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Which power steering fluid and manuel gear oil?

6.7K views 11 replies 6 participants last post by  Red Raspberry  
It all depends on your climate but this is a good one also.
I use engine oil 5W30 in one car that has an oil spec of 85W90 to improve sift speed and it's fine with the torque load.
There's brass in some manual tranny. Might F up the brass fittings.