Reference Details
- Common issue
- Generic TH400 swapped into an L78-claimed car.
- Confidence
- documented
- Correct value
- CX-coded TH400 tag reported for 375-hp 396/427 COPO use
- Where to check
- TH400 passenger-side tag with code/date/serial
Authenticity reference
L78 automatic transmission code
numbers matching · documented
Cars With This Authenticity Marker
1 linked car page.
1969 Chevrolet
1969 Chevrolet Chevelle SS 396 L78
RPO Z25 SS 396 Chevelle with optional RPO L78 engine