This is an interesting discussion.
Incase I missed it, does anyone have numbers on the "69-78" cast rods to compare against the other castings being discussed?
I believe this was the first mention of them in this thread:
Quote:
Originally Posted by tom s
For a street only engine up too 4in stroke I would run a set of 69-70 cast rods before any of the 58-62 forged rods.JMHO,Tom
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I had understood that the cast rods were good, but this prompted me to look at my McCarthy and other Pontiac books I had here, and I couldn't find a single mention of how the 69-78 rod held up against the others.