Classic Muscle
Search cars, engines, parts...

Search Classic Muscle

Enter at least two characters to search the archive.

Enter at least two characters to search the archive.

Authenticity reference

Engine VIN derivative

numbers matching · reported

Period 1968 Chevrolet Nova SS advertisement showing factory SS presentation. 1968 Chevrolet Nova SS 396 L78

Reference Details

Common issue
Correct-style engine without matching VIN derivative · 1968 Chevrolet Nova SS 396 L78
Confidence
reported · 1968 Chevrolet Nova SS 396 L78
Correct value
Last six digits of VIN stamped on original engine block, per NovaResource authenticity guidance · 1968 Chevrolet Nova SS 396 L78
Where to check
Engine block stamp area · 1968 Chevrolet Nova SS 396 L78
Common issue
A replacement block, altered stamping, or sequence that does not match the car. · 1972 Oldsmobile 442 W-30
Confidence
reported · 1972 Oldsmobile 442 W-30
Correct value
Stamp should correspond to the car's 1972 Oldsmobile VIN sequence · 1972 Oldsmobile 442 W-30
Where to check
Machined pad on the driver side of the block below the cylinder head, behind the power-steering pump · 1972 Oldsmobile 442 W-30

Cars With This Authenticity Marker

2 linked car pages.

Sources & Documentation