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Old December 27th, 2007, 01:25 PM   #1
Rocky
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ARB Bulkhead fitting question

Any reason why I couldn't use the factory D30 vent hole as the bulkhead fitting for the ARB? I would retap it to 1/4 pipe and use the fitting below to connect everything. The air line is only 3MM and the ID of the fitting is 9mm. Should be enough to vent. I don't have the room on top of the diff to drill the hole unless I clear a spot of the truss I plan to add.

The red line in the pic would be the tube from the locker to the bulkhead fitting.
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Old December 27th, 2007, 02:33 PM   #2
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Then you wouldn't have a vent for the pig.
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Old December 27th, 2007, 03:48 PM   #3
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Quote:
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Then you wouldn't have a vent for the pig.
Why wouldn't it? The hose barb in the picutre is the vent.

Last edited by Rocky; December 27th, 2007 at 04:26 PM.
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Old December 27th, 2007, 04:33 PM   #4
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looks fine to me. just a little bit long though
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Old December 27th, 2007, 04:39 PM   #5
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Not to worried about the lenght, the gusset on the pig is under it.
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Old December 27th, 2007, 04:41 PM   #6
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Kind of like this
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Old December 27th, 2007, 05:23 PM   #7
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i don't see any reason y it wouldn't work. go for it.
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Old December 27th, 2007, 05:31 PM   #8
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Quote:
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Then you wouldn't have a vent for the pig.
Quote:
Originally Posted by Rocky View Post
Why wouldn't it? The hose barb in the picutre is the vent.
Oh, I see, didn't catch that before. Those are a real pain to install in a TJ/XJ D30, just no room or good spot for it.
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Old December 27th, 2007, 06:13 PM   #9
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Well I drilled it. The first pic you can see the small tube (ARb supply line) inside of the fitting. Looks like there should be enogh room to vent. I think I might run some vac line over the line to protect it againt rubbing on the brass fittings. I don't want it to rub a hole in the line with vibrations.

Second pic you can see how much it sticks out. I'll be running a SS line so it'll be a little more durable. If I some how break it off on a rock I'll have a bigger problem to worrie about. Since it would take out the oil pan to.
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