Rethreading Spark Plug Holes

by 1986chevyman on Dec 05 2018, 3:13 PM

Elite Tech

Whenever I need to rethread spark plug holes, I take my shop vac and hook up the hose to the blow side.  Then I hook the hose to the exhaust pipe and rotate the engine so the exhaust valve is open.  So know it will blow the chips out of the engine when rethreading the spark plug hole

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