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Old 02-19-2004, 10:35 PM   #3
Dave_mustang_50
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Join Date: Aug 1999
Location: New Port Richey, Florida
Posts: 483
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The diamater of the pullies are different. This is why the alternater might not charge fully, it will turn less than with the regular pulley. I had this problem at night with the lights and radio on. A local speed shop changed out the alt pulley and over drived it so it would fully charge. In short they turn your accessories less, which takes power.
Hope that helps
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