Authenticity reference

Ram Air IV engine code

numbers matching · reported

1970 Pontiac GTO Judge Ram Air IV coupe photographed by Ethan Long; used as representative Ram Air IV Judge exterior context. 1970 Pontiac GTO Judge Ram Air IV

Reference Details

Common issue: Ram Air III or standard 400 car represented as a Ram Air IV Judge.
Confidence: reported
Correct value: WW for four-speed manual applications or XP for automatic applications, matching 1970 Ram Air IV paperwork and drivetrain evidence
Where to check: PHS invoice, block stamp, casting dates, engine-code pad, transmission evidence, and build records

Cars With This Authenticity Marker

1 linked car page.

1970 Pontiac

1970 Pontiac GTO Judge Ram Air IV

Factory Pontiac GTO Judge ordered with the optional 400 Ram Air IV engine path

Sources & Documentation

New Hampshire GTO Club 1970 GTO Engine Codes & Production Totals