Keith,
Yes, all 216/235/261 USA engines are stamped in the same place. A factory replacement engine might not have a serial number; and, a swapped engine might have had the serial number ground off and possibly re-stamped.
Engine ID 030I343F55Y
1955 passenger car
235 with RPO 313 (Powerglide) assembled in Flint, MI - it would have had hydraulic lifters
VIN H55N004775
1955-1st 3100 made in Norwood, CT If you have an old registration certificate or an old title, there would have been a vehicle ID on it/them?
