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Old 10-15-2009, 01:23 PM   #1
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carb rebuild

Im rebuilding my 89 yj stock carb, does anyone have a step by step to fallow with diograms

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Old 10-16-2009, 01:25 AM   #2
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Your rebuild kit should have come with directions. 4.2? If it is a 4.2 I will look for the directions from my kit. Let us know.

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Old 10-16-2009, 01:57 AM   #3
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Ooh, post some progress pics, I've got an '89 and i want to rebuild my carb too, probably not till spring though
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Old 10-16-2009, 05:59 AM   #4
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Sorry to tell you, but that carter BBD is not worth the effort.

MC2100 from a junkyard is the way to go. Gather as much info as you can by googling it & bookmarking the best links.

If you decide to do this & have questions, ask them in this thread.

I will try to answer them if I can.
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Old 10-16-2009, 07:45 PM   #5
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I have a 89 yj also, with a carter carb. it`s a pice of junk. I have a Quadratec catalog been looking at buying a webber. I know nothing about carburetors.I am all ears on any info.
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Old 10-16-2009, 11:54 PM   #6
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Definatly would like to go to the Webber..... Oh ya I live in California! Too many buttholes!! The way I see it as long as it passes smog why can't I have an after market carb
So yah if you don't have to worry about emission inspections then change it. As for me I have 2 carbs and when boogers up I swap it and build the other.
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Old 10-17-2009, 12:45 AM   #7
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Loosen the four mounting bolts. Grab it firmly and remove it from the manifold. Open the lid to the trash can and slam it. Then install a webber.
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Old 10-17-2009, 04:59 AM   #8
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How much do those Weber's cost again?

My MC2100 was installed & working great, for about $100.00 including everything!
If you were gonna do a rebuild, why not rebuild the easiest carb ever?
These things are $25.00 from the junkyard. The rebuild kit is $15.00 The adapter (Mr.Gasket #1937) is $20.00 & the 10" Edelbrock air cleaner is $20.00

My math leaves $20.00 for tax & other little doo-dads like new throttle return springs. (Always use two, in case one breaks!)
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Old 10-26-2009, 09:45 AM   #9
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I'm pretty new to the whole Jeep thing, but I rebuilt my Carter BBD over the weekend and I really don't see what most people complain about. Taking a small bit and drilling out the venturi tubes was the best move I ever made, runs great
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Old 10-26-2009, 07:06 PM   #10
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I'm with Buckshot on this the hardest part of the MC2100 change over was the throttle bracket fabrication!!!
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Old 10-26-2009, 07:32 PM   #11
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There is a guy on E-bay that sells a complete MC2100 & MC2150 carb kit all for under $300. He also has excellent tech support. Those computer feedback BBD carbs suck. They are only good as paperweights Weber carbs are over-priced & sometimes touchy. If got friends that are constantly adjusting them to keep them running.
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Old 10-31-2009, 03:55 PM   #12
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I believe my carb is a 1986 version on the six cylinder motor. I haven't taken it off but does anyone have an opinion as if it is worth rebuilding ? The kit is only 14 bucks. I was looking for a f-15 carb but haven't located one in operating condition as of yet.

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