Authenticity reference

428 Cobra Jet engine

numbers matching · documented

1969 Mercury Cyclone CJ 428 exterior context; exact CJ model visual, not individual-car authenticity proof. 1969 Mercury Cyclone Spoiler 428 Cobra Jet

Reference Details

Common issue: 390/351 car converted with 428 badging or non-CJ FE replacement engine
Confidence: documented
Correct value: 428 CJ FE with correct carburetor, dress-up/dual-exhaust context, date-compatible parts, and order evidence
Where to check: VIN/data plate, engine assembly, carburetor, distributor, manifolds, tags, Marti report, invoice

1 linked car page.

1969 Mercury

Factory Mercury Cyclone/Cyclone Spoiler fastback with 428 Cobra Jet, Ram Air, SCJ, and Drag Pak claims decoded per car