Homemade Injector Tester/Cleaner - Mustang Evolution

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Old 06-14-2015, 10:14 AM   #1
WJL
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Homemade Injector Tester/Cleaner

Always a little concerning when mixing a flammable liquid, under pressure with and electrical circuit.

I did have a fire extinguisher right beside me.

You can see the fuel stream in the one picture
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Old 06-14-2015, 11:16 AM   #2
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Nice. Looks like it works very well.

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Old 06-14-2015, 12:25 PM   #3
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Neat setup!
Let's hear some details on how it all works.
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Old 06-14-2015, 01:16 PM   #4
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Wow nice, post the rest of the setup so we can see exactly what you have going on there.
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Old 06-15-2015, 07:26 PM   #5
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Here's what i did, my wife has saved every electrical cord from every device we have ever owned, so i dug through and found a transformer that converted 120V AC (Input) to
12V DC 200mA (Output).

12V DC 200mA is an acceptable operation voltage and current for the this type of injector.

I had a plug for the injector from an old project, made a little box put a button in and that is my power supply.

I had a set of fuel rails from an 05 Lincoln motor i'm in the process of swapping over I cut the fuel line off the one fuel rail connected a piece of 5/16" fuel line, put a weather head fitting on the other side put a moisture trap in line.

Had a piece of angle left over from when my garage door was installed, the hole spacing was perfect.

I filled the fuel rail with a gas/fuel injector cleaner mixture, plug the injectors in to the rail, put the angle on the bottom and used wire ties to tighten the angle to the rail.

Turned my compressor down to 20 psi and connected it to the 5/16" fuel line, hit the button and it fires.

I have been busy at work i should take some time and write this up a little better.

Any questions ask away
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Old 06-15-2015, 09:43 PM   #6
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That is pretty cool!
When you send injectors out for professional cleaning, they use a similar setup for testing the injectors for flow and spray pattern. They use an ultrasonic cleaner to clean the injectors while they are being cycled open and closed. I suppose that a person could use an ultrasonic cleaning machine designed for jewelry. You would just need to figure out how to cycle the injectors without having to stand there pushing the button!
There is also a small fuel filter inside of the injector that should be replaced.
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Old 06-16-2015, 06:34 AM   #7
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I'm going to have to do the filters in my 42s most likely. Only 34k miles on them but they are 15 years old... I might just send them out for rebuild/cleaning/test.
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Old 06-16-2015, 02:31 PM   #8
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It's more of a screen than a filter, if you take a sheet metal screw and just screw the tip in you can pull the screen out.

You can buy a tune up kit which provides the screen, O-Rings and pintle caps for around $20.00. That's what i'm going to do.

This was just something i did, it didn't cost me anything and it was something fun to do on a Sunday morning without waken everybody up lol.

it's unbelievable how well ultrasonic cleaning works, way better than i imagined.
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