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Re: 12V Source for Electric Choke Hookup? [Re: RapidRobert] #1697665
11/15/14 03:57 PM
11/15/14 03:57 PM
Joined: Jan 2003
Posts: 25,877
Rio Linda, CA
John_Kunkel Offline
Too Many Posts
John_Kunkel  Offline
Too Many Posts

Joined: Jan 2003
Posts: 25,877
Rio Linda, CA
Quote:

yes there is no "choke pulloff" unless the piston inside there performs that function which is what I thought it did & that I was missing something cuz it came off too quick




The piston inside the choke housing does act as the pulloff and pulling off too quickly can be cured by simply turning the plastic outer housing toward the "RICH" direction (tightens the internal spring). The tighter the internal spring, the longer it takes the butterfly to fully open.

The loose fit of the pulloff piston in its bore also causes a slight vacuum leak which pulls fresh air into the choke housing to prevent overheating.


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Re: 12V Source for Electric Choke Hookup? [Re: John_Kunkel] #1697666
11/15/14 06:17 PM
11/15/14 06:17 PM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
R
RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
R

Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
John you are the man & when I get that 1406 on another running vehicle I will do just that. I will crank it rich(er) & find/solve why the piston ain't giving me the choke pulloff.


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Re: 12V Source for Electric Choke Hookup? [Re: 440newport] #1697667
11/15/14 07:59 PM
11/15/14 07:59 PM
Joined: Jan 2003
Posts: 2,179
Walton, Indiana
TimS Offline OP
top fuel
TimS  Offline OP
top fuel

Joined: Jan 2003
Posts: 2,179
Walton, Indiana
Quote:

Quote:


The blue wire on the voltage regulator is lots closer to the carb than the fuse box. The amp draw from the choke is minimal, won't affect the ignition operation.




When I tried this on my truck it would over charge slightly. From 14.5 to about 15.5v at fast idle at the battery. When I removed the wire from the choke the voltage came back down.




I didn't see a voltage increase. Mine stayed about the same.


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