Gregg, I've never heard of 1/4 or 1/2 race cams. In the golden age, the
50s, we used to talk about 3/4 race and full race, but those terms had
no specific meaning in terms of duration or lift. John
Baker, G. wrote:
> "I think that 3/4 race is an antiquated term, dating back to
> the flat motors."
>
> John,
> I assume your referring to flatheads but I still don't get the
> connection. I've always wondered about the 1/4, 1/2, & 3/4 race cam
> terms also but really don't know what it's all about. Maybe someone
> brighter than I can shed more light on it.
> Gregg
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