Using SeaFoam

I blasted my ol' 273 with Sea Foam when I first got it. Warm the engine up to operating temp. Jack the idle or block the throttle to about 2,000-2500 rpm
and trickle a can down the carb. (pour slowly enough so that a can lasts a couple minutes). When the can is about 3/4 gone pour the whole thing down the carb which should stall the engine. Let it soak for about a half an hour while you drain the oil. (change the filter if it's time) Start it up and go for a drive at and romp on it to clean it out. There is usually lots of carbon that fogs out of the exhaust. I then pour another can in the gas tank to continue the cleaning. toolmanmike