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PostPosted: Tue Sep 21, 2010 11:00 pm 
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3 Deuce Weber

Joined: Tue Nov 10, 2009 11:01 am
Posts: 52
Car Model:
idles fine, but when I hit the gas it chokes, bogs and stalls unless I floor it but then it is slow. Was running fine until I didnt drive it a couple of weeks ago. Im gonna pickup a new fuel filter, any other suggestions? I've seen similar issues where it was the fuel pump but it seems like something is clogged.

74 dodge D100, 1bbl, 225 /6


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PostPosted: Wed Sep 22, 2010 6:20 am 
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EFI Slant 6
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Joined: Tue Mar 16, 2010 8:41 pm
Posts: 265
Location: Houston
Car Model:
It could be a bad accelerator pump.

How long has it been since the carburetor was rebuilt?

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1954 Ford, Tudor Mainline
1976 Plymouth Valiant, 4 door

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PostPosted: Wed Sep 22, 2010 11:39 am 
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3 Deuce Weber

Joined: Tue Nov 10, 2009 11:01 am
Posts: 52
Car Model:
Not sure when/if its been rebuilt, I've had it just over 2 years. was running and idling fine until recently.


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PostPosted: Wed Sep 22, 2010 11:50 am 
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Supercharged
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Joined: Sun Nov 03, 2002 9:20 pm
Posts: 13270
Location: Fircrest, WA
Car Model: 76 D100
Could be the gas evaporated out of the carb causing the accelerator pump cup to shrink, leading to a loss of pumping ability.

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Casually looking for a Clifford hyperpak intake for cheap.


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PostPosted: Wed Sep 22, 2010 1:23 pm 
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EFI Slant 6
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Joined: Tue Mar 16, 2010 8:41 pm
Posts: 265
Location: Houston
Car Model:
Check for any vaccum leaks or loose/deteriorated hoses.

As for the carb...it's not terribly difficult to take it apart to the extent that you can check the condition of the accelerator pump, however a quicker, but less accurate check is the remove the air filter, and look down the throat of the carb as you manually work on the throttle. If you see a nice, steady stream of gas shooting into the carburetor, then chances are the accelerator pump is ok.

_________________
1954 Ford, Tudor Mainline
1976 Plymouth Valiant, 4 door

Image
www.automotive-ninja.com


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PostPosted: Fri Sep 24, 2010 9:10 am 
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3 Deuce Weber

Joined: Tue Nov 10, 2009 11:01 am
Posts: 52
Car Model:
The issue was a stuck choke plate. I started it and the same thing wouldnt idle, it would stall. Opened the air filter and made sure that the carb was squirting gas fine, I had to open the choke plate to check, once i started it again it was running fine.

Thank you all...Have a great weekend.


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