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Published on Sep 5, 2013
This video is a walk around of the Roof 101 Cyclone OHV conversion for Model A and B Fords. This is cylinder head #1. It is mounted onto a hopped up 1933 Model B engine and a 1929 Model A chassis. A bit more detailing is needed and then the exciting start up. Originally created in 1929 by Robert Roof and called R&R Cyclone overhead valve. This conversion (one of 65 units made in 2010) was co-created by Charlie Yapp and Jim Roof. The "101" name is based off Jim's grandfather's (Robert Roof) advertising stating the "1929 Model A Ford Roadster went 101 MPH." I suspect this design will do much more than that, as its volumetric efficiency is higher than most NASCAR engines. Learn more at www.secretsofspeed.com . . . about Scalded Dog Speed Parts and the Secrets Of Speed Society.