Roots Blower Tech Q's

Discussion in 'System One Pit Buzz' started by 47Hemi, Aug 5, 2017.

  1. 47Hemi

    47Hemi New Member

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    I need a little clarification, I get the standard vs Hi-Helix rotors 60 vs 120. But I'm curious about the case, looking to update superchargers and my rules state 8-71 standard case and standard rotors. So when it says standard case is the rule implying that I must have a full opening?
     
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