Thanks for the input, Bob.
What's really throwing me is the "N" prefix.
According to the service manuals in my collection, the Starfire engines in '61-2 had a "G" prefix & an "S" suffix.
Skyrocket engines as found in the Super 88 & Ninety Eight had only the "G" prefix.
88 engines for these years had an "F" prefix, while the low-compression, green version also had an "L" suffix.
Furthermore, 1962 engine numbers began at 300001. The number on this particular engine is too low for 1962, yet the "N" prefix doesn't fit with any 1959-61 394 that's documented in the service manuals.
Chuck
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This IS your father's Oldsmobile!