Timing/Power/MPG

Get a coat hanger and straighten it out. Put it in #1 spark plug hole and turn the eng over manually(Key off) until the piston has push the rod or hanger out of the spark plug hole as much as it can. look at you timing mark.

This method could show it being off several * and really its not!.......But if its something like 10* off! Replace you Harmonic Balancer.