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Thread: Holley Jets, WHAT the heck???
          
   
   

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  1. #2
    R Pope is offline CHR Member Visit my Photo Gallery
    Join Date
    Jun 2005
    Location
    Eston
    Posts
    2,270

    Measuring Holley jets doesn't really tell you anything, because two different #'s might have the same bore diameter. The change comes in how the entrance is radiussed as well as just drill diameter. I can recall stories of guys drilling jets slightly bigger, and actually leaning the engine out more, due to imperfections slowing the flow.
    Slightly rich mix won't lose any power anyway, just burn more gas.
    Last edited by R Pope; 07-04-2007 at 05:00 AM.

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