[Oldsguy]

From a reference book I have:

Standard equipment included: front and rear armrests, power front disc brakes, cigarette lighter, capeting, inside hood release, lamp package, seat belt with shoulder harnesses, power steering and chrome hubcaps. 4 door hardtop 4335 pounds, 4 door sedan 4308 pounds. standard engine 455 with 4.125 bore 4.250 stroke, 8.5:1 cr, 280 bhp @ 4400 rpm. five main bearings, hydraulic valve lifters, rochester 2GC carb. Wheelbase 124 inches, overall length 220.2 inches, front tread 64.1 inches, rear tread 64 inches. Historical notes: On full-size Olds, 72.9% had vinyl roofs; 81.3% had a/c; 8.7% had speacial automatic a/c; 1.6% had styled wheels and 2.1% had dual exhaust.

Lots of options too many to list here. If your Delta has a 4bbl carb then apparently it has been added after the factory. My '69 Delta had the same engine. Good luck with it and have fun.