Quote:
Originally Posted by brianjone5
Then how could someone who deletes an alternator see up to 10% mpg gain, as reported here?
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Yup. That's a good question. I think the folks with the 10% gains were running the batteries down and then charging them through plugins, trickle chargers, and solar panels. The gain then might not be so much from taking the belt off as from not putting it back on to charge the battery and thus add that load to the engine. Take another look at MetroMPG's test:
http://ecomodder.com/forum/showthrea...8.html#post958. He tested with a disconnected belt without including recharging load. If somebody with an alternator kill switch wanted to test the difference between belt on (alternator off) and belt off and report the results, that would be one way to answer this, maybe. Or maybe someone can answer what sort of load an "off" alternator is really putting on an engine. I don't know.