Reference Details
- Common issue
- Generic 1967 Buick V-8 evidence used to infer original GS-400 drivetrain. · 1967 Buick GS 400
- Confidence
- reported · 1967 Buick GS 400
- Correct value
- The GS 400 used Buick's 400 CID four-barrel V8; engine-number and casting-date validation requires car-specific service and parts evidence. · 1967 Buick GS 400
- Where to check
- Engine block stamping and supporting drivetrain documentation. · 1967 Buick GS 400
- Common issue
- Generic Buick big-block references can be incorrectly substituted for the target-specific GS 400 engine evidence. · 1968 Buick GS 400
- Confidence
- documented · 1968 Buick GS 400
- Correct value
- 400 cu in Buick V-8 for GS 400 in the factory AMA engine table. · 1968 Buick GS 400
- Where to check
- Factory AMA engine specification pages; confirm individual-car engine stamping/casting through service and parts references. · 1968 Buick GS 400