For prewar Ford four-banger speed enthusiasts, the Roof OHV conversion is tops - Daniel J Beaudry @Hemmings
Image from the Roof family collection, shared by Jim Roof and the Secrets of Speed Society. It doesn’t happen every day, but sometimes you just fall into something really, really good. That’s how it was with me when I was researching an upcoming article on pre-muscle speed parts and my friend Kevin Carlson told me about the existence of an exceedingly scarce original Roof overhead-valve…
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