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 is shipped with a black painted iron casting and as cast aluminum rocker boxes and bronze caps.
Our last run of 12 heads was shipped january 2017.
This conversion one of 65 units made in 2010 was co created by charlie yapp and jim roof.
The following photos represent what can be done to bring the head to show quality with paint powder coating and polish.
We make these historic and popular cylinder heads once every other year.
Roof cyclone 101 ohv.
Auto engine ford classic cars engine types street rods jack daniels ford models old cars hot rods engineering.
The trials and tribulations of my car truck americana obsession my internet broadcasting activities.
The 101 name is based.
Model a b and t ford four cylinder vintage speed sport racing performance touring speed parts and secrets magazine.
Roof 101 cyclone ohv photos.
The head you see here is a recreation of that engine by his grandson jim roof.
Roof 101 cyclone ohv photos above is the roof 101 cyclone ohv 4 port conversion for model a and b fords.