Personally I have very little track experience on my clutch/flywheel setup but lots of street time.
I would recommend the Southbend clutches and flywheel combination with the CSC HD upgrade. Talk to Joe @ Z Speed Performance for his recommendations.
I have the Stage 3 clutch and the billet flywheel, stock CSC and bearing sleeve. Plus I've drilled out the copper orifice block and put a longer than stock stainless clutch line and triple insulated it. This moves the clutch line closer to the body and more away from the hot exhaust piping. More insulation helps too.
The feel of the clutch is solid but not too hard for everyday use. I haven't replaced the stock CSC yet as it's still working well and if it ain't broke ..... but I do have a upgraded CSC on stand-by.
I think this will be a perfect solution for your track duties and the fact that your continuously working the clutch CSC with your heel and toe routine.
A lighter pressure plate on a stage 1 or 2 might be a better choice for the track.
Some thoughts that may be wrong or not
A heavier flywheel will keep the RPM's up longer than a lighter flywheel plus take the heat a lot better. Bonus: no rattles
You might consider a clutch fluid cooler to help with the temps
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[B]2009 & 2017 370Z Touring Sport Autos SOLD
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