Was a Brad Penn fan until they changed the formula now I only use Joe Gibbs racing oil. They have a nice formula for break in that you can leave in for a few hundred miles to insure a good break in. Then you can replace it with their Hot Rod oil designed for flat tappet cams.

Gus beer

64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60