Reply to "Getting rid of carbon deposits"

garth66"When speed is the only thing that counts"

Many years ago I was looking at an engine in a wrecking yard to buy for another project, but compression was a little low in a couple of cylinders. The mechanic in the yard who was going to fire it up for me suggested that it was most likely carbon deposits keeping the valves from sealing properly.

He started the engine; then he took a Coke bottle filled with water, put his thumb over the opening, then shook it to dribble/spray water down the carb throat while revving the engine. The engine almost died a couple of times, but he kept revving it and dumping water down the carb until the bottle (18-20oz) was empty. I took another compression test and all cylinders were good. That proved to be a good engine for many years.

11/3/089:57 AM

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