Roof 16 Valve Head

Roof was summoned to the bureau of standards in washington d c.

Roof 16 valve head.

Originally a 1920 s board track racer this car spent many years in a museum in mitchell south dakota before being recently restored by it s new owner. Stored in a climate controlled room since 1948. For my roof 16 application i designed a piston which provides 8 to 1 compression ratio and a set was made by jahns pistons. Complete roof laurel 16 valve ohv conversion cylinder head for ford model t.

The government s interest in the ford engine was top secret. 2020 american city business journals. Although standard pistons can be used the compression ratio can be increased by using domed pop up pistons. They are a sand cast piston and i think they can produce any style design using existing or new molds.

To first test a stock ford engine then test it with one of roof s 16 valve heads installed. They found that roof s head increased the power of the engine by 64. His prototype 16 valve heads were successfully campaigned by local dirt track racers in and around his hometown of anderson indiana and in 1917 he formed the roof auto specialty co. It also features 19 dayton knock off wheels and an atwater kent distributor.

Believed to be complete with rocker assembly pushrods spacers intake and exhaust manifolds. Yes it is a 16 valve roof head for a model t based sprint car. Of the many aftermarket manufacturers that offered speed equipment for the ford model t four cylinder engine roof is one of the better known and longest lasting remaining in business through to the post war years. The success of the roof racing head attracted the interest of the sales manager of a richmond indiana automobile manufacturer named charles e.

From the seller s description. It is powered by a ford model t engine with a roof 16 valve overhead conversion. Even robert roof did not know what his heads were being used for. The u s government also became interested in some of roof s engineering ideas in 1918 and he was commissioned to build a complete 16.

And began production of the 16 valve roof racing head in earnest.