What is required if a camshaft is worn beyond specifications?

When a camshaft is worn beyond specifications, the most effective solution is to both replace and re-grind the camshaft. A worn camshaft can lead to a decrease in engine performance and may create problems in valve timing and overall engine efficiency.

Replacing the camshaft ensures that you have a new component that meets the necessary specifications for optimal operation. This is important because a worn camshaft might not only affect the timing and lift of the engine’s valves, but it could also lead to uneven wear on other engine components.

Re-grinding, on the other hand, can restore a worn camshaft to a functional state by removing material to create a new surface that can operate correctly within the engine. However, this is typically a temporary fix. In some cases, particularly severe wear might necessitate replacement anyway as re-grinding can only address wear to a certain extent.

Thus, the combination of both actions—replacing and possibly re-grinding—ensures a comprehensive approach to restoring engine performance and longevity. This dual strategy accounts for cases where minor wear can be mitigated through re-grinding while more significant wear is resolved through replacement, providing a well-rounded solution for optimal engine health.