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Author Topic: Carb rebuild success (with videos)  (Read 3894 times)

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Offline ammachine390

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Re: Where to find a good carb rebuild kit?
« Reply #15 on: July 17, 2012, 09:19:41 PM »
Working on putting it back together. I got the float level set, but when the baffle is put in, the float tab hits it and the float cannot drop all the way to the bottom. It will go up as far as it should, but not down. Is this supposed to happen? I wasn't sure. I bent the tap, so that the baffle doesn't interfere, and now the float can rest on the bottom of the bowl. Is this right?


Here's the tab.


And here's how it's bent to allow the float to be able to travel from the base to the set height. That right? Or should the float not be able to drop to the bottom?
Dan
1981 AMC Concord DL 258 Auto

Click for Villa_Park, IL Forecast" border="0" height="100" width="150

Offline carnuck

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Re: Where to find a good carb rebuild kit?
« Reply #16 on: July 18, 2012, 11:39:01 AM »
Dropping to the bottom when empty is fine. I hold the bent spring over the float pin (and make sure the ball bearing in the accel pump isn't loose) and turn the carb upside down to check the float level.
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Offline ammachine390

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Re: Where to find a good carb rebuild kit?
« Reply #17 on: July 18, 2012, 12:16:01 PM »
Thanks Carnuck. I figured it should go all the way to the bottom when empty, but I've never done a carb rebuild before and wanted to make sure. Really don't wanna have to tear it apart after getting all back together. And that sounds like a good way to check the float level.
Dan
1981 AMC Concord DL 258 Auto

Click for Villa_Park, IL Forecast" border="0" height="100" width="150

Offline ammachine390

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Re: Where to find a good carb rebuild kit?
« Reply #18 on: July 22, 2012, 06:46:07 PM »
Got it all back together, and back on the car on Friday. Got it all tuned yesterday and today, and its running great again. Just filled up my gas tank so I can track the mpg, hopefully it goes up a bit. I think it will because before the rebuild, the gaskets on the carb always looked a bit wet with gas, now they're sealed up good.

So thanks to everyone for all the tips and all the information. Eggs to everyone.
« Last Edit: July 26, 2012, 01:37:01 PM by ammachine390 »
Dan
1981 AMC Concord DL 258 Auto

Click for Villa_Park, IL Forecast" border="0" height="100" width="150

Offline ammachine390

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Carb rebuild success (with video)
« Reply #19 on: July 26, 2012, 01:29:46 PM »
Figured I'd put up a video of the car starting with the carb rebuilt.

Cold start (even though the ambient air temp was around 90 degrees):
http://www.youtube.com/watch?v=WeUU_45f2YY

Hot start:
http://www.youtube.com/watch?v=IF03LVx0kEM

Idles pretty good. Starts up quick. And that's with all the original emission stuff still attached and functioning. Just shows ya that a BBD can start and idle good.
Dan
1981 AMC Concord DL 258 Auto

Click for Villa_Park, IL Forecast" border="0" height="100" width="150

 

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