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			The optimal shift point is where the torque delivered to the wheels curve for the current gear crosses the wheel torque curve for the next gear. It is easy to calculate from the gear ratio and torque curves in the owners manual.
		 
				__________________2004 Boxster S Silver - FUNTOY
 2002 Boxster Base Guardsy Red - FUNBOX
 1987 Caterham Super 7 1700 Supersprint
 2009 Mercedes Benz CLK 350 convertible
 1941 Dodge Luxury Liner Coupe
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