Do NOT get a Spec Clutch for a LT1 car. Nothing but trouble. We just had my buddies 6K mile old Spec Stage 3 replaced because two spring retainers had snapped and the springs were bouncing around the bell housing and chewed up a bunch of pucks. Not to mention the chatter. OH MY LORD the chatter.
For a clutch that you can grow in to, look at the McLeod Single Disc setup. It's relatively inexpensive, extremely reliable, smooth, nice light pedal pressure, and holds up really well too.
I put about 120 dragstrip passes and about 25K miles on it before I made it slip, but this was in about 2 years time also. I was being pretty vicious with it though. This was on a stock flywheel also.
The McLeod Street Twin is an outstanding clutch, but the price ($900+) coupled with the fact that you WILL destroy everything behind it if it's not already been bulletproofed and the fact that you'll need slicks for the track to cut any decent short time factors it out for a lot of people.
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