thank you again good info. not only am I trying to learn as much as I can about this old girl also trying to tell physicaly 1/2 or 3/4 ton . po says its a 1/2 ton with extended wb from factory. serial plate says 3/4 po says he thinks been changed in past appericate any and all info how to tell 1/2 t from 3/4t 1937 chevy truck.