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Registered
Join Date: Jan 2002
Location: Long Beach CA, the sewer by the sea.
Posts: 38,165
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It is my belief that the less rotating mass the better, AFA shifting goes. But, you have to be one hell of a good driver with excellent shifting technique, and have a super tranny that works perfectly and quickly to utilize the low mass principle. Drag racers really love light flywheels and light PPs. I wouldn't know the difference myself on a 911.
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