The E-bar method does not consider valve geometry & valve lash, both affecting optimum cam timing/setting. If it's a race engine, and max performance is expected, use a 18" diameter Moroso Pro-Wheel on the crank snout, a dial-indicator on the valve retainers, set 'hot' lash on the valves, and set the cam position as desired. The above procedure/hardware is what the engine valves will 'observe' while running........ except for a very slight amount of drive-belt stretch. -Dave-
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