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784/703/710 Injectors

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Old 02-09-2016, 03:56 PM   #1
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Default 784/703/710 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.

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I have a couple sets of 784's, $70 a set of 6 shipped.



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A couple of sets of 789's, which are almost identical to 784's just green. $65 a set of 6 shipped.



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And some 703's as well, $75 a set of 6 shipped.



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I will also sell singles for $10 each + $5 shipping.

Last edited by jhc7399; 02-09-2016 at 03:59 PM.
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Old 02-10-2016, 02:15 PM   #2
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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.
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Old 02-10-2016, 04:22 PM   #3
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Thank you, I appreciate that!

Glad you are happy with the swap.
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Old 02-10-2016, 09:39 PM   #4
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Quote:
Originally Posted by jhc7399 View Post
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.
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Old 02-12-2016, 10:28 AM   #5
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Are any of these appropriate for my '89 Renix 4.0?
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Old 02-12-2016, 11:53 AM   #6
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Yes sir, the 703's will work.
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Old 02-12-2016, 12:12 PM   #7
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Yes sir, the 703's will work.
Please explain to me how this is an upgrade. Thanks.
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Old 02-12-2016, 03:43 PM   #8
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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/
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Old 02-12-2016, 08:21 PM   #9
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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.
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Old 02-18-2016, 09:40 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.


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Old 02-20-2016, 03:49 PM   #11
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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.
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Old 02-20-2016, 08:54 PM   #12
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Thanks Jimbo!
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Old 02-20-2016, 10:01 PM   #13
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703's make a renix run rich. Renix want 746.
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Old 02-21-2016, 11:13 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.
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Old 02-25-2016, 09:18 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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