Need advice 360 timing chain cam/crank slightly off

fishmens67 said
I read as, the op bought an assembled engine and upon inspection found timing where it's at.
after calling the builder, they stated to leave it where it's at.:realcrazy:

Looks like the engine builder tried to advance the cam 4° by jumping the cam gear a couple of teeth.

Little does the engine builder know that any advance has been ground into that performance cam already and it should be installed dots at 12 O'clock.