Motobilt TJ fuel cell...in a JK (pump question) - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 14 Old 02-13-2018, 01:55 PM Thread Starter
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Motobilt TJ fuel cell...in a JK (pump question)

so hoping to do a fuel cell before a big trip in may.

the motobilt fuel cell has peaked my interest, i called them asking about installing a JK pump since it'll be in my JK. Person on the phone said i can just trim it a little to make it fit and he's had customers who have done so.

does anyone here have first hand experience with this that can confirm it? Cant exactly find measurements for a JK fuel pump

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post #2 of 14 Old 02-13-2018, 06:59 PM
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Quote:
Originally Posted by chknkatsu View Post
so hoping to do a fuel cell before a big trip in may.

the motobilt fuel cell has peaked my interest, i called them asking about installing a JK pump since it'll be in my JK. Person on the phone said i can just trim it a little to make it fit and he's had customers who have done so.

does anyone here have first hand experience with this that can confirm it? Cant exactly find measurements for a JK fuel pump
Don't know whether it fits on a TJ, but I have a JK pump (whole assembly with the mount plate and the whole in-tank assembly) on the shelf if you want me to take any measurements/pictures. I have heard things changed on the TJ in the last few years of production to make the pump more like a JK's so it might be year dependent too.
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post #3 of 14 Old 02-13-2018, 07:00 PM Thread Starter
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Originally Posted by christensent View Post
Don't know whether it fits on a TJ, but I have a JK pump (whole assembly with the mount plate and the whole in-tank assembly) on the shelf if you want me to take any measurements/pictures. I have heard things changed on the TJ in the last few years of production to make the pump more like a JK's so it might be year dependent too.
if you can get me a measurement of the JK fuel pump thatd be awesome!

Sent from my SM-G930V using Tapatalk

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post #4 of 14 Old 02-13-2018, 07:44 PM
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Not sure exactly what dimension you're looking for, if other than these let me know and I can measure anything.

Cutting the 5.975" dimension down or removing the wing on the OD is trivial. Trimming the 5.095" dimension isn't easy and wouldn't exactly be described as trimming, that'd be sanding that diameter down and there's not much material there (for example, making it fit in a 5" hole would not be a good plan).



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post #5 of 14 Old 02-14-2018, 05:43 PM
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From what I have read an '05-'06 TJ fuel pump will work with a JK. This is what I have planned but still 2-3 months away before I could provide any feedback.

Since I have not posted enough I can't provide a link but if you search the forum for "Gas tank relocation on the cheap" there is a discussion about the other fuel pump.
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post #6 of 14 Old 02-14-2018, 06:33 PM
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You are correct. I ran a genright tj fuel cell for a while and the JK pump was a direct fit.
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post #7 of 14 Old 02-14-2018, 06:44 PM
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But have you tried using a '05-'06 Fuel Pump with a JK?
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post #8 of 14 Old 02-14-2018, 06:54 PM
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I have not, I believe the tj pump assembly is taller then the JK but fits the same ring. Why do you want to use a TJ pump in a JK?

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post #9 of 14 Old 02-14-2018, 07:18 PM
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I have read that if you use a JK fuel pump in a TJ fuel tank the legs of the JK fuel pump need to be extended.
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post #10 of 14 Old 02-14-2018, 07:35 PM
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Yes the TJ tank is taller then the JK. Cant tell you about flow or psi though I would think it would work with both being fuel injected.

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post #11 of 14 Old 02-14-2018, 07:36 PM
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From what I have read the psi is similar/the same.
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post #12 of 14 Old 02-18-2018, 12:52 PM Thread Starter
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Quote:
Originally Posted by christensent View Post
Not sure exactly what dimension you're looking for, if other than these let me know and I can measure anything.

Cutting the 5.975" dimension down or removing the wing on the OD is trivial. Trimming the 5.095" dimension isn't easy and wouldn't exactly be described as trimming, that'd be sanding that diameter down and there's not much material there (for example, making it fit in a 5" hole would not be a good plan).



that is perfect. thank you.

seems like its the same outter diameter as a TJ, just have to snip off the tab

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post #13 of 14 Old 02-18-2018, 12:53 PM Thread Starter
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Originally Posted by SelfsponsoredJK View Post
I have read that if you use a JK fuel pump in a TJ fuel tank the legs of the JK fuel pump need to be extended.
Motobilt told me that i will have to extend the pickup, no biggie...i think

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post #14 of 14 Old 02-18-2018, 06:56 PM
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Originally Posted by chknkatsu View Post
Motobilt told me that i will have to extend the pickup, no biggie...i think
It's easy if you buy Genright's $50 kit. It has everything you need to extend the JK pump. You could source the pieces cheaper except the extended rods which you'd have to get creative on. You do not have to extend the fuel line itself as it is long enough, only the wiring.
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