Reference Details
- Common issue
- A later 327 or 409 is treated as factory-installed because the car is a real SS. · 1964 Chevrolet Impala Super Sport
- Confidence
- documented · 1964 Chevrolet Impala Super Sport
- Correct value
- VIN six/V8 distinction, engine pad, casting, date, and order records agree · 1964 Chevrolet Impala Super Sport
- Where to check
- VIN, engine pad, block, heads, intake, carburetion, and paperwork · 1964 Chevrolet Impala Super Sport
- Common issue
- The V8 VIN does not distinguish 283, 327, 396, L36 427, or L72 427. · 1966 Chevrolet Impala Super Sport
- Confidence
- documented · 1966 Chevrolet Impala Super Sport
- Correct value
- Six- or V8-series VIN agrees with the car; a specific V8 requires car-level records and matching component evidence · 1966 Chevrolet Impala Super Sport
- Where to check
- VIN, engine pad, partial VIN where applicable, castings, dates, and paperwork · 1966 Chevrolet Impala Super Sport
- Common issue
- A later 351, 429, or 460 swap represented as factory, or H/M code used to infer architecture without component evidence. · 1970 Ford Falcon
- Confidence
- documented · 1970 Ford Falcon
- Correct value
- L, F, H, M, N, C, or J VIN engine character supported by castings, dates, induction, installation details, and records · 1970 Ford Falcon
- Where to check
- VIN, engine casting/date codes, carburetion, air-cleaner/Ram Air hardware, invoice or Marti report, and service history · 1970 Ford Falcon
- Common issue
- A later 340 swap presented as proof that the car was built with the optional engine. · 1973 Dodge Challenger Rallye
- Confidence
- documented · 1973 Dodge Challenger Rallye
- Correct value
- G in the fifth VIN position for 318 or H for 340 · 1973 Dodge Challenger Rallye
- Where to check
- Dash VIN, certification label, title history, broadcast sheet, and engine identifiers. · 1973 Dodge Challenger Rallye
- Common issue
- Assuming shared H code identifies Windsor versus Cleveland, or treating a replacement 429/460 as original. · 1973 Ford Gran Torino Sport
- Confidence
- documented · 1973 Ford Gran Torino Sport
- Correct value
- F, H, Q, S, or N VIN engine character supported by architecture, castings, dates, induction, emissions labels, installation details, and records · 1973 Ford Gran Torino Sport
- Where to check
- VIN, engine casting/date codes, carburetion, emissions label, invoice, window sticker or serial-specific Marti report, and service history · 1973 Ford Gran Torino Sport
- Common issue
- A 340 or another replacement engine presented as proof that the car was built with the optional 360. · 1974 Dodge Challenger Rallye
- Confidence
- documented · 1974 Dodge Challenger Rallye
- Correct value
- G in the fifth VIN position for 318 or L for 360 · 1974 Dodge Challenger Rallye
- Where to check
- Dash VIN, certification label, title history, broadcast sheet, and engine identifiers. · 1974 Dodge Challenger Rallye
- Common issue
- A later 360 or 400 swap presented as original because it is period-compatible. · 1975 Dodge Charger SE
- Confidence
- documented · 1975 Dodge Charger SE
- Correct value
- Fifth VIN character G for 318, K for 360, or N for 400, supported by component casting, stamp, date, induction, emissions label, and paperwork · 1975 Dodge Charger SE
- Where to check
- VIN, engine pad and castings, carburetor and intake, emissions label, broadcast sheet, and window sticker · 1975 Dodge Charger SE
- Common issue
- Assuming H identifies 351W versus 351M, or treating a replacement 429/460 as original. · 1975 Ford Gran Torino Sport
- Confidence
- documented · 1975 Ford Gran Torino Sport
- Correct value
- H for 351, S for 400, or A for regular-production 460, supported by castings, dates, emissions labels, installation details and records · 1975 Ford Gran Torino Sport
- Where to check
- VIN, engine casting and date codes, emissions label, data plate, invoice, window sticker or serial-specific Marti report, and service history · 1975 Ford Gran Torino Sport