Incorrect timing on pulley of 53' Mercury

[19Fordy]

Originally Posted by Merc Cruzer

Let me just throw this out for discussion. The pulley was changed, from a two belt to a three belt, when I added an original power steering unit to the car. The unit came off a 53' Ford. I know this because the bracket that mounts on the drivers side frame is different for a Ford to a Mercury, and the unit came with a Ford bracket. Would the pulley be different from a Ford to a Mercury, since the cranks and stroke are different, would that have changed the timing mark on the pulley?

The power steering pulley for a 53' Mercury is part number EAC 6312-A. I don't have Ford book to check. I am not sure what number is on the pulley on the car.

Are the Ford and Merc pulleys the same diameter? That would make a difference.