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Harley-Davidson™ F-150
Boost and pulley size of HD F150
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<blockquote data-quote="airtroop01" data-source="post: 853489" data-attributes="member: 13489"><p>Yup, the harley blower has a larger pulley, hence roughly about 2lbs less boost than a lightning. If he stays with the stock tune (meaning no chip), then I wouldn't recommend anything larger than a 2-4lb lower pulley (JLP, LFP, etc would all do). Swapping out the upper pulley isn't worth the work, when you can pulley the lower with more than enough boost to keep you satisfied. Plus, you get the advantage of less belt slip due to the larger surface area around the blower pulley.</p></blockquote><p></p>
[QUOTE="airtroop01, post: 853489, member: 13489"] Yup, the harley blower has a larger pulley, hence roughly about 2lbs less boost than a lightning. If he stays with the stock tune (meaning no chip), then I wouldn't recommend anything larger than a 2-4lb lower pulley (JLP, LFP, etc would all do). Swapping out the upper pulley isn't worth the work, when you can pulley the lower with more than enough boost to keep you satisfied. Plus, you get the advantage of less belt slip due to the larger surface area around the blower pulley. [/QUOTE]
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Harley-Davidson™ F-150
Boost and pulley size of HD F150
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