model 20-11 = Fleetleader Deluxe, 2 door sedan, 6 passenger
serial 2201117051 = 2 = Pontiac division, 2011 = model, 17051 is the sequential production number ( started at 00001 and went up )
engine W196329 = started at W175001 and went up
body s/n 1484 = ?
trim = 493 = interior colour and pattern
paint 254 = moss green
hope this helps
Welcome aboard.
We'd love to see pictures of your car.
'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.