Re: "Carburetor Cough"
The only example I have left was made from a 1/8" thick micarta type of material. I found that a slightly thicker material worked better and I recommend 3/16". It is simply made to match a gasket being careful to match the interior of the carb / intake manifold throat. I first fly cut the large hole and then, using a good gasket as a template, drilled the bolt holes, and cut the outside dimension on a bandsaw. I dressed the outside edge on a belt sander. It will require slightly longer bolts. McMaster-Carr has a great web site and you can quickly find the material that is easy to work and will take high temperatures. I don't remember the part number. They ship generally same day and will take a credit card. The material is not expensive although you will get enough in a small sheet to supply the entire local club with the insulators.
You may find that there is an interference where the choke rod goes through the firewall once the insulator is installed. We just live with the rubbing. Gar Williams
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