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Old Timer

April 3 2012 at 2:13 PM

  (Login gpence)
A1
from IP address 134.201.253.22


Response to Old Lexicon

 

The terminology comes from the flat head Ford era, it fell out of use by the early 1970s.

There was originally 1/2 race & full race cams. Then somebody got the idea to make a hotter street cam by using one lobe from a 1/2 race cam & one lobe from a full race cam ... thus they called it a 3/4 race cam.




 
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