Thread: Miata mpg
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Old 08-15-2010, 10:28 PM   #6 (permalink)
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If you drive much highway, the Miata can use taller gearing for more MPG.

Many of the turbo guys install 3.63 rear gears out of Australia. That's a minor change from the stock 4.10's. But, it will net you a few MPG's.
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