| Lots of us have gone to underdrive pullies and now I see where there are a number of options for overdriving the waterpump to compensate for flow. My questions: 1) Does a street driven ZX Turbo Stage III in the SouthEast (daily driver-maybe traffic) need the overdrive compensation if its got an underdrive system? 2) How much of the underdrive advantage are you giving up when you go back and overdrive the waterpump?
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