Thread: high mileage engine - cam/lifter change?

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I have a high mileage 1974 454cid. I have a sticky lifter. tried to free it up with Cfoam, didn't work. thinking about replacing the lifters. Should I also replace the cam with an RV or Edelbrock RPM cam (mild). Engine has good compression. Never rebuilt.
I am a novice but can't spend money when not needed. full rebuild too expensive at this point.

Oil pressure looks fine 40psi no drops.
Replaced OEM timing chain and gears about 10Kmi ago with Clevite double roller. My only concern with the engine is with the temp. which another thread suggests I am OK.
Sounds like maybe it is good insurance to just go ahead and replace cam and lifters? Labor costs should be similar since they have to take the intake off anyway, right?