casting numbers

[swamp ratt]

does anyone know where the casting numbers are stamped on a
small block crank

 

[ZonkRat]

Tried to reg. with same handle.wound up with combo of C B handle{Zonker} and old truck name{72 K5,402,465,205,35 Gumbos,no lift,called the Swamp Rat}.You beat me by bout 2 weeks. /forums/images/graemlins/grin.gif /forums/images/graemlins/grin.gif /forums/images/graemlins/crazy.gif /forums/images/graemlins/truck.gif /forums/images/graemlins/thumb.gif

 

[Blazer1970]

They are cast (not stamped) on to the side of one of the counterweights.