Authenticity reference

455 W-30 drivetrain identity

numbers matching · reported

1970 Oldsmobile 442 W30 photographed by Sicnag; reviewed as representative W-30 exterior media, not individual-car originality proof. 1970 Oldsmobile 442 W-30

Reference Details

Common issue: Non-W-30 455 car upgraded with selected W-30 engine parts.
Confidence: reported
Correct value: Oldsmobile 455 W-30 drivetrain evidence matching body, transmission, and axle documentation
Where to check: Engine pad/casting dates, carburetor, intake, transmission, axle code, build sheet, and paperwork

Cars With This Authenticity Marker

1 linked car page.

1970 Oldsmobile

1970 Oldsmobile 442 W-30

Oldsmobile 4-4-2 with W-30 performance package

Sources & Documentation

General Motors Heritage Collection 1970 Oldsmobile Cutlass 442

Oldsmobile Division / General Motors, reproduced by Over-Drive Magazine 1970 Oldsmobile W-Machines brochure PDF