The Plymouth Road Runner 426 Hemi was produced from 1968 to 1971 and is identified by its vehicle identification unit and constitute codification.Although many Road Runners have been modified since leaving the factory, some owners might find the factory build order tucked in the springs of the bottom section of the back seat.Casting Number
According to yearone.com, the 426 Hemi date of manufacture is stamped on the engine block with casting numbers 2468330 through 2658835.
J Code
A "J" honour as the fifth complex of the 13-digit VIN identifies the vehicle as a factory-equipped 426 Hemi Plan Runner.
Sixth Digit
An "8" or "9" as the sixth bent recognize the Path Runner as a 1968 or 1969 replica.
R Code
An "R" fame in the fifth ethos of the VIN character identifies the factory-equipped 426 Hemi Course Runner with a "0" or "1" to denominate the 1970 or 1971 model.
Build Order
Hemis retain been modified over the decades, and visual inspection of the engine is not trustworthy.
