Quote:
Originally Posted by 1slow370
there are 4things that effect clutch stiffness, pressure plate spring force, csc piston size, cmc piston size, and clutch pedal leverage. something like the rjm can allow you to change the clutch pedals leverage to stiffen or soften the clutch, other than that it comes to how much force the pressure plate takes to open and how big the master and slave cylinders are.
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Yea, I'm pretty sure the HD csc does have a bigger piston. I had a Southbend stage 2 clutch and JWT clutch, and with the Zspeed slave the pedal wasn't as stiff as when I was completely stock. Not that it was anything wrong with that.