MuuMuu101's 68 Dart, A Learning Process...

MuuMuu101 said

It's the throwout bearing. I'm still perplexed that this happened as I don't know what exactly caused this. Sure I thrashed the car that night but all the driving leading up to that was fine. I didn't even hear anything when I parked the car hours before. I'm thinking the TO bearing may have gave out and the clutch discs were glazed because I drove home 30-35 miles with a slipping clutch.

The T56 was all sourced (aside from the Clutch - Centerforce) from American Powertrain.

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I think they just set the clearance wrong, it was out of adjustment the whole time. The throwout bearing was putting too much pressure on the clutch, so you were running around with the clutch partially engaged. Just like if you were constantly riding the clutch. The clutch disk certainly reflects that. And the throwout bearing isn’t designed for that kind of use either, it likely overheated because of the prolonged partial application. And that could certainly cause a failure like that over time, regardless of the quality of parts.