Pistons were removed. Close inspection and measurements revealed
no scoring. Even the age-old oil rings were still functional, a salute
to IHC technology, over-engineering and conscientious use by the
first owner. It did not take much energy to clean up the “baked”
oil, which was a sign of normal usage. However, the chip at the
bottom edge of the cylinder raised questions. What would have
caused it? Age? Fatigue? An engine problem?
A connecting rod had sustained damage to its babbitt bearing,
evidenced by the chipping along an edge. The cause initially was
unknown. One small piece had fallen into the oil screen and was
still resting there, out of harm’s way. The damage may have been