Carb swap, considering a Weber upgrade. - JeepForum.com

 
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post #1 of 6 Old 01-18-2009, 01:22 PM Thread Starter
all10cylinders
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1988 YJ Wrangler 
 
Join Date: Jan 2009
Location: Fort Lewis, Wa
Posts: 4
Carb swap, considering a Weber upgrade.

Ok so I am having the same trouble than like 99 % of yj owners have or have had. It wont idle, runs awesome other than that but at stop signs and redlights she dies. I have done some research myself but am looking for some other opinions. I have the Carter BBD carb on it now and all the research I have done has pointed me toward the upgrade. I have found that the Weber is a quality carb and it is a pretty good price. So any feedback is welcome and would be appreciated.


It's better to die on your feet than to live your life on you knees!
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post #2 of 6 Old 01-18-2009, 01:57 PM
ScottsYJ
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1988 YJ Wrangler 
 
Join Date: Oct 2008
Location: NW Michigan
Posts: 246
I put a MC2100 on mine and couldn't be happier. Also alot cheaper than a Weber.

Proud YJ owner since 10.25.2008.
Teamrush mod, MC2100 carb, Nuttered, BDS 2" Lift kit, BrandonYJ Shackles 1/2", AA SYE, Tom Woods DS,
31" Goodyear Duratracs, Magnaflow CAT, Flowmaster Delta 40 Muffler, Monstalined, MSD 6A Ignition
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post #3 of 6 Old 01-18-2009, 02:24 PM
aussiejeep
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2012 JK Wrangler 
 
Join Date: Jul 2008
Location: Columbus
Posts: 95
over christmas break i installed a Holley 2300 truck avenger 2 barrel carby, using mr. gasket #1937 adapter. couldn't be happier she comes off the line like a champ and will idle all day long if i let her. fuel mileage has also gone up to 18-19mpg over the 14mpg the carter was giving me. (31s on 3.07 gears)

i looked at the mc2100 first, but to buy it prof rebuilt was around $220, and the brand new holley (which has loads of aftermarket support) was $275 at JEGS. just my 2 cents

TeamRush, Nuttered, Holley 2300, heavy right foot, 2.5 Rancho lift, 2400watts of subs, xenon headlights, fogs
-"A fella can't know too much"
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post #4 of 6 Old 01-18-2009, 02:32 PM
tippmann243
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1990 YJ Wrangler 
 
Join Date: Dec 2005
Location: st louis
Posts: 472
ive got a webber on my jeep and im happy accept for the fuel milage. i went from 14-15 to about 10-12 but im working on that

but recently here in st louis MO we had record cold 2 nights in a row and when i left for work at 5:20am she fired right up both days.

89 blazer, L31/t56 28mpg.
blazer video, http://s29.photobucket.com/albums/c2...4091507-02.flv
1990 jeep, 4.2, 5speed.
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post #5 of 6 Old 01-18-2009, 04:06 PM
onlyinayj89
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1989 YJ Wrangler 
 
Join Date: Jun 2008
Posts: 392
The same thing was going on with mine, put the weber 34/34 in and runs perfect. Gas milage isnt to good, but its a jeep, what do you expect, ha.
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post #6 of 6 Old 01-18-2009, 04:54 PM
DanAepel
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1990 YJ Wrangler 
 
Join Date: Nov 2006
Location: Rochester Hills, Michigan
Posts: 10
Ditto on the Motorcraft 2100. Best mod I've made to date on my 4.2L. EZ install too. Search E-bay Motors for "Jeep 2100" and you'll find the guy in Colorado Springs. Included great documentation and answered all my questions.

'90 YJ, 4.2 L, Nutter Bypass, DuraSpark Upgrade, MC2100, no more emissions junk, K&N air filter, AX15, 4" Leaf Lift, 33" Tires, 7" Flares
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