Nuttered YJ Success! Except.... - JeepForum.com
 
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post #1 of 11 Old 10-21-2007, 01:35 PM Thread Starter
smitkev2
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Nuttered YJ Success! Except....

Well everything went perfect with the '90 4.2. Test drove it and was AMAZED at the difference The jeep was pulling up hills that before it would just slowly loose power. With all this success something had to go wrong right!

Well my temperature guage quit working. Everything was working fine yesterday. Is it possible I knocked something loose? Anyone else have this problem or know a solution?

FYI- I put a new water pump & thermostat in about 4 months ago and no signs of overheating.

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post #2 of 11 Old 10-21-2007, 01:41 PM
jbolty
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Sender is at the back left corner of the head, behind the carb. Might have knocked it off, Think it's a purple wire.
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post #3 of 11 Old 10-21-2007, 01:55 PM Thread Starter
smitkev2
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Thanks for the reply, Works like a charm! Now I have NUTTER SUCCESS!!
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post #4 of 11 Old 10-21-2007, 03:56 PM
hdfxrs91
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Congrats. I, too, have successfully Nuttered mine yesterday. I had just rebuilt the engine and started it for the first time today. Once fuel reached the carb, I was able to set the timing. Runs like a champ, now.

Last edited by hdfxrs91; 10-21-2007 at 07:54 PM.
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post #5 of 11 Old 10-21-2007, 07:52 PM
mdwatts11
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How long does this take? I am thinking of doing this on my newly acquired YJ...

1979 CJ5-Frame up restoration-YJ 4.2L-EMPI Carb-Flowmaster 2 Chamber Custom Exhaust-Motorcraft ignition-4" Skyjacker w/ Nitro Shocks-Dropped pitman arm-Powder coated frame-Basically new everything.

1990 YJ 4.2L, New addition to my garage. 4" POS Lift, 2 inch body, Bulletproof MFG rear bumper 33" BFG MT, Nutter bypass, MC2100 Carb Upgrade.

Jeeps are money pits.
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post #6 of 11 Old 10-21-2007, 07:56 PM
hdfxrs91
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Quote:
Originally Posted by mdwatts11
How long does this take? I am thinking of doing this on my newly acquired YJ...
I spent more time hiding the wires in the original loom than the actual work. It did take a little more time finding and plugging all the vacuum ports... they're freakin' everywhere. The only vacuum lines I have left are the distributor, brake booster, and 4wd. And I'm still running the Carter.

Oh, to answer your question, about 3 hours. I work slow, but I make sure it's done right.
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post #7 of 11 Old 10-21-2007, 09:07 PM
captncst
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Can the nutter be done to the 1990 2.5l? I see info in the search for the 6cyl. but not the 2.5L.
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post #8 of 11 Old 10-21-2007, 09:28 PM
timatoe
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Quote:
Originally Posted by captncst
Can the nutter be done to the 1990 2.5l? I see info in the search for the 6cyl. but not the 2.5L.
No.

Ten char.

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Originally Posted by George Orwell
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post #9 of 11 Old 10-22-2007, 09:23 AM
giggityjeeper
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Quote:
Originally Posted by hdfxrs91
I spent more time hiding the wires in the original loom than the actual work. It did take a little more time finding and plugging all the vacuum ports... they're freakin' everywhere. The only vacuum lines I have left are the distributor, brake booster, and 4wd. And I'm still running the Carter.

Oh, to answer your question, about 3 hours. I work slow, but I make sure it's done right.
Did I miss something on mine....LOL took me about 20 minutes......I did not hide the wires but.......were you having some.....

Started with some rust repairs ended in a SOA...


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1990 YJ. SOA, OME 36R 3.5" lift springs, OME 5/8 greasable shackles, OTT high steer, Custom cage, team Rush, Posi, 33 TSL swampers
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post #10 of 11 Old 10-22-2007, 03:49 PM Thread Starter
smitkev2
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I have never done anything remotely similar to this. This took me 4 hours because I was VERY methodical in what I was doing, tracing wire 3 times to make sure, check this and the link in the first post 4 & 5 times before I cut a wire "just to make sure" I really didn't want to screw the pooch on this. I did it with 100% success, after I found I knocked off the Temp control, which (jbolty) helped me with.

The most time consuming and problematic part of the enitre process is getting the wires back in the loom. Which is the most mindless part, which is good!

I'll post some pictures on my process, I took pic of every step! I hope it will help someone like me who knew nothing of this process.

Seriously, ANYONE can do this! If I can do it... YOU can do it.
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post #11 of 11 Old 10-22-2007, 04:39 PM
camcrazy
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It took me 3-4 hours to replace my Carter Carb with MC2100 and do the nutter bypass.
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