I know this question has been reviewed and answered 1 million times before, but I couldn't find any threads pertaining it. Its about synthetic tranny oil. I now have 106,000 miles on my car, and am thinking of switching to either Redline MT-90 or Amsoil tranny fluid. Is this bad for the car or should I do it? Opinions? Thanks.

 

at over 100k, you may 1st want to try using regular tranny oil.