Checking Camshaft Lobe Lift

Remove rocker arm and balls. Attach a dial indicator to rocker arm stud or rocker arm cover mounting hole and adjust dial indicator to seat in push rod cup.

NOTE: Be sure push rod is seated in lifter socket.

Rotate crankshaft slowly until lifter is on heel of cam lobe (push rod will be at lowest position). Zero dial indicator and slowly "bump" engine over until push rod is fully raised.

CAUTION: Ground primary wire on coil when cranking engine.

Compare total lift on dial indicator with specifications (see Cam Lobe Lift table). Continue to rotate engine until indicator reads zero.

CAM LOBE LIFT

		LIFT
Engine & Year		Intake	Exhaust
396"
	1968-69
	(265 & 375 HP)	.2343"	.2343"
	(350 HP)	.2714"	.2714"
	(375 HP)	.3057"	.3057"
427"
	1968-69
	(385, 390 & 400 HP)	.2714"	.2714"
	(425 HP)	.3057"	.3057"
	(430 HP)	.3286"	.3412"
	(435 HP)	.3057"	.3057"
396" (402")
	1970
	(350 HP)	.2714"	.2824"
	(375 HP)	.3057"	.3057"
400" (402")
	1970
	(330 HP)	.2343"	.2343"
454"
	1970
	(345 HP)	.2343"	.2539"
	(360 HP)	.2655"	.2824"
	(390 HP)	.2714"	.2824"
	(450 HP)	.3057"	.3057"
402"
	1971-72
	(300 HP)	.2343"	.2343"
454"
	1971-72
	(365 & 425 HP)	.2714"	.2824"
454"
	1973	.2590"	.2590"