Reference Details
- Common issue
- Treating a replacement transmission or date-only code as proof of the original SS 396 drivetrain without checking application coding and partial VIN.
- Confidence
- documented
- Correct value
- CRG records the 1967-1969 Muncie transmission assembly-date format as t-y-m-dd-s, with P identifying Muncie 4-speed; for TH400 plates, application letters include C for L35, E for L34, and X for L78/L72/ZL1.
- Where to check
- Muncie maincase transmission stamp; TH400 metal ID plate on the passenger-side vertical surface of the transmission case.
