Quote: I would have thought that engines produced in the late 60's that were subject to a "core shift" would have been disposed of long ago by attrition or warrantee claims. I'm finding that some of these may have survived.
Has anyone experienced Core Shift in an engine block (383, 440, etc.) that did not become a problem until years later when the block received its first 30 overbore? By problem I mean overheating or cracked cylinder wall.
Has anyone really found "core shift" to be responsible for over heating?
I didn't don't have time to read all your old posts about this problem, have you ever changed the tune up to see if that would help?
Is the carb the same as it was in 1969 inside?
Have you tried to run the car on 100% leaded 110 race gas?
