F engine cam shaft Question

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Aug 8, 2008
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Franktown, CO
I have a 1974 F engine that I am replacing the piston rings and rod bearings on with the engine in the chassis. With the pan off I can look up and see the camshaft lobes.

How much pitting and wear is acceptable on the lobes before you have to replace the cam & lifters? If I reach up there and feel the lobes with my fingertip you can feel a little pitting and roughness.

If I have to replace the cam with the engine in the chassis, how big of a job is it?
 
Replacing the camshaft is easy with the motor in the truck, but replacing the cam bearings is not.

Ed
 

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