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    Mobil 1/ 5046 miles /2007 Mazdaspeed3

    Originally Posted By: MCompact Originally Posted By: Tater I guess this is a matter of contention on MS3 forums so I'll just lurk and figure out which I will use. What Mazda forum are you talking about? http://www.mazda3forums.com I figured it out. My dealer was filling with 5W-20 and the...
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    Mobil 1/ 5046 miles /2007 Mazdaspeed3

    I guess this is a matter of contention on MS3 forums so I'll just lurk and figure out which I will use. Thanks for the response.
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    Mobil 1/ 5046 miles /2007 Mazdaspeed3

    I hope my first post didn't sound snotty. I was just wondering since it seems like lots of Mazada 2.3L DISI owners are using 30W instead of 20W. Perhaps I'm missing something.
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    Mobil 1/ 5046 miles /2007 Mazdaspeed3

    Yep, pretty sure it's turbo charged. 2007 just like the OP.
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    Mobil 1/ 5046 miles /2007 Mazdaspeed3

    Is there a reason you are using 5w-30? I am using 5w-20 in my speed since the manual calls for it.
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