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Unread 07-01-2010, 02:28 PM   #1
schlik
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Distributor to ignition rail swap?

Iíve been out of the jeep game for a few months, and Iím looking to get back in (withdrawal sucks!). Iím pretty dead set on another tj, but most of the ones in my price range have are older and have the distributor set up. Iíve personally seen a distributor take on mud and water and die. My question is is it possible to convert the distributor set up to a rail set up? And how hard is it?

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Unread 07-01-2010, 02:41 PM   #2
Wheelin98TJ
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I think it would be a bit of a PITA, though I have never done or tried this.

You would need a different PCM and wiring harness at the minimum.
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Unread 07-01-2010, 02:48 PM   #3
mdm
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There are bosses cast/machined on the newer heads for the bolts that hold the coil rail down.

I've seen a coil rail TJ take on water and hydro lock. Possible solution? Stay out of deep water/mud? If you are doing something that can drown a distributor, you're doing something that can feed water down the intake.
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Unread 07-01-2010, 03:36 PM   #4
DevilDogDoc
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Its funny that Jeep didnt think of that when the set that distributor so low, I had and old pathfinder that had it on top of the engine and it came with a nifty rubber cover on it from the factory that snapped together at the bottom, if I could get one like that for the TJ I would buy one in a minute for the peace of mind.
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Unread 07-02-2010, 12:24 AM   #5
schlik
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hmmm i guess I'll just have to be carefull, Thanks guys
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Unread 07-02-2010, 10:09 AM   #6
hatfield44
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A little RTV on the cap and mating surface can help.
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Unread 07-02-2010, 10:24 AM   #7
Jerry Bransford
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Or just apply dielectric grease around the seating edge of an unworn distributor cap where it seats. Worn distributor caps that let water and especially mud inside in are really less of a design problem and more of a lack of maintenance issue. It would be darned hard for mud or water to get underneath a properly fitting distributor cap in normal conditions.
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rail swap , ignition , distributor , tj , wrangler
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