Al,
I know that with a centerforce clutch...there is a break in period
see this from their website:
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DO CENTERFORCE CLUTCHES REQUIRE A BREAK IN PERIOD?
Yes. It Is Recommended To Properly Seat In The New Pressure Plate &Amp; Disc Assembly To Assure Good Clutch Performance. Centerforce Recommends 450-500 Miles Of In Town Stop And Go Type Of Easy Driving Before Applying Full Power. If Your Driving Consists Of Mainly Highway Type Use, The Break In Period Should Be Longer Than The 450-500 Miles. If The Break In Period Is Not Properly Followed, Clutch Life And Performance Can Be Sacrificed.
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And also this:
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DOES CENTERFORCE REQUIRE THE FLYWHEEL TO BE RESURFACED BEFORE INSTALLING A NEW CLUTCH?
Yes! Flywheels Are Subject To Heat, Scoring And Warping During Use, Therefore The Flywheel Should Always Be Properly Resurfaced Or Replaced To Assure Good Clutch Performance. Resurfacing Must Be Performed On A Qualified Flywheel Grinding Machine. Centerforce Does Not Recommend Resurfacing Flywheels On A Lathe Or A Blanchard Grinder. Also, Be Aware That Using A Hand-Held Electric Or Pneumatic Grinder/Sander Or Scuffing The Surface With Sandpaper Does Not Constitute A Properly Resurfaced Flywheel. Refer To Your Factory Service Manual For Specifics On Your Vehicle Regarding Flywheel Resurfacing And Specifications (Flat, Step, Etc.).Some Vehicles Require New Replacement Flywheels Instead Of Resurfacing. Please Consult The Factory Service Manual Or Call Our Tech. Line At (928) 771-8422 If You Have Any Questions
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Just trying to help
