Authenticity reference

V-code 440 Six Barrel identity

numbers matching · reported

1971 Plymouth Road Runner 440 photographed by Sicnag; reviewed as representative Road Runner 440 exterior media, not individual-car proof. 1971 Plymouth Road Runner 440 Six Barrel

Reference Details

Common issue: 383 or 440 four-barrel Road Runner converted to Six Barrel appearance.
Confidence: reported
Correct value: 440 Six Barrel drivetrain evidence matching the car's VIN/fender tag/broadcast sheet and original order
Where to check: VIN, fender tag, broadcast sheet, engine pad/casting numbers, carburetor tags, transmission, axle, and paperwork

Cars With This Authenticity Marker

1 linked car page.

1971 Plymouth

1971 Plymouth Road Runner 440 Six Barrel

Plymouth Road Runner B-body hardtop

Sources & Documentation

The 1970 Hamtramck Registry Library 1971 Plymouth dealership data book - cover and intro

Wikipedia Plymouth Road Runner