11-07-2007, 10:38 PM
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CC Member
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Join Date: Aug 2004
Location: Rosamond,
Ca
Cobra Make, Engine: FFR, 331 Sportsman block, T5Z, 3.55 IRS, Fuel Safe cell
Posts: 97
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Not Ranked
I'm using a Centerforce billet flywheel, disc and pressure plate. I've had it over 7200 RPM without any issues, and it shifted fine. For a steel flywheel, I prefer the Centerforce unit, they don't use a cast in or bolted on imbalance weight. Instead, they drill a series of balance holes to lighten one side. This tends to spread the imbalance over a larger area instead of concentrating the imbalance in one area. Makes for a smoother engine, IMO.
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FFR, 331 SBF dynoed 372RWHP@ 6100 RPM on 87 octane pump gas
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