Forum: Performance and Technical Chat
06-14-2006, 03:07 AM
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Replies: 25
Views: 3,125
Most efficient gear for Interstate Cruising?
Cruising at 80 MPH in a BoxsterS requires less than 50 HP. On this basis, 6th gear should provide optimum fuel economy, especially if you use cruise control and keep the top up and windows closed for...
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