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    Question Hub boring resource

    Hi guys...I've found my wheels! But the bore is a tad small, they fit 2005 STi's, which I think has a bore size of 56.15mm, while the MS3 has a bore size of 67.1mm. They are also forged wheels.

    I've also found this:

    Quote Originally Posted by Xerox View Post
    Hey, you never know. Maybe the rim look the same but the bore is different. I'm just warning you before you start taking wheels off. It's probably best to measure it before you start anything.

    I paid $100 to get the bore widened on a C&C (CNC?) machine. It was hard enough for me to find a place that was willing to do it.

    My original thread from almost 2 years ago at M3F if you want to read more.
    http://www.mazda3forums.com/index.php?topic=32306.0
    and

    I had the machining done at a tool & die shop. They don't normally do car wheels but the owner did it for me at $100.00 CAD TOTAL for 4 wheels in his CNC machine. He didn't need to take the tire off so I didn't have to pay for un-mounting/mounting and balancing again. He cut to exactly 68mm so it fits the car perfectly.
    My other option was a wheel shop that commonly does this kind of thing. They would have charged me $150.00 CAD TOTAL for 4 wheels for a lathe machine and they also would have to take the tire off which is extra $75.00 CAD TOTAL for 4 wheels to un-mount tire, re-mount, balance. So total at this place would have been $225.00 CAD TOTAL for 4 wheels.

    Once I got them back I did 2 x prime, 3 or 4 x silver paint, 3 x clear coat to prevent rusting.
    I think the balance is a bit off since they were balanced before they were machined. I will balance them next season.
    I was wondering if John or anyone else have a place to recommend that would bore out all 4 FORGED wheels for me for a good price.

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    Default Re: Hub boring resource

    I think Allen(Simply Tire) has a contact for boring.
    2010 Black Mazdaspeed 3 - Lightly modded

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    Default Re: Hub boring resource

    i think it was mazda kitten who has gold sti bbs', you can pm her where she got it done.
    Don't be an idiot, it's not an M3.

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    Default Re: Hub boring resource

    Thanks guys. I think Mazda Kitten used spacers, which is out of the question for what I'm trying to do here. These babies are 18x8.5"...I'm pushing as it is.

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    Default Re: Hub boring resource

    I had to have hub bore machined because it was too small... is this what you have in mind?
    The STI's are 8" wide but its a high offset so I can work with spacers (5mm fronts/7mm rears)
    I had them done in Mississauga if you need more info let me know


    2004 Mazda3 GT { BLACK MICA / 5MT / GFX pkg / BLACK, RED & GOLD BEEBS }

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    Default Re: Hub boring resource

    Thanks MK...PM sent!

    Anymore info guys? I'm particularly interested in where John/Xerox got his done for $100.

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