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Old 10-12-2009, 12:29 PM   #8 (permalink)
rgathright
EcoModding Apprentice
 
Join Date: Aug 2008
Location: Lake Charles
Posts: 193

Black Beauty - '09 Honda Accord EX-L
90 day: 27.44 mpg (US)
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Quote:
Originally Posted by metroschultz View Post
I have seen one car where the owner regulates the alternator with a continuous duty solenoid.
Solenoid in circuit with the battery charge cable.
Solenoid off = no drag from the alt.
Solenoid on = drag from alt.
Works for him, he sees 5% gain in FE from alternator-less driving.
I will see of I can find the thread he started,
I agree with your statements.

Rather than putting an alternator on your driveshaft, take the more direct route of removing the alternator completely. Put a Group 31 Gel Cel in your trunk or truck bed. I got a range of 150+ miles out of 2006 Jeep TJ I-6 from this modification and saw an increase in MPG as well.

Turning an alternator on and off while spinning puts a tremendous strain on the diodes inside the alternator and will "pop" them quickly.
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