Joe -

I enlarged the pic of your insulator. It looks like an original bakelite insulator, not a plastic reproduction. You might try mounting the carb and insulator with no gaskets and see if it seals OK. Don't lap it. Use it as is.

>> I may be talking out of my a**, so don't take my advice as gospel. I'm no expert. Others with more experience can give you better info.

I bought my insulator from a forum member. It was an original bakelite insulator, but it had a slightly soft coating on the surface. May have come from the factory that way, or it may be varnish from old fuel. Either way, it sealed the junctions to the carb and to the manifold.


- Lonnie
My '54 3104
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lonniecook [at] aol [dot] com. I sold my '54 3104 12/12/2017, but I still visit Stovebolt.

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