ok guys so i was cleaning up my engine i had the truck running making sure everything is ok no weird noises or nothing and when i went to look at the distributor i noticed the cap moves like as the rotor spines it makes the cap move side to side and up an down is that normal or is there something that is causing it to move please help guys im new to the y-block and wanna learn everything possible all my life iv always owned old trucks n old cars but iv always had straight six motors 202's 240's and 300's so im kinda getting the hang of it but there is still alot of new things for me thanx guys for any help

FORD IS LIFE OIL N GAS IS MY BLOOD