Okay...

I found it.

F=Flint
O6I3=0613 (or June 13)
WE=1965 Truck 283, with a 2bbl carb 175hp, C-10 to 25.

Looks like to me that you've got a numbers matching powerplant. grin


~#~#~#~#~
1946 Chevrolet 3600 - "Old Number Seven"

Cavalry's Here. Cavalry's a frightened guy with a rock, but it's here.