[theboogins]

When adjusting an electric choke, do you do it with the ignition on?

Thanks.

J. Boggs

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[Huskinhano]

Do it with the ignition off! Make sure everything is cool, as in overnight, just turn the choke just enough to bearly close the choke plate and no more. This should do it.

Tom
You can do anything you want to......ONCE!
aka "my 66 coupe"

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My Thundebird!

 

[theboogins]

I've done that but when I rotate the adjuster, the choke moves a little but never opens at all. What do you suggest?

Thanks.

J. Boggs


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[johnpro]

Not sure that I understand, but will try to help. The choke when cold should not open fully (but spinning the choke housing enough should make it open, but would render it useless). The current going to the choke spring (inside the housing) heats the spring, making it expand, then forcing the choke butterfly open.

It usually takes me a couple days to get an electric choke fully dialed in, as they're impossible to adjust once they get hot.

If you always do what you've always done,
You'll always get what you've always got
http://www.classic-mustang.net/johnpro
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[theboogins]

I thought that for it to be in proper adjustment, the butterfly was just slightly open when cold. When I adjust it, it never opens at all even when I turn all the way both ways. I thought the theory was that the choke allows more gas than air until it gets warmed up and then it opens to allow more air into the mix. It seems in my case that it is not allowing any air at all-which is why it won't start.

Guess I need to get out that manual huh?

J. Boggs


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[johnpro]

ok, now I get it. Yes, the butterfly must open slightly or it will suffocate the engine. Been a while since I worked on a Holley, but IIRC, the spring is supposed to fit into a slot inside the housing. If the spring isn't in that slot, rotating the housing does nothing.

You'll probably have to R&R the housing for at least an inspection of the spring and the lever it acts against. Hopefully someone with more recent Holley experience will pipe up here and correct me if I'm wrong.

If you always do what you've always done,
You'll always get what you've always got
http://www.classic-mustang.net/johnpro
http://www.classic-mustang.net/john66/mustang/pics/66fsides2.jpg

 

[theboogins]

OK, when it crank the wheel, it moves but doesn't open. On my Edlebrock, as I turn the wheel. the flap opens or closes. Maybe the spring is shot, huh?

Thanks.

J. Boggs


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[i967mustang]

Hi, just did mine this morning The spring has a loop wound in the end of it and it must fit over the arm coming out of the housingit is a real pita to see because it is short and you have to have the cover all most all the way on to engauge it. If the spring doesn't have a loop or is broken you will have to replace it but double check to make sure it is engaged before condemming it. John

Opal frost pearl metallic 67 coupe http://www.jps.net/binay/webdocs/febef75b01.JPG
also have a 95 opal frost pearl G/T BOSS edition convertible belongs to swmbo