88 4.2 won't run - Page 4 - JeepForum.com

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post #46 of 94 Old 06-10-2013, 07:39 PM Thread Starter
Tyler980
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1988 YJ Wrangler 
 
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I have adjusted that, sorry, brain fart. Haha. If I had the cash I would get a new carb in a heart beat... I'm just trying to make this work till I can... But I always have it running and everything perfectly fine, with the sputtering however... then next day comes and its hard to get it to even start.

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post #47 of 94 Old 06-10-2013, 11:50 PM
JeepingJustin
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I wonder if you dont have a bad vacuum leak.
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post #48 of 94 Old 06-11-2013, 05:37 AM
superj
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you said you have a pressure regulator set at 3.5? do you need that on the stock carb? might be low pressure?

I don't feel like working on anything at this time so i sold my yj.
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post #49 of 94 Old 06-11-2013, 08:45 AM Thread Starter
Tyler980
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Don't know what the pressure runs out, don't know how to even check it. Haha
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post #50 of 94 Old 06-11-2013, 11:08 AM
superj
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k, must have been another carb thread, ha ha ha

I don't feel like working on anything at this time so i sold my yj.
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post #51 of 94 Old 06-11-2013, 12:58 PM
JeepingJustin
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Quote:
Originally Posted by Tyler980 View Post
Don't know what the pressure runs out, don't know how to even check it. Haha
Ya you dont need it for a stock carb.
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post #52 of 94 Old 06-11-2013, 03:18 PM Thread Starter
Tyler980
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Alright. So I readjusted spark plug gaps to .030. They were all aroun .040. But I'm still having the trouble I always have to get it started. The timing is set right. Idle is about 1k. But starting it always proves to be a big problem.
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post #53 of 94 Old 06-11-2013, 06:38 PM
superj
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Could just be that carb.

I don't feel like working on anything at this time so i sold my yj.
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post #54 of 94 Old 06-11-2013, 07:00 PM Thread Starter
Tyler980
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Think I'm just gonna get a carb from the junkyard... I hear Motocraft 2100 or 2150's work great?
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post #55 of 94 Old 06-11-2013, 07:34 PM
superj
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That's what they say. I had better luck with a Holley two barrel from a late 60s dodge v8 but lots of people like the motorcraft. It is a darn goodcarb

I don't feel like working on anything at this time so i sold my yj.
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post #56 of 94 Old 06-11-2013, 08:15 PM Thread Starter
Tyler980
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I hear you just need a mr gasket and it bolts right in?
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post #57 of 94 Old 06-11-2013, 11:22 PM
JeepingJustin
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Quote:
Originally Posted by Tyler980 View Post
I hear you just need a mr gasket and it bolts right in?
Yup just an adapter. Just about any ford has them, you'll want the non smog version which is the 2100. But either one will work. Also go an find the 1.08 venturi carb.
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post #58 of 94 Old 06-12-2013, 09:47 AM Thread Starter
Tyler980
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Now is the 1.08 venturi carb a whole carburetor? Or something to go with the 2100?
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post #59 of 94 Old 06-12-2013, 11:17 AM
superj
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its like a model of the motorcraft. on the side of the bowl it will say the venturi size, 1.08, 1.21 or a whole host of other sizes

I don't feel like working on anything at this time so i sold my yj.
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post #60 of 94 Old 06-12-2013, 08:19 PM Thread Starter
Tyler980
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So I want a motorcraft 2100 with 1.08?
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