Originally Posted by
coswurv
I agree with some of what you have put but the woodruff key does stop the pulley from moving/turning on the cam/crank, yes some new engines just use interrfearance fit but where the key is used it does stop movement.
Sorry but it does not, I have taken the woodruff keys out many a time to time cams in were non adjustable pulleys were not fit.
I remember back in the day when I was told the same, I didn't believe it either.
your choice.