Reference Details
- Common issue
- A replacement or restamped block whose plant, displacement, date-code, sequence, or boss evidence does not reconcile with the car records.
- Confidence
- documented
- Correct value
- 1970 engine identification uses a two-letter plant code, 440 cubic-inch displacement, four-digit date code, and four-digit daily sequence; the 440 boss location is listed at the left rear of the block near the oil-pan flange.
- Where to check
- Engine identification-number boss on the left rear of the 440 block near the oil-pan flange