NOTE: Engine uses adjustable hydraulic valve lifters. Lifters require adjustment only if rocker arms have been removed or adjuster setting has been changed.

1. Place No. 1 cylinder at TDC on compression stroke. Distributor rotor will align with mark on distributor housing.
2. Loosen adjuster lock nut on intake valve rocker arm of cylinder No. 1.
3. Turn adjusting screw clockwise until it contacts valve stem.
4. Turn adjusting screw clockwise an additional 2 turns, and tighten lock nut. Repeat procedure for exhaust valve.
5. Rotate crankshaft counterclockwise 180 degrees.
6. Adjust valve clearance of cylinder No. 4 as described in step 2). Use same procedure to adjust cylinders No. 3 and 2, respectively, rotating crankshaft 180 degrees between adjustment of each cylinder.
7. Install rocker arm cover and new gasket.
8. Start engine and let idle until no lifter noise is heard. Replace lifters if oil level and pressure is normal and lifters are noisy.