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Old 07-28-2014, 01:24 PM   #1
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Injectors?

Can you run ford mustang 5.0 injectors in a 4.0l

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Old 07-28-2014, 02:38 PM   #2
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Yes. Bosch yellow top 19lb. injectors. They are plug and play.

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Old 07-29-2014, 10:20 AM   #3
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Old 07-29-2014, 09:38 PM   #4
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Better to use neon for early type plug and green crusier for newer style wiring harness as these not only plug and play but still use the retaining clips that don't work on the ford I donor injectors
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Old 07-29-2014, 10:08 PM   #5
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I have dodge neon injectors in my 92 MJ and 98 XJ. I'm a huge fan of them. They don't really help out the butt dyno too much but they really seem to smooth out the idle a lot and help with throttle response
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Old 07-29-2014, 10:35 PM   #6
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will either the mustang or explorer ones work or just the mustang? I have a set of the explorer ones from my 5.0 days.
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Old 07-29-2014, 10:56 PM   #7
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I have the orange ones in the middle of the photo I posted and they work good. Smoothed thebidle out and goot throttle response. The engine is deff. smoother throughout the throttle range.
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Old 07-29-2014, 11:03 PM   #8
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Im using 1999 dodge Neon injectors in my 2001 TJ. Had to order adaptors so my injector wiring harness would work with them. Adaptors were $15.00. A lot cheaper than getting new injectors that had right hookups. Besides I got the neon injectors for free.
Now come on Friday, that's when adaptors arrive.
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Old 07-29-2014, 11:15 PM   #9
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Quote:
Originally Posted by mikhail2400 View Post
Im using 1999 dodge Neon injectors in my 2001 TJ. Had to order adaptors so my injector wiring harness would work with them. Adaptors were $15.00. A lot cheaper than getting new injectors that had right hookups. Besides I got the neon injectors for free. Now come on Friday, that's when adaptors arrive.
Why didn't you get the 784s instead of the 703s? Aren't 784 are plug and play for 97+?
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Old 07-29-2014, 11:18 PM   #10
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One of these depending on electrical harness connection
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Old 07-30-2014, 01:42 AM   #11
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Why didn't you get the 784s instead of the 703s? Aren't 784 are plug and play for 97+?
Well the main reason is my younger brother had his timing belt snap on his Neon a few years back. Its an interference engine so it basically was ruined. Its sat there the whole time since then. So I got the 4 port injectors free and in great shape. Also they had hook ups like the green one in the post above while my Jeep has the black ones in the post above. I didn't want to cut any wires so I spent $15.00 on the adaptors. That way if I ever put any others in I can run whichever type I get.

Digger you know your injectors. Tell me I read a chart that said I should run 24# injectors the other day. Would there be any advantage to running higher pressure injectors?
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Old 07-30-2014, 07:43 AM   #12
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None with a stock engine as the PCM s internal map has injector pulse duration settings based on proper mixture at the stock injector flow rate

The reason to use other than stock injectors is to increase atomization of fuel based on newer four hole design not to screw up the normal ideal mixture and run extra rich
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Old 07-31-2014, 11:48 PM   #13
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My injector adaptors came in a day early. Put them in and finally got to drive the Jeep after a few days. Of course theres no dramatic improvement in horsepower or anything but there is a slight difference. It now holds speeds in 5th gear a bit better and it seems to accelerate just a tiny bit better than it did before. As for better mpg, that remains to be seen but I doubt it will improve much if any.
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Old 08-01-2014, 12:38 AM   #14
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Adapters like smit racing sells for the electrical connection?

If so was there room on all six injectors for the adapters one or two looked a little tight to me
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Old 08-02-2014, 04:55 PM   #15
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Originally Posted by Digger84 View Post
Adapters like smit racing sells for the electrical connection?

If so was there room on all six injectors for the adapters one or two looked a little tight to me
Don't know about smit racing and I used the adaptors on a 4cyl. heres a pic of the adaptors themselves, they are about 1 1/4"x3/4"x1/2" (LxHxW)
Maybe they will work for what you need. Only $7.50 for 2 of them.

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Old 08-02-2014, 07:21 PM   #16
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Looks like the ones from summit racing
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Old 08-02-2014, 07:23 PM   #17
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Old 08-02-2014, 08:50 PM   #18
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Yeah they look pretty much the same. The ones I have work perfectly. Had no problems and by using them I didn't have any taped up wires spliced together making it look all thrown together. Though im not above doing that if its necessary. LOL

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