Quote:
Originally Posted by tpepmeie
How on earth are you going to prevent the debris from entering the cylinder and contaminating the engine? You are very brave to attempt this on the car. I can't recall anyone attempting such a thing.
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It's done allatime. Typically, a sheet is spread over the entire engine bay, as in a operating theater, except for the port being worked on. The bottom of the port is packed with various materials - sometimes lightly oiled as well - to keep the chips, etc. from getting inside the cylinder. The chips, etc are periodically vacuumed out as work progresses, and after a thorough final vacuuming, the material (plug) is pulled out (in the presence of more vacuum, is a common practice). No biggie.
P.