Welcome to the site. It appears your question is "Where do I find the engine casting number?" I'm moving your post to the Engine forum.

Pictures must be hosted elsewhere and linked to here.


"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.