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Thread: Would a MZR Valvecover swap onto a MZ3 head?

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    Jr Member Mty Mous's Avatar
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    Default Would a MZR Valvecover swap onto a MZ3 head?

    I was sooo excited when I got the Red Mazdaspeed3 Oil filler cap, but was quickly let down when I realized its not gonna work due to the MZ3 valvecover not having the threads for the oil filler cap.

    So I'm wondering if the MS3's Valvecover is a direct swap onto the M3's head?

    Anyone know?

    Yes I know ... I'm really for going to all this trouble for a stupid oil filler cap!


    -Thuwa

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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    its not and ill give you $5 for that cap

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    truckin' low
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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    Its different... I would love the cap too lol.

    Streetunit makes a nice red one

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    Jr Member Mty Mous's Avatar
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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    No? Dammit!

    Well, if you guys are serious about buying it, gimme a serious offer.
    http://www.streetunit.com/MAZDASPEED..._p/su8ml02.htm


    Its literally brand new, I ripped open the bubble wrap to notice that it has the threads on it and was like "F me!"

    Worse case scenario I'd just use it on the Miata, should go nicely with the powdercoated valve cover too.

    Its a shame too, its a nice solid piece with some weight to it!

    StreetUnit eh? hmmm ... gotta look em up and see what they got for the MZ3.

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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    holly FACK $80 USD
    MOT has them for a fraction of the price
    but i got like 4 of them here haha
    they make nice paper weights

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    Jr Member Mty Mous's Avatar
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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    Yup ... I didn't pay anywhere near that ... but I was like when I saw that on the StreetUnit website.

    I picked mine up at Scarboro Mazda when they had their Mazdaspeed day last weekend.

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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    I saw someone who did it on an 04-05 on the US board... it fits but he had to do some grinding and stuff to make it work

    but for an 06-09, it should go on easier since it uses the same coil packs


    oh and ALL of the engines in the 3 are MZRs
    2005 Mazda3 SP23 hatchback (auto)
    2016 Mazda3 Sport GT (auto)

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    Jr Member Mty Mous's Avatar
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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    All engines are MZR's? Serious? Damn ... wonder why I was thinking MZ3 and MZR for the M3 and MS3?

    Okay, I'm gonna try this swap and see ... my next mission is to find a used Valve cover. Anybody got a blown MS3 engine lying around and wanna sell me their valvecover?

    This may sound strange, but does anyone have pics of their Mazdaspeed3 with the plastic engine cover ON and OFF the valvecover? I wanna see what the differences are from mine ('07 GT) ... atleast in overall appearance.

    All this for a dumb lil Oil Cap ... gawd ... why couldn't I be into an easier hobby like collecting cards or something?
    It'll sure look nice when its done tho.

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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    http://www.streetunit.com/StreetUnit.../suaocmaz1.htm

    Cheaper and easier... but its not a Mazdaspeed

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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    Let me know Thuwa if you want to grab the SU cap. I get a good discount through them.

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    Jr Member Mty Mous's Avatar
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    Default Re: Would a MZR Valvecover swap onto a MZ3 head?

    Hmmm ... that WOULD save me a lotta headaches ... wonder if I can rub that sticker off and put a Mazdaspeed one on? Definitely worth a consideration.

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