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Unread 06-07-2010, 11:40 AM   #1
li3dmyfac30ff
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Join Date: Jun 2010
Location: Belton, MO
Posts: 7
It's a Love/Hate relationship.

I currently have an '89 YJ. The drive train is stock (currently). I brought it home (a 100 mile journey). I was elated to be the owner of a "brand new to me" Jeep. The day I got it plated and inspected the battery completely crapped out as did the alternator. I replaced the alternator and battery and all was running smooth. The next day I drive it and it has some serious issues. At about 2000 to 2500 RPM in 2nd through 5th gear it sputters like it's being starved of fuel but only going uphill. This being a serious issue to me I go to my local AutoZone and buy the following :
Fuel Filter
Plugs and Plug Wires
Air Cleaner
Oil and Oil Filter
I complete this and the engine is still doing the same thing. So I make another trip to my local AutoZone and buy the following:
Cap and Rotor
Ignition Coil
Still same issues, next trip to AutoZone:
Fuel Pump
This solved my issues for a little while. Now she is back to the same old tricks again. It's not quite as bad as it was still driveable but has a terrible time going uphill unless I shift up.
At this point I am considering rebuilding the carburetor (until I can afford a better one than the stock Carter) and doing the "Nutter Bypass".
Is there something I missed and am I going to acheive the desired results of a smooth running Jeep after these "upgrades"?

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Sgt Orval D Roller III
USMC 2003-Present
89' YJ Laredo w/Scrambler Hard Half Top 4.2L I6 AX15
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Unread 06-17-2010, 09:29 AM   #2
li3dmyfac30ff
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Join Date: Jun 2010
Location: Belton, MO
Posts: 7
Thanks to "greyarea" a fellow JF member, I will be replacing my stock Carter carburetor with a Weber 34. While I have everything tore down is there anything I should do, other than removing the excess vacuum, Team Rush (future upgrade), Nutter Bypass, and removing the pulse air system and sealing off the tubes for that, that any other YJ owner's with the 4.2L I6 can recommend. I am open to anything as long as there is good justification behind it.
__________________
Sgt Orval D Roller III
USMC 2003-Present
89' YJ Laredo w/Scrambler Hard Half Top 4.2L I6 AX15
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Unread 06-17-2010, 09:47 AM   #3
monkeyhouse
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1997 ZJ 
 
Join Date: Sep 2009
Location: Cumberland, Maryland, Maryland
Posts: 3,157
Quote:
Originally Posted by li3dmyfac30ff View Post
Thanks to "greyarea" a fellow JF member, I will be replacing my stock Carter carburetor with a Weber 34. While I have everything tore down is there anything I should do, other than removing the excess vacuum, Team Rush (future upgrade), Nutter Bypass, and removing the pulse air system and sealing off the tubes for that, that any other YJ owner's with the 4.2L I6 can recommend. I am open to anything as long as there is good justification behind it.
Glad things are coming along for you. I did my nutter and checked my timing before I changed carbs, I think it's better to do it that way. I did my teamrush after I swapped carbs. Let us know how things are going, there are plenty of guys who have gone to weber, so you will have all the help you need along the way!
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First Jeep was an 1989 YJ, 6 cylinder 4.2L , 258. Nuttered and TeamRushed, Weber 38 DGES, Now, I'm venturing into the world of Grand Cherokees
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4.2 , carburetor , fuel , nutter , nutter help

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