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Power Strokes
94-97 Aftermarket
slight issue with southbend clutch. PO installed
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[QUOTE="Garbage_Mechanic, post: 748786, member: 1610"] [b]That is exacly what my SBC looked like![/b] I recently pulled out my SBC that had 100,000 miles mostly just driving, a little towing. It wouldn't release, the springs were out and balled up just exacly the same as the pics above. It had always vibrated too, which I beleive contributed to the kevlar pilot bushing wallowing out. To give you an idea how rough a life it had, I compared thickness to a new disc and there was ZERO measureable cluch material worn off. 99% driven by my wife who is no lily but not abusive either. Here is what I learned: SBC admits they had a bad run of flywheels. Mine was about 8 years old. Back when I got it SBC referred me to a Ford TSB using extra washers on the clutch cover bolts to balance. I should have never bought that as a fix but didn't have time to pull the trans again. With the new flywheel the engine is sooo much smoother! The flywheel wasn't out of balance but had runout. This caused wear to the pilot bushing the clutch diaphagm where the thowout bearing rests and the throwout it self. I think it is actually the cause of the "thrown" springs as well. So probably this is less likely since SBC checks runout and balance on all flywheels now. There are two disc designs for the organic set up. The one SBC supplies and the one Valair supplies. SBC says they can supply the one Valair supplies but don't because it is noisier (I agree it is a little) It is also more rugged and has more springs. They each have a name like LUK and Eaton or Spicer but I can't recall exactly. So I am happy with the Valair, it is noisier, and a little bit of chatter. The disc springs appear to be more rugged. The flywheel is true and balanced. I'll let you know in 8 years if it is better! I beleive SBC has fixed the issue with the flywheels that caused my issue. I think they could have handled it better back then, and so have I. I discussed this at lenght with them and I beleive they have this handled. IIRC the Valair was quite bit cheeper, and even though SBC admitted what the issues were in the past and guaranteed them the be solved. I went with Valair to give the "new guy" a test. We'll see! [/QUOTE]
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94-97 Aftermarket
slight issue with southbend clutch. PO installed
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