Reference Details
- Common issue
- Replacement Hemi or modern crate-style installation presented as original. · 1968 Plymouth Road Runner 426 Hemi
- Confidence
- reported · 1968 Plymouth Road Runner 426 Hemi
- Correct value
- 426 CID dual-four-barrel Hemi with car-correct drivetrain dates and transmission/axle evidence · 1968 Plymouth Road Runner 426 Hemi
- Where to check
- Engine pad, block casting/date, carburetor tags, transmission stamp, fender tag, broadcast sheet, and paperwork · 1968 Plymouth Road Runner 426 Hemi
- Common issue
- Correct-looking R/T with a later Hemi swap, undocumented transmission, or mismatched axle. · 1971 Dodge Challenger R/T 426 Hemi
- Confidence
- documented · 1971 Dodge Challenger R/T 426 Hemi
- Correct value
- R-code 426 Hemi with dual four-barrel carburetion and car-correct engine, transmission, and axle dates · 1971 Dodge Challenger R/T 426 Hemi
- Where to check
- Engine pad, transmission stamp, axle tag/stamp, broadcast sheet, fender tag, and original paperwork · 1971 Dodge Challenger R/T 426 Hemi
- Common issue
- Replacement Hemi or period-style drivetrain presented as factory-original. · 1971 Plymouth Road Runner 426 Hemi
- Confidence
- reported · 1971 Plymouth Road Runner 426 Hemi
- Correct value
- Dual-four-barrel 426 Hemi, transmission, and axle identifiers and dates that agree with factory records · 1971 Plymouth Road Runner 426 Hemi
- Where to check
- Engine pad and casting dates, carburetor tags, transmission stamping, axle tag or stamp, fender tag, and broadcast sheet · 1971 Plymouth Road Runner 426 Hemi
