Quote:
Originally Posted by V8COOPMAN
...I've still gotta ask WHY did those Frenchmen go to the trouble on those beautiful French flatheads (one of which I just sold the last couple of days), as well as the relatively few that Henry Ford produced for buses and other industrial equipment?
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Truck and industrial engines which see high load over extended periods of time will often have lower compression ratios. One way of doing this is to relieve the block. GM did this on the 348-409 Chevrolet truck and industrial engines. I'd suspect Ford did the same.