Thanks both of you for the info—this is useful stuff.

The car has had some performance mods—a mystery clutch, cams, chip. I know it's been driven hard, but it's going to be a track slut/project that myself and two others are going in-on, so if something breaks we can afford to wait and fix it right. If the tranny's still got rivets, I might bolt it just for the sake of longevity. 3+ drivers @ as many autox events as we can make means lots of abuse, so bullet-proofing is the first step.

I don't know about the pedal assembly—this was just given to me as a possible reason for the "bad" clutch feel, although I'm sure the clutch/transmission could just as easily be at fault.

Still haven't checked-out or driven it yet, but hopefully it'll be good enough for what we want.