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Old 08-20-2015, 04:36 PM
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Where to begin?

Hi all, I've started a build thread to document my jeep, but looking for some help in where I should start. More details on my build thread, but the quick rehash is I just brought my first jeep home, 88 wrangler Sahara, it's been sitting about 15 years after a couple fires, now I got a good deal on it so I'm trying to get it running again. My uncle suggested changing the carburetor because he said something is wrong with it that caused one of the fires, it's inline 6 so based on year I'm guessing it's the 4.2 ? Carb is probably stock, any ideas what the problems with them were that would cause fire and what a good replacement would be?

Second problem was an electrical fire, so they started ripping wires out to redo them... I'm thinking I might pick up a new ground cable and battery and just start trying to see what works and what doesn't... Any suggestions on how to jump in the middle of someone else's rewire project?

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Old 08-21-2015, 05:41 AM
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wow, 164 views and not a single response... you guys are such a friendly community!

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Old 08-21-2015, 07:05 AM   #3
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Well I guess I'll be "mister friendly". First off, sounds like yu bought a real project. I think your just going to have to start at the battery with a tester and work your way out. Starter, alternator, and work your way into the ecu, dash. Personally I woulda stayed far away from this nightmare but I am not into electrical much. GL!
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Old 08-21-2015, 01:37 PM
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I have a replacement harness already, it needs cleaned up a bit, but I'm hoping the wiring aspect of it will be as easy as marking all of the wire connection points as I disconnect the old then lay it on a table next to the new and move the same labels over to the new, then plug it back in. I've been told there is no possible way to plug things in wrong as all of the connectors in the jeep are unique and shouldn't be able to be plugged in where they don't belong, but there are a couple of wires that were cut / melted that I'll have to trace the hard way. As for actual fire damage it's not in too bad of shape, very little actual fire damage...
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Old 08-21-2015, 04:56 PM
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Reading about carb updates I've found a couple things that I'm wondering about, it sounds like the stock carb is junk, but I'm not sure if just doing the nutter update to bypass the ecm has an effect on correcting the stock carb, or is it a better idea to just replace the carb? I've never had to tune a carb before if that makes a difference... I found the mc 2150 carb guy on eBay that says he tunes it specific to the i6 258 engine and includes all of the pieces and parts needed for the conversion, so if it's recommended to just change it that is probably the route I would go...
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Old 08-21-2015, 04:57 PM
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Or maybe I need to get it running first to see how the carb acts before I can make that decision
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Old 08-21-2015, 05:48 PM   #7
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If the carb was the reason for one of the fires I would replace it, would hate to see your new wires go up in smoke,
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Old 08-21-2015, 08:04 PM   #8
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as you are going to rewire the engine compartment I'd get a HEI distributor and the mc carb. the hei has the cpu built into it, the wiring is just a switched hot wire and a tach wire. along with the mc carb you eliminate all the emissions and really simplify the engine compartment.
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Old 08-21-2015, 09:11 PM
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So reading on the 2100 vs 2150 it sounds like the 2150 requires the ignition upgrade but the 2100 doesn't? Or do you suggest still upgrading the distributor? Searching hei distributor they look pretty cheap, so can't hurt to replace it... I'm seeing 50k or 65k does that make a difference? Are there benefits to either of the carbs (more power, better fuel consumption, etc)?

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