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A wolf in Jeeps clothing - Goatbuilt 1200 LJ/TJ Chassis build

Wisconsinite said:
AND registered as a motorhome.
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This is the best part being in WI! $15/year. 🎉 After you told me about this monster a couple of years ago I was actually inspired to get a hauler with living quarters myself.
 
Wisconsinite said:
Did you get one?
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I did!!

I don't want to ruin your build thread with details about my trailer, so I set it as a spoiler below:

Stupid shortages keep delaying it so it's been on order since last year and under construction for a couple of months. But at least it seems that they aren't cutting corners with it.

The manufacture sends the worst progress pictures (original iPhone maybe? 🤣). But the gray one is mine!

20ft garage, 10ft LQ + 8ft GN.

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It should like something like this once it's done:

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By the numbers I should be 100% legal to tow it with my SRW F350 but if I have to go F450 I will.

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Welllllll, so much for deadlines...haha.

The fuel system is finally finished, and took longer than expected. I am running 1/4" SS hardline for the fuel tank vent, 4 sides and down to a little filter. 3/8 PTFE lines for the feed/return lines, and 3/8" SS hardline to the engine. I found this GM LS fuel pressure regulator set up with -6 male AN fittings, a pretty slick little part. There isn't a lot of room above the tank to fit the vent lines and fuel lines without interfering with the fuel tank cover panel.


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While I had the axle out, I fit some tie down tabs. This is going to make life easier.

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I was planning on running the rear brake lines up the truss to where the upper links mount, follow the upper links to the chassis, and then connect to the cutting brake. I debated on routing, clamp placement, and had a solid game plan. Then a buddy stopped by and had the idea to run them on the trailing arm. I never thought that would be an option, but sure enough.....


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I have two more panels to finish in the rear wheel wells, mount some rock lights, and then the axle can go back under. Then I will finish the brake lines.
 
SLOWPOKE693 said:
I didn't realize you were using a stock tank, I really like that idea and the packaging and access to the top of the tank is slick. :smokin:
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Yup, factory TJ tank with a modified sending unit. I have a regulator delete kit, Walboro 255 pump, and the return routed back to the sending unit. Had I built out 115" WB kit, I would have used a Goatbuilt fuel cell kit.

The decision to use the factory tank was based on wanting to be able to use this as a "this is how I did it" when a customer wants to know how it goes.

Plus, I don't want anyone telling me my rig isn't a Jeep. It has a factory windshield and fuel tank......:lmao:
 
That fuel pressure reg with integrated AN6 fittings is a china part with not the best reputation.
I had pressure issues with it.

Wix 33737 with the AN6 adapter fittings solved it all.

I like the brake lines, they're cool.
 
Bebop said:
That fuel pressure reg with integrated AN6 fittings is a china part with not the best reputation.
I had pressure issues with it.

Wix 33737 with the AN6 adapter fittings solved it all.

I like the brake lines, they're cool.
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I have a set-up to accept that filter/regulator as a back up. This part eliminated three adapters, time will tell.
 
Bebop said:
That fuel pressure reg with integrated AN6 fittings is a china part with not the best reputation.
I had pressure issues with it.

Wix 33737 with the AN6 adapter fittings solved it all.

I like the brake lines, they're cool.
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Do you know how the -6 ends are attached to the fuel filter? It looks like they are brazed on? Wonder if I could attach my own ends to a 33737 filter.
 
Wisconsinite said:
Do you know how the -6 ends are attached to the fuel filter? It looks like they are brazed on? Wonder if I could attach my own ends to a 33737 filter.
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I have used the OEM's too and hate the adapters but really aren't we just getting out of buying the correct regulator and a inline filter?

While brazing/welding fittings would work if the filter media is paper I don't see how the integrity of the filter/regulator will be damaged from the heat.
 
I had starting and drivability issues using a Chinese filter/regulator like that on an LJ build I did. I swapped to an AC Delco filter with adapters and the problem was resolved.
 
CarterKraft said:
I have used the OEM's too and hate the adapters but really aren't we just getting out of buying the correct regulator and a inline filter?

While brazing/welding fittings would work if the filter media is paper I don't see how the integrity of the filter/regulator will be damaged from the heat.
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Another thing I just remembered and it's more important for a offroad rig IMO is that on my dads suburban (hot rod cruiser) was worried about finding this corvette filter/regulator locally in BFE Oklahoma chasing car shows, that will be even more critical with a custom -6 modified unit.
I think I would much prefer a filter I could possibly wash/blow out and a regulator that could be "serviced".
 
SLOWPOKE693 said:
I had starting and drivability issues using a Chinese filter/regulator like that on an LJ build I did. I swapped to an AC Delco filter with adapters and the problem was resolved.
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Do you know what the issue was? Fuel pressure too high or too low? Lack of flow? Just curious. I have a temp / pressure sensor inline that I will be able to monitor.

CarterKraft said:
Another thing I just remembered and it's more important for a offroad rig IMO is that on my dads suburban (hot rod cruiser) was worried about finding this corvette filter/regulator locally in BFE Oklahoma chasing car shows, that will be even more critical with a custom -6 modified unit.
I think I would much prefer a filter I could possibly wash/blow out and a regulator that could be "serviced".
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I will have one in my spare parts box. I used to be kinda worried about stuff like that and being able to source an off the shelf solution, but at this stage in the game pretty much everything is a custom part, and off the shelf replacement parts are going to be very limited.
 
I didn't realize the Corvette filter/reg was a problem child. There's tens of thousands of those things on peoples rides.
 
gt1guy said:
So the little filter hangs below the the fuel tank skid? And is ridged mounted? Seems like that could be peeled off real easy.
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Yeah, it hangs down below the skid plate, it is currently zip tied on to a -4 bulkhead fitting. The filter is near the axle housing, so in my head it would be kinda difficult to have it ripped off. Not saying it won't happen, it will just be a bridge to cross down the line. Thanks for your concern:beer:
 
gt1guy said:
I didn't realize the Corvette filter/reg was a problem child. There's tens of thousands of those things on peoples rides.
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The name brand ones don't seem to be at all but the Chinese ones with the AN fittings are hit and miss on quality.

Wisconsinite said:
Do you know what the issue was? Fuel pressure too high or too low? Lack of flow? Just curious. I have a temp / pressure sensor inline that I will be able to monitor.
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Low fuel pressure that caused a check engine light and lean codes. Swapped filters with a good one and the problem went away.
 
SLOWPOKE693 said:
The name brand ones don't seem to be at all but the Chinese ones with the AN fittings are hit and miss on quality.


Low fuel pressure that caused a check engine light and lean codes. Swapped filters with a good one and the problem went away.
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Good to know. I will see how this one works, I have a spare of the same style, as well as a wix 33737 with the adapters. I should be covered in case I have a dud.
 
Wisconsinite said:
Do you know how the -6 ends are attached to the fuel filter? It looks like they are brazed on? Wonder if I could attach my own ends to a 33737 filter.
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I think they are brazed.

I just don't know why you'd do that.

Adapters work fine and let you get a spare at the local parts store if you're in a bind.

Wisconsinite said:
Do you know what the issue was? Fuel pressure too high or too low? Lack of flow? Just curious. I have a temp / pressure sensor inline that I will be able to monitor.
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Erratic fuel pressure. Bouncing around.
Basically the regulator sucked ass.

gt1guy said:
I didn't realize the Corvette filter/reg was a problem child. There's tens of thousands of those things on peoples rides.
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It's not a problem child if you have a good part.
The shitty chinese copies are.
 
Now I am second guessing myself in regards to the filter. I knew the WIX 33737 filter + adapters would be longer, and that it would get me off the trail. But now I am wondering if I should design the system with that filter in mind.

Here is the 33737 filter with adapters. I could probably shorten the 3/8" hardline and reflare it.

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While I was digging out the fittings for the Wix filter, I noticed I my fuel shut off was still in the fuel parts bin. I was going to add a fuel shut off valve, but totally spaced it. Is there a reason to add it now?
 
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