Roof 101 Cyclone Ohv

In 1928 speed hunter robert roof invented what s thought to be the first ohv conversion the roof 101 cyclone adding 150 per cent more power to the four cylinder engine in his model a roadster and pushing him to 101 mph.
Roof 101 cyclone ohv. The head you see here is a recreation of that engine by his grandson jim roof. Roof cyclone 101 ohv. Auto engine ford classic cars engine types street rods jack daniels ford models old cars hot rods engineering. Originally created in 1929 by robert roof and called r r cyclone overhead valve.
The trials and tribulations of my car truck americana obsession my internet broadcasting activities. Roof 101 cyclone ohv photos above is the roof 101 cyclone ohv 4 port conversion for model a and b fords. This conversion one of 65 units made in 2010 was co created by charlie yapp and jim roof. The roof 101 cyclone is made to fit the 1928 1934 model a and b ford and the german g28t engines.
A production run depends on customer s continued demand. The following photos represent what can be done to bring the head to show quality with paint powder coating and polish. Roof 101 cyclone ohv photos. Model a b and t ford four cylinder vintage speed sport racing performance touring speed parts and secrets magazine.
The 101 name is based.