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Old 03-07-2012, 10:19 PM   #13 (permalink)
Ecky
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ND Miata - '15 Mazda MX-5 Special Package
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Quote:
Originally Posted by beatr911 View Post
Didn't the VX (D15B?) motor operate with mostly one intake valve under 2500rpm and then both above 2500rpm for swirl at low speeds and tumble at high speeds?
That's exactly what it did. In fact, that's what nearly all VTEC systems do.

So the trick is to drive my car at 2500 to 3500rpm I guess?
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