Are you saying the cam timing is set off #4 or the ignition timing is?

He had a manual for the engine and used it to reset the timing so hopefully that's right.

I even looked in the manual before I tried to set the timing to see if it had a good picture of the timing marks but it didn't. I put the timing light on the spark plug wire closest to the front of the engine and started the engine and hit it with the light to see where the mark was, but there were no degree marks anywhere near that either. It really looks like the degree marks are just not there like they fell off or were forgotten during some job on the motor.