Reference Details
- Common issue
- U-code indicates 455 with dual exhaust rather than W-30 in H/OCA spotter guidance.
- Confidence
- documented
- Correct value
- X as fifth VIN digit for W-30 engine
- Where to check
- Dash VIN plate viewed through windshield
Authenticity reference
VIN fifth digit for W-30
numbers matching · documented
Cars With This Authenticity Marker
1 linked car page.
1972 Oldsmobile
1972 Oldsmobile 442 Hurst Olds W-30
Hurst Performance, with conversion work recorded at the Demmer facility in Lansing, Michigan