Clearance

Pushrod Engines Micrometer Method





1. NOTE: The camshaft journals must meet specifications before checking camshaft journal clearance.

Measure each camshaft bearing in two directions.
^ Subtract the camshaft journal diameter from the camshaft bearing diameter.

Plastigage Method

Special Tools:

NOTE: The camshaft journals must meet specifications before checking camshaft journal clearance.

1. Remove the camshaft bearing cap and lay plastigage across the surface.





2. NOTE: Do not turn the camshaft while doing this procedure.

Position the camshaft bearing cap and install the bolts.
3. Use Plastigage to verify the camshaft journal clearance.
^ If it is out of specification, replace as necessary.