Originally Posted by CASO
Those aren't it... Right side of engine behind dizzy on the flat pad.
'Indented' not 'raised' sequence of digits.

I beg to differ. The pictures do show casting numbers. Casting numbers are cast into the block. Engine serial numbers are stamped on.

"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.