NOTE Cam angle readings taken at speeds above 1750 engine RPM may prove unreliable on some cam angle meters EDGE OF CASTING T 0 e 1 BREAKER PLATE INDEX SCALE CAM ANGLE SETTING OR POINT
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contact points or worn distributor cam lobes The variation in cam angle readings between idle speed and 1750 engine RPM should not exceed 3 Excessive variation in this speed range indicates wear in the distributor ... NOTE Cam angle readings taken at speeds above 1750 engine RPM may prove unreliable on some cam angle meters EDGE OF CASTING T 0 e 1 BREAKER PLATE INDEX SCALE CAM ANGLE SETTING OR POINT |