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Old 01-29-2013, 06:49 PM   #8 (permalink)
Wanting more for less
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Join Date: Jan 2011
Location: New South Wales, Australia
Posts: 307

Metric - '94 Honda Magna 250
90 day: 70.63 mpg (US)

RedCelica - '94 Toyota Celica ZR
90 day: 35.97 mpg (US)

i30 - '12 Hyundai i30 Elite
90 day: 39.84 mpg (US)
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A more conventional method (vs. vacuum levels) of controlling additional DFCO would be to base it on engine revs via an adjustable frequency switch like this.
Frequency Switch - Jaycar Electronics

This method has DFCO being selected if the throttle position sensor shows the throttle as being closed, with the engine above your set rpm. Still using a time delay of a few seconds to avoid unwanted power cuts while changing gears.

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