I don't know how many degrees each mark is but according to Motors Truck Manual '54-'59 235s time on the ball and '60-'62 235s time on the first mark clockwise from the ball.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.