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Old 11-19-2012, 03:48 PM   #13
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Join Date: Mar 2009
Location: Walnut Creek, CA
Posts: 2,969
My Ride: 325Ci, 325Cic, C300
My buddy in high school used to do it in a POS Mitsubishi Galant from the 70s, swore it gave the battery just enough more juice on the next startup. I personally didn't buy it, given how few extra turns the alternator actually got.

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