Whats that noise coming from my 318?

GEO said
If you don't replace them all at once then you would be just guessing at which ones were bad and probably have to tear into it again.

Easier to replace the whole set at once

No, disagree

A good mechanic should be able to identify which ones are ticking.

I was referring to cost. If you are gonna spend the money on a complete set of lifters, don't waste them on a low-perf 318 cam, put a little better cam in there