Weber Holley or Motocraft? - JeepForum.com

 
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post #1 of 5 Old 11-22-2007, 05:00 PM Thread Starter
b.d.d.
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1983 CJ8 
 
Join Date: Oct 2007
Location: Indiana
Posts: 145
Weber Holley or Motocraft?

This Carter BBD on my 83 Jeep has to go. It won't idle worth a crap when it's below 60 deg and it doesn't like to run smooth unless I am at 1500+ RPM. I've cleaned it and rebuilt it, which helped some. I have yet to do the electronic bypass in the back. I guess I could give that a try, but I'm thinking I might as well upgrade.

Are the Weber carbs of today better than the Webers of years past? I'm looking at one of the 390 cfm's new but I can't convince myself that they are what the advertisements say - bolt on and go, trouble/maintenance free. For $380, I expect that and then some. For 25% of the cost, I could bolt one of the Holley 500's on which are basically a 780 cut in half. Then again, I could get one of the Motorcraft carbs that are a dime a dozen.

I'm new to the I6 game. You guys are the experts. What are your thoughts?


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post #2 of 5 Old 11-22-2007, 07:16 PM
GPER
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1979 CJ7 
 
Join Date: Oct 2005
Location: Dayton, Ohio
Posts: 1,826
I put the Motorcraft 2150 1.08 on my 258 for about 100 bucks, 75 buck was for the new air cleaner.
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post #3 of 5 Old 11-22-2007, 07:18 PM
TUPPERCJ7
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1986 CJ7 
 
Join Date: Dec 2004
Posts: 149
So far i have about 150 into a junkyard tbi setup. its nice to have the advantage of FI.
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post #4 of 5 Old 11-22-2007, 07:53 PM Thread Starter
b.d.d.
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1983 CJ8 
 
Join Date: Oct 2007
Location: Indiana
Posts: 145
What did you get the fuel injection parts off of?

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post #5 of 5 Old 11-23-2007, 01:56 PM
TUPPERCJ7
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1986 CJ7 
 
Join Date: Dec 2004
Posts: 149
I kinda mixmatched things, but they are all the same in one way or another. 1988-1991 gm tbi system. Throttle body off of a 4.3 GM V6 astro van, same for the computer, and a wiring harness for that era too( I pulled one from a full size pickup and it worked good.) Just have to get good at soldering, and have an adapter plate made at a machine shop. Take a look at the writeup at www.bustedjeep.com
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