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mixing oil brands

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2 replies to this topic

#1 OFFLINE   nrg2brn


    New Flex Member

  • Ford Flex Members
  • 5 posts
  • Region:U.S. Southern Atlantic
  • Location:North Carolina
  • Current Vehicle:2010 ford flex

Posted 06 April 2017 - 06:21 PM

long question short, Ive got 5 quarts of synthetic, which is .5 not enough. can I go the extra .5 quart with a different oil, same viscosity, or does the chemical additives when put together do some crazy voo doo and break each other down? I know, its only 10 bucks, ill buy a quart, but was just curious if mixing brands was really a big deal. thoughts?


also, any help on the flex dipstick? I find it exceeding hard to read. is there a trick to it?





#2 OFFLINE   nocody


    New Flex Member

  • Ford Flex Members
  • 9 posts
  • Region:U.S. Southern Atlantic
  • Location:Fl
  • Current Vehicle:Flex

Posted 12 October 2017 - 01:02 AM

For peace of mind, I would use same brand with same viscosity.



    New Flex Member

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  • Region:Decline
  • Location:Us
  • Current Vehicle:Ford

Posted 26 October 2017 - 08:15 AM

I have mixed before with out issue

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