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Old 02-07-2013, 10:02 PM   #31
MoparBoy
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Right on. Well let me know how it works out. Seems like it would though.


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Old 02-24-2013, 01:00 PM   #32
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I put on my 784 injectors last night. That was fun. Really it wasn't too bad, but I had some OHIO rust on the front injector spot, so we had to completely remove the rail and wirebrush/ flush and clean each spot on the rail. The most time was taken up by trying to get the old injector out. Lube and twist, lube and twist....

It went back together great, and runs good, definitely smoother. Now I just have to check mileage over a month or so. Well see.
Couple pics...












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March 2013 Stock Cherokee of the Month

2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

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Old 02-25-2013, 09:01 AM   #33
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Today I am gonna fill up, then I will be watching my mileage religiously. I can honestly tell you, with 100% certainty, that my engine is running smoother now. Kinda nice, mostly because I know something (4 holes) is making a difference in some way.

Guess its time for me to powerwash my engine bay huh? kinda muddy and dusty in there...
I am real hesitant because of the electronics, but at this point it may be worth it. Then I can see where my leaks are. lol.......which reminds me of the next topic...

In the above posted side by side view of the new and old injectors, the old one has the rear o-ring off. Don't worry, its there, and was put back on after the pic. I guess I am gonna try and clean my old injectors and keep them as spares. Next chance I get in a shop I will flush, wipe, and lube them for storage.

Thanks again Programbo.
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2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

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Old 02-25-2013, 03:35 PM   #34
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Interested to see how the mileage turns out! I'm a bit skeptical at the moment. My opinion is, regardless of the four holes, just the fact that the injectors and thoroughly cleaned and refurbished is what makes the most noticeable difference over old stock injectors. Although, the 4 holes most definitely should atomize the fuel spray better, but with the same amount of fuel.

Also, you can 'reset' your computer by disconnecting the battery, that way when it relearns your driving pattern it will be with the new injectors.

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Old 02-25-2013, 06:32 PM   #35
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Yep, I think I reset it, but I am a bit unsure, so unfortunately it will probably happen again.
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2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

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Old 02-25-2013, 07:57 PM   #36
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Nice pics and nice jeep...I wish I would have bought a newer one
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Old 02-25-2013, 08:06 PM   #37
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Quote:
Originally Posted by kanks19 View Post
Nice pics and nice jeep...I wish I would have bought a newer one
Thank you, I really did get a deal on this one, and I love it. Just empty every pocket they said...
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2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

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Old 02-25-2013, 08:49 PM   #38
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how much did u pay?
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Old 02-25-2013, 09:05 PM   #39
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Much less than it was worth, from a family friend who a) was a family friend, and b) knew I was going to college and gave me a "college discount". I paid $3750, put in almost a grand in bodywork (mostly rust prevention for a future investment), $600 in tires, oil and fluid changes, and most of the rest have been gifts. The rack, shovel, and jack had no cost to me. Ecerything else I paid for. My biggest cost, other than initial purchase, is fuel. I'm working on that though.
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February 2016 Modified Cherokee of the Month
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2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

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Old 03-04-2013, 08:48 PM   #40
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Well, quick update:
I just finished a trip consisting of 2 tanks of gas and roughly 320 miles.
This is the first real test I have done since swapping to 784 injectors, so I kept track of fuel, though I will do better in a couple weeks on my next trip.

First tank: est. 235 miles on 18 gallons = 13mpg
Before i was getting closer to 200 or so miles to a tank. So 235 is a good improvement. I am happy for the moment.

I am still in the middle of the other tank, but forgot to reset after filling up, so I will have whatever the trip reads minus 235 for miles. This time on 16gal plus change. This tank is also more around town driving.

2 weeks and I have spring break. This means a 12hr drive home, with several tanks of gas. This will be the best test of it.
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February 2016 Modified Cherokee of the Month
March 2013 Stock Cherokee of the Month

2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

YouTube channel: XJSUPERMAN

Last edited by XJSuperman; 04-03-2017 at 06:45 PM.
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Old 03-06-2013, 03:55 PM   #41
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Have you changed your o2 sensors lately? Replacing them will net another 1-2MPG. I thought I was getting bad gas mileage.., about 225-235 miles until the fuel light comes on. about 14-15mpg, But I'm also running 31's. I think you should easily be able to get 15+mpg with new o2 sensors.
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Old 03-06-2013, 05:47 PM   #42
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Thanks, I am going home in less than 2 weeks, and I'll get it on the lift, and check it all out again. I want to go through my brakes, driveline, and the usual PM, but I will check into my sensors too. I just saw something about that recently....thanks a bunch.
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February 2016 Modified Cherokee of the Month
March 2013 Stock Cherokee of the Month

2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

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Old 03-08-2013, 10:10 AM   #43
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Play nice. -CT99XJ

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Old 03-08-2013, 10:21 AM   #44
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Old 03-09-2013, 05:15 PM   #45
XJSuperman
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Huh? did I miss something?

I can handle comments, Im on a REAL tight budget and most has been put together with gifts/great finds. Not sure what happened, but thanks I guess CT99XJ. Its good to know the mods are lookin out.


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February 2016 Modified Cherokee of the Month
March 2013 Stock Cherokee of the Month

2001 XJ: 4" lift (Rustys LCAs, MetalCloak UCAs, Tuff Country coils, IRO aal), 31x10.50r15 Cooper STT Pros, rear Spartan locker, SYE, custom gas tank skid, Durango steering box, Yakima roof rack on custom crossbars, WickedBilt LED lighting, 784 injectors, and Afe intake

1948 Sears utility trailer project

YouTube channel: XJSUPERMAN
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