Drivetrain:
390 V8 (one-year engine--last year for 390 displacement, first year for combo aluminum front cover).  Jetaway dual-coupling four-speed hydramatic.
Chassis:
GM-corporate "X-type" chassis, used on many platforms during the 1960's.  However this car has a front upper a-arm, lower control arm and strut rod, vs. the double-a-arm arrangement on other GM cars at the time.
Wheels & Tires:
15" steels (what else?) and Cadillac brushed stainless hubcaps.
Body:
questionable bodywork done piecemeal over 30-year span, though the color remains original.  Chrome, fender skirts, and glass are all original.
Interior:

Back in those days, Cadillac had so many build combinations that it is rare to see two cars with the same interior trim and color.  Mine is the DeVille 62-series baby-blue leather/brocade combination