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Miscellaneous Automotive
Car Performance & Repair
Overdrive crank pulleys?
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<blockquote data-quote="adulbrich" data-source="post: 8466789" data-attributes="member: 661255"><p>My alternators already have slight "underdrive" pulleys compared to stock. I now have "320" amp and "370" amp hairpin Singer alternators on my truck. I idle around 500 rpm and my truck shifts around 2k.</p><p></p><p>Does anyone know where I can get an "overdrive" crank pulley for a 2007 Silverado Classic 1500 with the 5.3? I've seen overdrive crank pulleys on other vehicles with superchargers, and was wondering if I could get an overdrive pulley for my truck.</p><p></p><p>I saw one mentioned on a GM trucks forum that was 10% bigger, but all the links were dead :/</p></blockquote><p></p>
[QUOTE="adulbrich, post: 8466789, member: 661255"] My alternators already have slight "underdrive" pulleys compared to stock. I now have "320" amp and "370" amp hairpin Singer alternators on my truck. I idle around 500 rpm and my truck shifts around 2k. Does anyone know where I can get an "overdrive" crank pulley for a 2007 Silverado Classic 1500 with the 5.3? I've seen overdrive crank pulleys on other vehicles with superchargers, and was wondering if I could get an overdrive pulley for my truck. I saw one mentioned on a GM trucks forum that was 10% bigger, but all the links were dead :/ [/QUOTE]
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Overdrive crank pulleys?
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