Valve in Head and I engines and Over Head Valve engines are the same thing. F head has exhaust in the block and intake in the head. Flat head engines (or side Valve have all valves in the block, T head has intake on one side and exhaust on the other but in the block. Single OHC has valves in the head and the cam. DOHC has 2 cams in the head and all the valves as well. There are other exotic and mundane designs like valves operating sideways, and sleeve valve engines. Jim
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Today's Featured Article - What Price Enthusiasm? - by Anthony West. Quite frankly, for some time now restorers like myself have become more and more concerned about the rapid increase in the prices of old farm machines here in England. There is now a growing market for "As found" machines. Which as machines get rarer, has found the birth of a new industry....one of the "procurement agent". These agents appropriate as much old machinery as possible then inflate prices at auctions. So at what price enthiusiasm? We are now seeing poor machines which 3 years ago ma
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