pope
thanks dick,i never considered that.seems very logical.i knew the buttons were to keep the valves from dropping,but often wondered if there was any other reason they may have been used.they used a cotter pin in the valve stem under the spring collar on the mack to keep it from dropping.must have been a common problem to have to put two large pieces of metal into your combustion chamber .and honestly i'd worry more about the little tiny bolt that holds the button in ,than the valve spring collar pin.i think pope definatly improved perry's design.
thanks dick,i never considered that.seems very logical.i knew the buttons were to keep the valves from dropping,but often wondered if there was any other reason they may have been used.they used a cotter pin in the valve stem under the spring collar on the mack to keep it from dropping.must have been a common problem to have to put two large pieces of metal into your combustion chamber .and honestly i'd worry more about the little tiny bolt that holds the button in ,than the valve spring collar pin.i think pope definatly improved perry's design.
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