Quote:
Originally Posted by Dragncar
Whitmore told me the 1970 10-1 455 with 64 heads ( I have one) had a fair amount of comebacks due to people not running premium fuel. It had cast pistons and they cracked and took out a few engines. He was a dealer mechanic back in the day.
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Thanks, I could certainly see that happening.
The question is, did Pontiac ship 10,000 (or more) SR blocks each year? Or were SR numbers picked at random. I just don't know at this point. But I'll keep looking!