9139, RE: I need help on a clutch purchase decision Posted by 420agreenvilleSC, Dec-31-69 06:00 PM
Resurrecting this old thread to post some updated info.
So it's looking like the southbend (bought in '09) has begun showing signs of slipping, but only when the engine/trans is not fully warmed up and occurs in conditions during peak HP/Tq @8-9psi boost (3k-4k RPMs). It's intermittent so will keep a close eye on it.
Aside from a couple launches, it's been babied since installed and have experienced zero issues. No "clutch braking" on inclined stop lights, no burnouts, nothing like that - just simple/easy daily driving. It hasn't given up completely yet and until then, it's still been great clutch and vouch for Southbend's quality.
In short, looks like it lasted roughly 9 1/2 years (70k miles, best guess). I hope this helps someone in terms of lifespan.
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