I have a 347 with 185 AFR heads stud mount, I don't know the size of the cam , well here is the problem the rocker arms keep coming lose and falling off,I know how to adjust the valves but after the adjustment you can hear the valvetrain, Im using stock size hardend pushrods, I have bent both pushrods in the #1 cylinder, Well do I need longer pushrods, well the reason I don't know what the cam is that I had friend build the engine and he said he had a Nitrous/ Supercharged cam that a friend was selling, so he put it in. i CAN'T GET REACH THE LOOSER KNOW, Help!!!!