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This happens to my small engines if I forget to drain the gasoline out of them or add Stabil. My guess is that when the engine was sitting, there was still fuel in the carb bowl. It has gummed and is clogging the carb. Spray a carb cleaner in the carb, especially in the bowl vent to try...

The engine has a healthy amount of blow by when you look into the valve covers right after running. Idle quality could improve. It has improved with use of seal sweller and gasoline detergents. One valve seal is could be bad because of oil smoke from one side on hot start-up I am going to...

I am going to be performing a compression test on a stock 1974 318. The specs say "100 psi, minimum." What should be the compression reading for a healthy 318??