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Old 06-20-2014, 02:44 PM   #7 (permalink)
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ND Miata - '15 Mazda MX-5 Special Package
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Originally Posted by jamesqf View Post
Second the congrats. I've had mine for 10+ years now.

I'd quibble on a few things in your writeup.

1) I don't believe the engine is Atkinson cycle, and the VTEC shift point is right around 3000 RPM.

2) I seriously doubt that you'll see a 5-10 mpg increase with the Bridgestones. Your flat freeway mpg is just about what I get with them.

I wasn't sure about that, and will edit my post. There was some talk about it over at InsightCentral and some there believe it to have different compression/expansion ratios.
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