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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 02-19-2009, 08:53 AM   #9
Ender
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I know in my TII I get significantly better mileage at or under 75mph in fifth than anything above that speed (I also have a lower secondary staging RPM due to my Rtek 1.7 ECU).

If you're below ~45mph in fifth, you very well might get better mileage in fourth gear. If I understand it correctly, most gas motors (most 4cyl, 6cyl, but especially rotaries) don't make great torque below 1,000-2,000 RPM. The rotary probably doesn't do so hot under 3K either. Somewhere in between 2,800 to 3,800 RPM for a stock FC is where I'm guessing the mileage 'sweet spot' is for cruising. Any other thoughts on that?
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