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Old 04-20-2012, 08:58 PM   #53 (permalink)
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Aerocivic - '92 Honda Civic CX
Last 3: 70.54 mpg (US)

AerocivicLB - '92 Honda Civic CX
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Originally Posted by steffen707 View Post
That's odd, in the VX it has to be under like 2400 or 2800, not OVER. Is this right?
In my car, once the normal operating temp has been reached, lean burn is strictly dependent on the manifold vacuum pressure, not the RPM or when VTEC kicks in. It can cruise along in lean burn at 90+mph at over 3000rpm with VTEC engaged. With the SuperMID it is very easy to tell when you are in lean burn.
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