If you have a 1/2 drive impact and 110 PSI they are easy. If not, make a tool to hold the flywheel to a dowell or bell housing bolt. If the pan has to come off anyway, a hammer handle between a rod and the side will work well.
"Sort of remembered those flex plate bolts are
probably the highest torque bolts on the motor
i'm getting back into it. slowly"
That's why God invented rattle guns.
Regards