2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums banner

mtl

  1. Transaxle Fluid: Can I Use Red Line MTL?

    2014-2018 Mazda 3 Skyactiv Engine and Performance
    I changed my oil at 5k, and asked the dealer parts department whether I could use Red Line MTL (searchable on Amazon by typing in "Red Line 50205 MTL 70W80 GL-4 Gear Oil"). I was far from inspired by their confidence levels. The response was not confidently affirmative. Is this a good...
  2. Why are people (you) using Redline's MT-90 when their app guide recommends MTL?

    2010-13 Mazdaspeed 3 Engine and Performance
    I'm going to be changing my gear oil and am curious why it seems if someone is using Redline why they are using MT90 (75W-90) over Redline's recommendation to use MTL (70W-80) which would have a closer viscosity to Mazda's spec of 75W-80. Thanks for your input!
Top