Washers, yay or nay, on stock head studs

[ford38v8]

Originally Posted by 47topless

Should I use hardened washers, with the stock nuts and studs, when installing the stock iron heads on a 59 AB? Was there a reason that washers were not used originally on these engines?
In my practical mind, it seems like washers would greatly assist in maintaining the torque value, on these nuts, as the engine is run and warmed up.

Washers only on aluminum heads.