The Stories Of Lightweight Flywheels are Greatly exaggerated
Just drove the car for the first time with the Fidanza Flywheel, and I could still teach a new driver how to drive stick on this car.
Revs are slightly quicker, but really the car should come with this flywheel from the factory. It's still easy to slip, with little to no gas, and I can still cruise under 40mph in 6th gear (supercharger helps this)
But honestly the scare tactics are way over blown on this board. If you are doing the clutch, just put the lightweight flywheel in. It's worth it, I feel like the shifter action even feels more positive.