Hydraulic Lifter Operating Range Adjustment
- With No. 1 and then No. 6 pistons at TDC of compression stroke, adjust valves indicated in Steps 2 & 3 below as follows: Loosen rocker arm stud nut until there is clearance at pushrod, then tighten nut until all pushrod-to-rocker arm clearance is just removed. Then tighten stud nut an additional 3/4 turn
(Supersedes previous setting of 1 1/2 turns) to place hydraulic lifter plunger in center of its travel.NOTE: Clearance between valve stem tip and rocker arm with lifter fully collapsed should be.082-.152".
- With No. 1 piston at TDC of compression stroke, adjust the following valves:
No. 1 Intake
No. 4 Exhaust
No. 1 Exhaust
No. 5 Exhaust
No. 2 Exhaust
No. 7 Intake
No. 3 Intake
No. 8 Intake
- With No. 6 piston at TDC of compression stroke, adjust the following valves:
No. 2 Intake
No. 6 Intake
No. 3 Exhaust
No. 6 Exhaust
No. 4 intake
No. 7 Exhaust
No. 5 Intake
No. 8 Exhaust
VALVE TAPPET CLEARANCE
| 221" | |||||||||
| 1962-63 | (1) Zero Lash | ||||||||
| 260" | |||||||||
| 1962-65 | (1) Zero Lash | ||||||||
| 289" | |||||||||
| 1963-2-Bbl. | (1) Zero Lash | ||||||||
| 4-Bbl., Cold | .024" Int. & Exh. | ||||||||
| Hot | (2).021" Int. & Exh. | ||||||||
| 1964-68 2-Bbl. & 4-Bbl. Std. | (1) Zero Lash | ||||||||
| 4-Bbl. 271 HP Cold | .022" Int. & Exh. | ||||||||
| Hot | .018" int. & Exh. | ||||||||
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