How To Check For Proper Pushrod Length - Push It - CHP Step By Step
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To see the effects of an overly long pushrod, we then extended the adjustable pushrod to 6.800 inches and gave the engine a full rotation. While the rocker arm produced a full sweep across the valve tip and didn't fall off either edge, this type of stress can induce side load on the valve stem, eventually causing the valve to move side to side. This could lead to prematurely wearing out the valveguide and to breaking the valve itself. View Related Article
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