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dean dean is offline
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Join Date: Dec 2001
Location: MA USA
Posts: 2,938
One can check the advance on the motor with a timing light. All you need is the advance graph. If the curve doesn't match the graph change the springs. Summit sells an assortment of advance springs.

Dean
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Dean
911 SC turbo, 3.0L 930 motor, G50, 930 brakes, DTA EFI, 352 RWHP DynoDynamic dyno,
Old 12-19-2004, 06:56 PM
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