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FS[MidWest]: 784/703/710 Injectors

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Old Feb 9, 2016 | 02:56 PM
  #1  
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Year: 1999
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Default 784/703/746 Injectors

All injectors are tested, ultrasonically cleaned, cleaned again by hand, rebuilt (New o-rings, filters and pintle caps) and tested again, then ready to ship.

All prices include shipping to US addresses.

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784's are $90 a set of 6 shipped.

Fit 99-04 4.0's.



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746's are $75 a set of 6 shipped.

Fit 87-90 Renix era 4.0's.





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703's are $125 a set of 6 shipped.

Fit 91-98 4.0's.



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Last edited by jhc7399; Jun 20, 2018 at 10:52 PM.
Old Feb 10, 2016 | 01:15 PM
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If you are thinking about doing this upgrade, get off the fence and get these injectors from this member. You will not be disappointed. I bought from him a few months back and just got around to installing these yesterday and I can already tell there is a positive difference. The seller is a pleasure to do business with.
Old Feb 10, 2016 | 03:22 PM
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Thank you, I appreciate that!

Glad you are happy with the swap.
Old Feb 10, 2016 | 08:39 PM
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Originally Posted by jhc7399
Thank you, I appreciate that! Glad you are happy with the swap.
No problem. I might cancel out any mpg gains just cuz I wanna jam on the gas more now lol.
Old Feb 12, 2016 | 09:28 AM
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Are any of these appropriate for my '89 Renix 4.0?
Old Feb 12, 2016 | 10:53 AM
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Yes sir, the 703's will work.
Old Feb 12, 2016 | 11:12 AM
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Originally Posted by jhc7399
Yes sir, the 703's will work.
Please explain to me how this is an upgrade. Thanks.
Old Feb 12, 2016 | 02:43 PM
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One of the easiest modifications on our beloved 4.0’s is a fuel injector swap. For some, this may sound like a technical and daunting task, but rest assured, it’s actually quite simple. The reason for this swap is simple. Jeep used 1-hole pintles on their injectors while Chrysler used 4-hole pintles on the rest of their products. The 4-hole pintle allows for a more even fuel spray pattern, resulting in better atomization, making the engine work less and run a little smoother. The results you gain from this are a smoother idle and better throttle response. Some have seen a very mild gas-mileage gain, but this is due to running clean injectors as compared to the stock ones that are dirty.

Take from here because it is a great explanation.

https://thexjguys.wordpress.com/2012...injector-swap/
Old Feb 12, 2016 | 07:21 PM
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Interested. I'll double check mine to confirm they are the original stock injectors. If so I'll likely order a set. Thanks.
Old Feb 18, 2016 | 08:40 PM
  #10  
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Couple of sets of 784's and one set of 700/710.

$70 - 784 shipped,

$60 - 700/710 shipped.


Old Feb 20, 2016 | 02:49 PM
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703's arrived today via USPS. I'll try to install them tomorrow.

Well packaged, good looking injectors and a very straight forward transaction with no hiccups.

Top marks to the seller.
Old Feb 20, 2016 | 07:54 PM
  #12  
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Thanks Jimbo!
Old Feb 20, 2016 | 09:01 PM
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703's make a renix run rich. Renix want 746.
Old Feb 21, 2016 | 10:13 PM
  #14  
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Don't think twice about getting a set from Jeff. I got a set a month ago and it gave me a huge MPG improvement.
Old Feb 25, 2016 | 08:18 AM
  #15  
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Got mine today, they look great! Well packaged and shipped fast! Cant wait to put them in, thanks jhc



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