MT-90 from Redline

redline727

I just used redline mt85 for my trans and redline 75w90 for the diff and find the mt85 pretty good for me here in Richmond VA. We get all 4 seasons but not real harsh in any particular season either. I maybe put 5k on my car a year so I do quarterly oil changes and yearly trans and diff changes just bc it's cheap and don't drive far. @ Zbro16 and at 30k to have black diff fluid is pretty common especially with the LSD. If you drive your car hard I would def get yourself on a more frequent interval especially if you track your car bc I'm pretty sure at the 30k interval it's gonna be pretty dark regardless the brand of fluid you get

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