Reference Details
- Common issue
- Standard H/O intake casting 410448 is cast iron and painted Oldsmobile blue.
- Confidence
- documented
- Correct value
- Aluminum intake casting 407570, not painted blue
- Where to check
- Intake manifold casting area
Authenticity reference
W-30 intake manifold
trim correctness · 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