This puts the train at approximately 40% complete. Some changes are planned for the locomotive including a change to fuel oil from coal and replacing the poppet valves prone to failure with ...

Software roots out design flaws before building pricey prototypes. The valve train is probably one of the most complex and critical assemblies in a modern automobile engine. Its operation directly ...

The diagram, based on official Ford Performance Parts drawings, illustrates the 351C/351M/400 "335 series" pedestal configuration with its complex compound valve angles. "385 series" 429/460 ...

The Federal Railroad Administration investigated the valves after a BNSF train hauling North Dakota crude oil to a Washington refinery had to have 14 cars with slow leaks removed from the 100-car ...