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Checking Camshaft Timing Rocker Arms

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Another important issue when addressing camshaft lobe lift is rocker-arm ratio. When it's 1.6:1, there's 1.6 times the lift than at the cam lobe. There's lobe lift and there's valve lift. Based on rocker-arm ratio, there's always more lift at the valve than at the lobe.
Ford Camshaft Timing - Degreed To Go

 Another important issue when addressing camshaft lobe lift is rocker-arm ratio. When it's 1.6:1, there's 1.6 times the lift than at the cam lobe. There's lobe lift and there's valve lift. Based on rocker-arm ratio, there's always more lift at the valve than at the lobe.  View Related Article

 

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