Reference Details
- Common issue
- A replacement or upgraded engine represented as original · 1968 Mercury Montego MX
- Confidence
- documented · 1968 Mercury Montego MX
- Correct value
- Represented 200, 302, or 390 application, induction, dates, transmission, axle, and body agree with the warranty data and order history · 1968 Mercury Montego MX
- Where to check
- Warranty code, engine assembly and dates, carburetor tag, transmission and axle tags, invoices, and restoration records · 1968 Mercury Montego MX
- Common issue
- Later replacement 340 or modified small-block used as proof of original engine identity · 1970 Dodge Dart Swinger 340
- Confidence
- documented · 1970 Dodge Dart Swinger 340
- Correct value
- E55/H-code 340 four-barrel engine evidence should agree with the decoded car and drivetrain records · 1970 Dodge Dart Swinger 340
- Where to check
- VIN, fender tag, broadcast sheet, engine pad/stamp, service records, and restoration documentation · 1970 Dodge Dart Swinger 340
