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Little throttle...dead engine!

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Old Apr 4, 2003 | 02:06 AM
  #1  
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69slow
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From: Central Coast, Cali
Unhappy Little throttle...dead engine!

Ok,

I am using a Carter 4 brrl on a 390 in my 69 f100. It Idles fine, starts ok, and is probably still in need of a little tuning, but when I give that little first little touch of fuel, it sputters and almost dies unless I feather the pedal. I am getting prety good at keeping it running, but would like to fix it now.

I am using a new open type spacer on my 4 barrel intake which has split sections that look like an oval and a kidney(like 08).

I do not know if the problem is the:

spacer
gaskets
accel pump on carb

Anyone else dealt with this type of problem before?
A new carb might be the answer since the one I have has been modified (secondary weight was shaved to open faster).
 
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Old Apr 5, 2003 | 01:18 AM
  #2  
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Superdave
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From: Indiana
Little throttle...dead engine!

69slow

With out knowing any history of your situation, it sounds like it could be an accelerator pump problem.
 
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Old Apr 10, 2003 | 12:25 AM
  #3  
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big_daddy_velvet
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From: 5600 feet high
Little throttle...dead engine!

I just rebuilt my 2bbl that was doing the exact same thing. The Accelerator pump was shot; the metal piece in the center was taco'd and the diaphragm was tearing. Tossed a new one on and it revs just fine. I also found that my needle was not attached to the float...maybe check that out also...
I did have to adjust my mixture also...you may be running a little lean like I was. Does it backfire out the carb when you really nail it?
Good luck
BDv
 
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