JSeery
Member Emeritus
Short of drag racing, there is no advantage to the 11" clutch in a passenger car, and considerable disadvantages, including: difficulty of replacement (drop pan), added rotating inertia, and stiffer clutch pedal at higher rpm.
No advantage in racing either, in fact a disadvantage. The only advantage of an 11 in clutch that I am aware of is pulling tree stumps or hauling a log trailer.