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The mkiv Supra Owners Club

clutch gone... bad hot spots on pressure plate and flywheel, how to avoid?


msupra1

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I had a Stage 3 single disc clutch, full face flywheel, steel lightened single mass flywheel.

They are rated for 585tq.

 

The clutch has 6,000 miles on it.

Half of that was done making 460rwhp, and other half making 600rwhp.

 

My pedal started sticking so we pulled the clutch. The actual clutch disc looked to be in great shape, lots of life left on it.

But the issue was excessive hot spots on the flywheel and pressure plate face.

Especially the flywheel surface was almost bumpy from the hot spots.

 

So I just had a new Stage 3 disc installed, a better version which is rated for over 600tq to the wheels.

 

I'm not quite sure how I managed to cause that damage. I only had 2 passes at the track, but I probably practiced over 20 launches on the street.

Other than the launching it was just used for some hard boost cruises.

 

Is it because overheated the clutch too often to cause what I described? cheers.

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