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Thread: Supercharger Speed Calculator?

  1. #1
    Junior SCH Member
    Join Date
    Aug 2004
    Posts
    36

    Supercharger Speed Calculator?

    Hey all, is there an updated vortech supercharger speed calculator that has data for vortech V2 SQ and Cog pulleys?

    I need to calculate for a 351 windsor.

  2. #2
    SCH Moderator BLOWNBY's Avatar
    Join Date
    Mar 2004
    Posts
    1,380
    Pretty sure it is

    RPM x Crank teeth x 3.6 / SC pulley teeth

    6,000 * 77 8 3.6 / 33 = ~ 50,400

    3.45 is the step up ratio on the older style gear sets.
    351 "stockshort block": -Vortech T-trim (21 psi), Trick Flow Heads, Lunati Cam, Weldon fuel system, Lentech AOD., 3.55 gears, 27" Hoosier QTP's, 3500# with me

    -545 rwhp
    -10.02 @ 135mph---Is 9.99 to much to ask?:freaks:
    -1.42-- 60'
    Quote Originally Posted by regattacoupe
    Since when do they let Homo's with 700rwhp that run 11's be a SCH mod? :shocked: :obscene: :D

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