I ran the stock clutch before. If your not doing 1/4 mile drag runs or 0-60 mph runs you should be ok for a while. The stock clutch will not hold up under those conditions.
My observations are the same as Bill1966, after breakin the clutch pedal is about the same as the stocker. The pedal pressure is considerably more but nothing like the old muscle car clutches. I have not wailed on the clutch enough to give you an opinion on it's holding power. That is coming soon as I will be venturing to the drag strip. I will let you know about the performance of the clutch then.
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Clay
Mods-Hahn Stage 3 Turbo/Hi-Flow Cat, Greddy RS BOV/Profec B Spec 2, MagnaFlow Cat Back, Eibach Sportline Springs, GM High Perf. Sway Bars, Koing "Unknown" Rims w/ Bridgestone RE01R Tires, RK Sport Body Kit/Ram Air Hood/Spoiler/Rear Valence, Vertical Doors Solstice Kit, Autometer Fuel Press,Boost Gauge, Autometer Digital Shift Light, AEM Wideband A/F Meter, Dark Walnut Woodgrain Dash Kit, Clutchmasters Stage 3 Clutch, Kicker 8" Sub/Alpine 6.5"/Blaupunkt 3.5" Speakers, MSD DashHawk, etc.