Thread: MPGuino 92 VX
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Old 08-17-2010, 11:48 PM   #6 (permalink)
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Silver Bullet - '86 Chevy Camaro Z28
90 day: 19.74 mpg (US)

New Blue - '96 Chevrolet Camaro Z28
90 day: 20.46 mpg (US)

Diesel - '96 Chevrolet Tahoe LS
Last 3: 13.56 mpg (US)

Tahoe #2 - '95 Chevrolet Tahoe LS
90 day: 13.05 mpg (US)

SuperDuty - '08 Ford F-350 dually Lariat
90 day: 9.34 mpg (US)

Fundai - '09 Hyundai Elantra
90 day: 26.45 mpg (US)

HRV - '17 Honda HRV LX
90 day: 31.39 mpg (US)
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Originally Posted by bengry View Post
How will this track lean burn? Does it use the different injector pulse? Can it illuminate an "economy" light when in lean burn for swaps?
There's a big jump in instantaneous MPG when the car is in lean burn. For instance my Civic runs around 35-40 mpg tops on the highway when its cold in the morning, that leaps to 60mpg the moment the car is warmed up and goes to lean burn mode. While in lean burn if you apply the gas while cruising there's a noticeable "step" in the MPGs from 60mpg back to 30-40 when the vacuum drops below 6in. (the lean burn threshold). Not sure if you could rig up a light bulb, I just watch the gauge when accelerating to keep it in lean burn.

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