Hobbs adj vac switch could work to turn on & off a light.maybe 2 hobbs switches since lean burn kicks in & out at 2 different vaccum levels. I like a vacuum gauge because There is a lot of peddle in lean burn mode where the car doesnt go any faster.Example:I can drive a steady 55mph in lean burn at 8in hg.then let off the gas peddle to 15in hg & still be going the same speed but gets better mpg.
Last edited by robertsvx; 04-28-2011 at 07:47 AM..
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