Reference Details
- Common issue
- Non-W-30 or non-Tri-Carb heads, restamps, or Toronado-head confusion. · 1966 Oldsmobile 442 W-30
- Confidence
- reported · 1966 Oldsmobile 442 W-30
- Correct value
- B head casting with -1 suffix; Tri-Carb heads stamped with V code and T suffix context · 1966 Oldsmobile 442 W-30
- Where to check
- Cylinder-head casting/stamp areas described in registry/reference coverage · 1966 Oldsmobile 442 W-30
- Confidence
- reported · 1968 Oldsmobile 442 W-30
- Correct value
- Raised letter D casting reported for 1968 W-30 · 1968 Oldsmobile 442 W-30
- Where to check
- Cylinder heads near end spark plugs · 1968 Oldsmobile 442 W-30
- Common issue
- Non-D heads on claimed W-30 engine · 1969 Oldsmobile 442 W-30
- Confidence
- reported · 1969 Oldsmobile 442 W-30
- Correct value
- D-code cylinder heads · 1969 Oldsmobile 442 W-30
- Where to check
- Raised/cast head identification locations · 1969 Oldsmobile 442 W-30
