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t-head · 06-17-2010, 10:39 AM

One head I neglected to show with the other Rajo's is the Four Valve head. It is the style called an F-Head which is intake over exhaust. The intakes were of coarse in the head which also left plenty of room for water passages.

The exhaust was handled by the standard Ford exhaust valves and manifold. This head was cheaper to produce than an eight valve and was good for trucks, passenger cars up to about 60 MPH.

The last two photos show two different heads one of which has fabricated rocker arms. I believe this head has been reproduced in recent times.

06-17-2010, 10:39 AM	#133
t-head Senior Member Join Date: Jun 2010 Location: In my machine shop. Posts: 1,047	Re: Model T Racing Thread One head I neglected to show with the other Rajo's is the Four Valve head. It is the style called an F-Head which is intake over exhaust. The intakes were of coarse in the head which also left plenty of room for water passages. The exhaust was handled by the standard Ford exhaust valves and manifold. This head was cheaper to produce than an eight valve and was good for trucks, passenger cars up to about 60 MPH. The last two photos show two different heads one of which has fabricated rocker arms. I believe this head has been reproduced in recent times. Last edited by t-head; 06-12-2011 at 11:01 AM.