Timing issues, Bosch magneto/ laurel cylinder head

[RalphM]

Originally Posted by Oldtmtech

You didn’t state if this magneto had run on this engine before but they do come in clockwise or counterclockwise rotation there should be a rotation arrow stamped on the outside

Last ran on this engine in the 1920’s
But when my friend got it it was a box of parts.
I can’t load any pictures of it But if you Google Bobby Sheldon’s race car you will find an original picture from 1917.