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Thread: Gearing calculator

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  1. #1
    Join Date
    Jan 2006
    Location
    Seattle-ish
    Posts
    1,473

    Default Gearing calculator

    I came across a gearing calculator that might interest some of you. It's not great for doing comparisons, but it does output a very nice visual that shows pertinent information in one view. https://www.blocklayer.com/rpm-gear.aspx

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    -John
    '95 Westfield SEiW w/2.0L Duratec
    '68 Lotus Elan FHC
    '91 Miata w/Flyin Miata suspension & brakes
    '95 Porsche 993 C2
    '86 Porsche 944 turbo (neglected project car)
    Throttle Steer

  2. #2
    Join Date
    May 2018
    Location
    Albany, NY
    Posts
    378

    Default

    Thanks.

    I run out of gearing at about 120mph or less

    3.62 rear diff
    1:1 6th
    225/45/13
    ~7300rpm redline


    My rear tires a little small overall diameter but these are the best I can get from Toyo.

    Avons will be better fitted.
    2001 Caterham Superlight R

  3. #3
    Join Date
    Jan 2018
    Location
    Northern Virginia
    Posts
    19

    Default

    Quaife has a good one on there web site. It lets you compare different transmission gears, rear end gears, and tire diameters. It has a bunch of pre loaded configurations for its transmissions and specific tires as well.

  4. #4
    Join Date
    May 2018
    Location
    Albany, NY
    Posts
    378

    Default

    There is also this you can download with ease

    https://locost7.info/gearcalc.php?fb...Pi0PefApeT9JlY
    2001 Caterham Superlight R

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