3. That's an original Vertex magneto with a near-impossible-to-find Bakelite cap. Since a magneto does not require an external power source, how do you shut the engine off?

A new Taylor/Vertex magneto fires the Flathead, bored, balanced, and blueprinted, and running Offenhauser aluminum heads. Bob Baxter at Baxter Ford Parts assembled the pair of 94s on an Offy ...

With the 429 in his Wisconsin shop, Perkins removed the Vertex magneto and replaced it with a Ford XE offset distributor, an N.O.S. Dominator carburetor, and an SK aluminum water pump.