Q45/MPV Brake Upgrade Sanity Check - Page 3

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  1. #21
    CelicaSupra.com Member
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    Seriously? You don't bolt them on the back of the hub like stock then? I'm such a noob. That's what rsdeo meant by floating disc I guess.

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  3. #22
    CelicaSupra.com Member BillyM's Avatar
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    4x114.3 redrill...

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  4. #23
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    Yes I'll need to do that. But I'm still confused. Where exactly do you machine the hub then if the rotors mount on the front? The rotors appear slip on the front of the hub no problem. I had the back of the hubs machined down when i thought that's where they mount. Obviously that was a waste of money and time.

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  6. #24
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    I think I get it now. The OUTSIDE perimeter of the hub needs to be machined down to fit INSIDE the rotor. Like HatchiRolla did on his brake upgrade. HachiRolla's '83: Ali Post #6. I dropped off my hubs and rotors at the machine shop to do the work again. Ugh. I totally misread and understood the process here. Oh well. Live and learn.

    Correct me if I'm wrong on any of this guys. I'm a little concerned because I had the bore on the inner part of the hub machine down. So will that affect fitment or anything onto the spindle?

  7. #25
    Member HachiRolla's Avatar
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    The bore on the inner part of the hub? Like where the bearings go? Or the bore of the brake rotor where it fits over the hub? Or the center of the hub where the rotor/wheel fits over to center the rotor/wheel?

    Mike


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  8. #26
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    Quote Originally Posted by HachiRolla View Post
    The bore on the inner part of the hub? Like where the bearings go? Or the bore of the brake rotor where it fits over the hub? Or the center of the hub where the rotor/wheel fits over to center the rotor/wheel?

    Mike


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    The bore on the back side of the hub where the stock rotor mounts. I mistakenly though the MPV rotor mounts the same way but learned from you and others that the rotor slides on the front of the hub over the studs. Like a standard brake disc and like the rears.
    Last edited by Whitey482; 08-28-2017 at 05:55 PM.

  9. #27
    Member HachiRolla's Avatar
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    Understood. Can't imagine that would cause any issues. Share pictures and progress!

    Mike


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  10. #28
    CelicaSupra.com Member BillyM's Avatar
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    It keeps you from using centering rings to keep the disc centered, otherwise no big deal...

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  11. #29
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    Quote Originally Posted by BillyM View Post
    It keeps you from using centering rings to keep the disc centered, otherwise no big deal...

    --billyM
    The front part of the hub where the rotors slide over is untouched. I actually told the machine shop to make me a spacer so that the rotor is hub centric and centered.

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  12. #30
    CelicaSupra.com Member BillyM's Avatar
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    LOL, hub centering rings for the one pair of rotors, since new rotors will be the standard diameter.

    Expensive mistake, methinks...

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