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11 Basic Tech Questions On...Putting The Power To The Ground
Staff Report Jun 11, 2004 0407tur_clutch01_z Photo 1/8   |  
This clutch is destined for our Project Mazdaspeed Protege. It
features an ACT Heavy-Duty pressure plate that offers 20 to 50
percent more clamp load, higher torque-carrying capacity and
more durability compared to the stock offering.  When you're
gunning your car down the road, a lot of variables have to
converge properly in order to complete that fast and furious
gear change. Putting the power to the transmission means relying
on a disc that's a mere 5mm to 8mm thick. The disc is abused in
unfathomable ways. At launch, it's at a standstill one instant,
then it's smashed between two pieces of billet-aluminum and
spinning at 4000 to 6000 rpm. The shock, friction and heat
generated by this act make the clutch one of the more remarkable
automotive component systems.  Bare Basics The basic clutch
setup consists of two sub-assemb