Electric choke
Post Fiend
Joined: Apr 2002
Posts: 7,157
Likes: 1
From: Central Kali
Electric choke
Good info Mil1ion 
I run a Holley choke cap on a Motorcraft, also a Ford cap. Both are hooked to the stator. I wouldn't mind if they were both a little bit slower to open. They both open all the way. 
I run a Holley choke cap on a Motorcraft, also a Ford cap. Both are hooked to the stator. I wouldn't mind if they were both a little bit slower to open. They both open all the way.
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Electric choke
Go with the manufacturers recommendations. I think Ford used the stator circuit because it provided nearly full voltage after a start in order to heat the choke rapidly and less voltage later on to keep the electric element from burning out. I think most aftermarket units require a full "run" condition 12-14V. Ford units use the stator term. You might try to run the aftermarket units on the stator terminal. I am currently using "run" voltage on my Edelbrock. I will probably try the stator circuit later after my rebuild.
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Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
Electric choke
There's no way the stator can supply any more than 1/2 the charging voltage ever, it's the center tap.
Mike, is your cap on the index or did you back it off so it opens fully?
Barry
Mike, is your cap on the index or did you back it off so it opens fully?
Barry
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Post Fiend
Joined: Apr 2002
Posts: 7,157
Likes: 1
From: Central Kali
Electric choke
Hi Barry, I didn't pay any attention to the index. I just turned the cap until the butterfly was almost closed. It does open fully. I tried the Holley on a power supply before I put it on the truck. At 7 volts it took longer to open then at 12 volts. I figure it will last longer with the lower power dissapation. I think it was drawing about 1 amp.
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
Electric choke
Ok, I'll buy that. You can get some 12 volt electric-only chokes to work but it's a seat of the pants adjustment. The span and rate are different though, all I can say is try it and see.
BTW, the Ford electric choke is designed for the stator voltage and is only an assist, it's meant to work together with the old-fashoned choke tubes from the exhaust manifold.
Man were we down for awhile, I was starting to go through withdraw!
Barry
BTW, the Ford electric choke is designed for the stator voltage and is only an assist, it's meant to work together with the old-fashoned choke tubes from the exhaust manifold.
Man were we down for awhile, I was starting to go through withdraw!
Barry
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
Electric choke
Oh, back to the question, these year trucks have solenoids on the engine that you can tap 12 volts from like the throttle positioner and vacuum solenoid. At least the feed wire should still be there, it's solid blue I believe. Check with a voltmeter and see what's hot with the key in the "run" position only.
Barry
Barry
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