Where can I find a selection of choke coil springs? - Hot Rod Forum : Hotrodders Bulletin Board
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Old 07-21-2009, 07:22 PM
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Where can I find a selection of choke coil springs?

I have the original housing and choke lever for a 1970 Ford Ranchero with a quadrajet carburetor, 429CJ engine. However, last summer the coil spring stopped expanding and I have now lost it (so no longer know its width and how many coils the original spring had in it). Last winter I experimented with a Chevy big-block choke coil sold by Summitt. I stripped the coil from the Chevy mount and mounted it into my Ford housing. It worked somewhat, but was really too meaty for my application- it fully opened too late, and took too long to fully cool. I also tried a Ford choke coil from a 289. It is a little too skinny- it heats up a little too fast and may not have enough coils to both fully open and fully close the choke on moderate temp days.

I know I can just get a manual choke kit and be done with it, but like Goldilocs and the 3 Bears, I feel like I have tried one coil too big, one too small, and suspect there is one just right if I can find the right coil (I do not care about the housing it may be in). I know I have to do some fabricating, but just need the right width coil spring with XXX coils total in the spring.

Any advice, please let me know.
Thank you.

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Old 07-21-2009, 11:59 PM
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I've never seen a Ford engine with a Chevy carb on it from the factory? Are you sure you don't have an Autolite carb on there?

This is what they look like;
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Old 07-22-2009, 12:11 AM
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Quote:
Originally Posted by 4 Jaw Chuck
I've never seen a Ford engine with a Chevy carb on it from the factory?
Ford used the Q-Jet in '70 and '71 on the 429 CJ.

The one shown is for a 4-speed car.
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