Quote:
Originally Posted by hurryinhoosier62
George, you have that backwards: the Ford teams were forced to run the Boss 429s ( which had many problems running nitro) instead of tried and true SOHC 427. “Ohio George” Montgomery was still running “SOCK” engines until 1971. Kalitta, Snake and the Hawaiian were running “SOCK” engines through the 1970 season.
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No I’m correct, when the hp level in the nitro engines got over 1,500-1,600 hp level the block started to break that would be around 1970.
GTO George