hello everybody does anybody know without looking at the old flexplate what balance flexplate would be used for a 1969 mercury cougar with a 351w and c4 transmission either it is a 157 tooth and i have 3 options 0 balance 28 balance and 50 balance... i mean why the heck did they try to confuse us like this... the old one was replaced some time ago but i want to make sure that i put the correct one on there ...i was not aware at the time that there were these differences