I do not like the way GM wired the ground wire to the frame next to the battery, then from the frame to the engine block. Its one too many extra places for rust to occur.
I use a longer ground cable from the battery to the frame where the woven ground strap is which goes to engine.
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission