What is so different about Holley's 4150 "HP" series as opposed to the other Holleys? Pros? Cons? I was just paging through an old Summit catalog, and noticed they cost nearly twice as much.......I can't seem to find a definitive answer on the internet either.......
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Thread: Holley question
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12-06-2010, 10:35 PM #1In your face, Space Coyote....
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Holley question
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12-07-2010, 08:23 AM #2Erect Member.
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The HP come with notched floats, jet extensions, adjustable air bleeds, stainless throttle plates and 4 corner idle. Not sure if a non-HP has some of that or not.
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