Quote:
Originally Posted by askiles
It would be cool to do some sort of vacuum actuated system like the C6 Corvette has, where the calves open more at higher RPM's when more vacuum is introduced.
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Actually the ECU sends the signal to open them at 3,500 rpm. Yes, the valves are vacuum-operated, but when the actuator gets the signal from the ECU. Many owners wire the valves directly so they can open them at will (like this system), but it'd be nice to have both options indeed. Take care.