By today's standards, Porsche's 915 transmission can be called a bit balky. We're giving ours a bit of a tune-up, though.
We replaced the clutch arm helper spring—about $78 for the part, and it was in stock—and cleaned and repacked the needle bearings inside the throw-out lever. We also cleaned up…
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Nice project. I did much the same, including a new clutch, cable, arm, etc. on our 84' Carrera several years ago for the first time (it had 88,000 miles at the time). I found a significant improvement in shiftng followed adjusting the shift linkage in the rear tunnel. That and some Swepco 201 tranny oil.