<P> In internal combustion engines with pistons , the camshaft is used to operate poppet valves . It consists of a cylindrical rod running the length of the cylinder bank with a number of oblong lobes protruding from it , one for each valve . The cam lobes force the valves open by pressing on the valve , or on some intermediate mechanism , as they rotate . </P>
<P> In internal combustion engines with pistons , the camshaft is used to operate poppet valves . It consists of a cylindrical rod running the length of the cylinder bank with a number of oblong lobes protruding from it , one for each valve . The cam lobes force the valves open by pressing on the valve , or on some intermediate mechanism , as they rotate . </P>
what does a camshaft do for your car
what does a camshaft do for your car
used to operate poppet valves
used to operate poppet valves