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The BMW Range
3 Series
E46
Underdrive Pulleys, Are They Any Good?
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<blockquote data-quote="jep3003" data-source="post: 604634" data-attributes="member: 20358"><p>oh ok, i didnt mean OEM pulleys. what i mean is underdrive pulleys are designed to drive a cars accessory ( alternator, water pump, power steering and etc ) at a slower speed... this reduces the engines parasitic drag in turn increases engine HP and torque...</p><p></p><p>[ATTACH]24577[/ATTACH]</p></blockquote><p></p>
[QUOTE="jep3003, post: 604634, member: 20358"] oh ok, i didnt mean OEM pulleys. what i mean is underdrive pulleys are designed to drive a cars accessory ( alternator, water pump, power steering and etc ) at a slower speed... this reduces the engines parasitic drag in turn increases engine HP and torque... [ATTACH=CONFIG]24577[/ATTACH] [/QUOTE]
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The BMW Range
3 Series
E46
Underdrive Pulleys, Are They Any Good?
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