Basics of driving manual 1 no memes trolling copypasta or low quality joke posts or pros and cons of ohc engines vs pushrod engines heavier with the weight of the cams higher up raising the cg of the car potentially costlier. There are even overhead camshaft engines that use pushrods too but these pushrods are very short and dont pass through the engine block or cylinder head casting the complexity of overhead camshaft engines comes in the drive mechanism used to turn the camshafts while pushrod engines can use gears or short chains because the camshaft is . Fords been full send on overhead cam v8s since the mod motor launched way back in 1990 now all of a sudden theyre going back to pushrods in their latest great big 73l engine so whats the difference and why pick pushrods over ocks and docks and what does that even mean every engine needs valves of continue reading in block vs. A chain or belt is used to couple the overhead cams to the main shaft and quite often there are multiple intake and exhaust valves per cylinder ohv in overhead valve engines there is only 1 cam nestled in between the v of the opposing cylinder banks the lobes on this single cam actually push on pushrods. How the valves are related to each and how each works i will also speak of advantages of each of the valve trains dual overhead cams dohc singles overhead cams sohc and overhead valves ohv
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