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5w20

  1. 2010-2013 Mazda 3 Engine and Performance
    So question for the engine guru's out there...I know that the Sky engine requires 0W-20 from Mazda and in Mexico they say 5W-20, is there a specific reason for this or is it just the heat factor ? reason being I have 5 qts. of MOBIL 1 on the shelf gathering dust. I've used the Mazda oil, ENEOS...
  2. New Member Introduction & Forum News/Guide
    Hey Guys/Girls, Well here is my story - i owned an rx8 for 6 months, and went broke on fuel bills, had to sell that gas hog, bought a nice skyactive sedan 2012 - I just did first oil change last night, used Penzoil Ultra 5w20 oil, it runs so smooth.start up does not sound like a lawn mower in...
  3. 2004-2009 Mazda3 Discussion
    I'm looking for information from Mazda 3 2.3 owners who have run 5W-20 in their cars. Please let me know if you've had any problems running 5W-20. Preferably people with high mileage cars. Mazda recommends regular 5W-20 oil for the 2.5 in my Mazda 3 S. I plan to keep the car for over 100k and...
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