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Thread: Wheel spacers?

  1. #11
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    Quote Originally Posted by cyclopathic View Post
    I have used spacers in the past to improve handling. 5mm spacers made a big difference in that case. 1"/25mm will have huge impact on scrab radius and reduce grip. As is Mirage is well balanced, and with minimal changes capable of 4-wheel drift good luck.
    Well balanced? You mean inmense body roll, non existant brakes and atrocious weight distribution? Good lord I love this little car but my yaris feels like a porsche gt3 compared to it.



  2. #12
    Senior Member MightyMirageMpg's Avatar
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    no he's speaking of scrub radius, the distance from the center of the tire too where the tire pivots on the ground.

    if the scrub is too large you will loose grip everytime you turn the wheel.

    you don't want the centers too align, either, which i really don't understand why.....?

    wheel spacers directly affect this, as well as your Ackerman angle, increase steering jacking and, well... everything else

    long story short don't use 1" spacers

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    Quote Originally Posted by MightyMirageMpg View Post
    no he's speaking of scrub radius, the distance from the center of the tire too where the tire pivots on the ground.

    if the scrub is too large you will loose grip everytime you turn the wheel.

    Yes but wider wheels and larger tires would also have the same effect.

    you don't want the centers too align, either, which i really don't understand why.....?

    wheel spacers directly affect this, as well as your Ackerman angle, increase steering jacking and, well... everything else

    long story short don't use 1" spacers

    Yes but wider wheels and larger tires would also have the same effect

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    Moderator Eggman's Avatar
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    Cool.

    Wikipedia - Scrub Radius

    Learned something new today.

        __________________________________________

        click to view fuel log View my fuel log 2015 Mirage ES 1.2 manual: 49.6 mpg (US) ... 21.1 km/L ... 4.7 L/100 km ... 59.5 mpg (Imp)


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    Quote Originally Posted by Caramanos2000 View Post
    Yes but wider wheels and larger tires would also have the same effect
    No they would not, unless the effective offset is changed.

    Wider wheels and tires will add too the jacking effect, though

    Unless you know a significant amount about suspension design, or have a large sum of money too play with, it's usually safe to assume factory is best and try too keep the factoryy specified effective offset. (EG: switch from a 7" wide 3.5" backspace too a 8" wide 4" backspace rim)

    Obviously this isn't always possible but there is no sense in destroying the suspension geometry if you don't have too

    Small changes, like cyclopathics 5mm are no big deal and unless you drive on the edge and are really an in-tune driver, chances are you won't even notice it but when you start making perspectively huge adjustments (1" is likely 100% +/-increasee) your begging for ill effects
    Last edited by MightyMirageMpg; 07-10-2016 at 12:40 PM.

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    I bought and installed the 1 inch wheel spacers that Top_fuel recommended into my mirage. Works fine and definately pushes the tires closer to the fender on all four corners. Doesn't have any rubbing or any issues at all.

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    My snow tires are mounted on wheels with 8mm less offset and i can detect a fair amount of torque steer with them. I've never noticed any torque steer with the stock tire/wheels.



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