FlrSupra Posted July 5, 2010 Share Posted July 5, 2010 I`m taking my Supra -94 manual N/A to diff oil change to Toyota among other things. Everything else is clear, but I have one question in mind. They are commonly using 75w90w gear oil to the gearbox and some 75w90w oil with some "extra ingredient" to use in diff oil. Is there any danger they don`t know what they are doing? Quote Link to comment Share on other sites More sharing options...
dr_jekyll Posted July 5, 2010 Share Posted July 5, 2010 extra ingredient? i just use the same 75-90 thats in my box Quote Link to comment Share on other sites More sharing options...
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