Roof 101 Cyclone

Roof 101 cyclone ohv photos above is the roof 101 cyclone ohv 4 port conversion for model a and b fords.

Roof 101 cyclone.

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. The head you see here is a recreation of that engine by his grandson jim roof. Our last run of 12 heads was shipped january 2017. Roof 101 cyclone head engine for dyno testing piranio s antique automotive in co operation with charlie yapp secrets of speed scalded dog speed parts we are constructing a model a ford short block to accept the new cyclone cylinder head and components.

We will use this engine as the development engine for this combination. A production run depends on customer s continued demand. Roof 101 cyclone ohv photos. Dec 15 2015 14 00 et 19 00 gmt date format.

Roof cyclone 101 ohv. We make these historic and popular cylinder heads once every other year. The following photos represent what can be done to bring the head to show quality with paint powder coating and polish. The roof 101 cyclone is made to fit the 1928 1934 model a and b ford and the german g28t engines.

Model a b and t ford four cylinder vintage speed sport racing performance touring speed parts and secrets magazine. The head is shipped with a black painted iron casting and as cast aluminum rocker boxes and bronze caps. Roof 101 cyclone high compression overhead valve for ford model a. Michael turner 1931 ford.

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