[Jay S]

Every 9 way timing set from comp I have ever seen is designed so each key effects the cam timing by 2*.

-8*, -6*, -4*, -2*, 0*, 2*, 4*, 6*, 8*

I hope the cam was degreed in after the cam timing was changed. The 9 way timing sets are designed to changed the cam timing in 2* increments, irregardless of the crank turning twice as fast as the cam.

Sometimes harmonic balancers fail because something on the inside of the engine create’s an unusual stress on it. Could be having one piston in backwards contributed to the cracked hub.