manifold so I can get mine to work, but it might be a case of adding a custom spacer and a longer bolt to these to get them to work in our cars. 99-05 might have an issue with the length though because the injector boss is casted in the head.
Have you tried comparing/fitting them? To my understanding they are 12mm longer than the standard, which requires a 12mm spacer to run in the stock mani/rail. So my theory is that those should be the right length.
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Old 10-15-2013, 10:38 AM   #24
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Quote:
Originally Posted by Leafy View Post
Shouldnt matter how much fuel you're spraying at the wall.
I'm guessing most OEM fuel delivery engineers would disagree with this statement.

I think I'd rather be spraying most of the fuel at the intake ports as opposed to just spraying it where ever.


Quote:
Originally Posted by shlammed
I picked up a set of bosch ev14 injectors from a ford econoline van. They are super cheap on ebay (got my set for $40 for all 4)
Another super cheap EV14 would be from the Pentastar V6. You could probably find these in a junk yard for near free. They are the short version, so I don't know how well they would fit, obviously some sort of spacer or adapter would be needed.

I think they are somewhere around 300cc so they would only really be an option for N/A guys, but it would be a good cheap option. Even relatively low hp N/A guys should see some benefit going from stock injectors to EV14. I know on other N/A cars we saw significant benefit using EV14s.

Last edited by Efini~FC3S; 10-15-2013 at 10:39 AM. Reason: code fael
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Old 10-15-2013, 01:47 PM   #25
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Serious question: rather than trying to find all these hats and adapters for the injectors to change the length of the body, why not fire up the lathe and make different heights of spacers for the stock rail? A rail spacer seems like it would be far far easier to make and any jack off with a lathe and basic tools could probably make one. Hell, make them out of plastic like Mazda did and you could cut them on a wood lathe.

This of course assumes the injector pockets are already the correct dimensions in the rail and the head. I haven't looked that far into the drawings yet. Am I missing something here?
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Old 10-15-2013, 01:49 PM   #26
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Quote:
Originally Posted by Efini~FC3S View Post
I'm guessing most OEM fuel delivery engineers would disagree with this statement.

I think I'd rather be spraying most of the fuel at the intake ports as opposed to just spraying it where ever.




Another super cheap EV14 would be from the Pentastar V6. You could probably find these in a junk yard for near free. They are the short version, so I don't know how well they would fit, obviously some sort of spacer or adapter would be needed.

I think they are somewhere around 300cc so they would only really be an option for N/A guys, but it would be a good cheap option. Even relatively low hp N/A guys should see some benefit going from stock injectors to EV14. I know on other N/A cars we saw significant benefit using EV14s.
I wonder if they would work with the stock ecu?
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Old 10-15-2013, 02:47 PM   #27
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Quote:
Originally Posted by EO2K View Post
Serious question: rather than trying to find all these hats and adapters for the injectors to change the length of the body, why not fire up the lathe and make different heights of spacers for the stock rail? A rail spacer seems like it would be far far easier to make and any jack off with a lathe and basic tools could probably make one. Hell, make them out of plastic like Mazda did and you could cut them on a wood lathe.

This of course assumes the injector pockets are already the correct dimensions in the rail and the head. I haven't looked that far into the drawings yet. Am I missing something here?
the rail doesn't need to be spaced, it needs to sit lower to the manifold as injectors are short. Even with stock spacers removed, still too high to seal. Need a custom rail, or at least mounts. The top hat spacers to me are a simple solution as it requires no fab
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Old 10-15-2013, 03:07 PM   #28
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Quote:
Originally Posted by kero View Post
the rail doesn't need to be spaced, it needs to sit lower to the manifold as injectors are short. Even with stock spacers removed, still too high to seal. Need a custom rail, or at least mounts. The top hat spacers to me are a simple solution as it requires no fab
Ahh, gotcha. I guess I was thinking about the EV14L. Still might be an option?

I almost want to go find a set of 250-300cc EV14's and see if the stock ECU freaks out or not. I'm all for trying and logging with my wideband if I can find the injectors for under $100. I wouldn't expect much of a power bump, but I could see better efficiency with better atomization.
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Old 10-15-2013, 03:31 PM   #29
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Originally Posted by kero View Post
I don't know how well they will work either, my theory is that if it comes OEM on a brand new sports car, it can't be THAT bad. It seemed to idle pretty good, I'm still not sure of the dead times they should be set to, but I also got to tune idle as I wasn't able to idle stoich with rx7 injectors, so i'm probably idling rich, as I said my wideband controller took a dump.

Speaking of which that is probably another thread I will be making on, the BPSX D1 controller, there was one thread about it, but it seemed to turn into an AEM circlejerk. I ordered one, I thought what the heck, I'll give it a try as not much info is available.
I made that thread on the Wideband, I'm interested in your results.
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Old 10-24-2013, 07:36 AM   #30
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Quote:
Originally Posted by shlammed View Post
I picked up a set of bosch ev14 injectors from a ford econoline van. They are super cheap on ebay (got my set for $40 for all 4)

The only thing with them is that they are the ev14L. They are a tad long for the Miata with a stock rail and intake manifold.


I am going to be building my own intake manifold so I can get mine to work, but it might be a case of adding a custom spacer and a longer bolt to these to get them to work in our cars. 99-05 might have an issue with the length though because the injector boss is casted in the head.
I guess the 60 mm ones can be made to fit if you machine the collar to 10mm diameter down to the retaining clip groove.



I reuse the blue and green o rings that come with the ford injectors and add a new rail seal O ring. (7 mm inside diameter x 2.25mm thick)
I haven't got around to flow resting and fitting the GT 500 injectors yet but i am hopeful that they could also be made to fit in a similar way without spacers.

Those econoline injectors probably end up being 750 cc's if you remove the atomizing / vectoring cover plate.
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My quest of running Ford GT500 EV14s-p1040416_zps1d56ab59.jpg   My quest of running Ford GT500 EV14s-p1040418_zps7d82c78d.jpg  
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Old 10-28-2013, 11:55 AM   #31
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Quote:
Originally Posted by sturovo View Post
I guess the 60 mm ones can be made to fit if you machine the collar to 10mm diameter down to the retaining clip groove.
Im not sure that I follow what part you are speaking of.
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Old 10-28-2013, 02:37 PM   #32
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Matt this shows the diameter I am talking about. The rail side of that injector started out as 14mm like the stock ev14 one on the RHS.
I put it in a lathe and reduced the diameter to 10.4mm down to the depth of the retaining clip groove.
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Old 10-30-2013, 01:39 PM   #33
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Is there an EV14L in the 2-300cc range?
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Old 10-30-2013, 01:44 PM   #34
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Is there an EV14L in the 2-300cc range?
+1 ~ 250-300cc range
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Old 10-30-2013, 02:13 PM   #35
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No. Just no
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Old 10-30-2013, 02:23 PM   #36
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Old 10-30-2013, 02:48 PM   #37
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The NC has EV14s, I don't think they should be larger than 350cc.
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Old 11-02-2013, 11:47 PM   #38
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The 2008-2011 Ford Focus has 200cc ev14 injectors. not sure on the length.

Last edited by ThunderKunt; 11-07-2013 at 07:38 PM.
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Old 05-05-2014, 10:11 PM   #39
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kero - can you provide an update?

What dead times are you using?
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Old 05-06-2014, 01:41 PM   #40
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What about the Focus ST?
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