How to Make a Homemade Mixer for a Hit-and-Miss Engine

Follow this 12-step procedure to make a homemade mixer for an antique hit-and-miss engine.

Homemade Mixer Valve 11
8. Use a cap screw about 1 inch long. Chuck in a drill and spin it against a file or grinder to form a needle. The point should be about 3/8 inch long.