I have the factory setup and I remove the tube before removing the valve cover. Running the engine with the valve cover off requires replacing the tube or plugging the vacuum port under the carb. The tube does not rest on the valve cover.

Last edited by Gord&Fran; 06/09/2023 4:27 PM.
Gord 🇨🇦
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1954 1/2 ton 235 4 speed