My 2009 RX8 R3 has 28k miles on it and i wanted to go ahead and do some early servicing.
I changed out the differential fluid with my personal favorite gear oil, Valvoline Synpower 75w90.
http://s1289.photobucket.com/user/donnyj08/media/S2K/photo55_zps0155d960.jpg.html?sort=3&o=1
I also changed out the transmission gear oil with Motorcraft Manual Transmission Fluid.
this fluid is a GL-4 75w90 and it has some very impressive specs. It's not cheap, but ive never felt such buttery smooth shifting. i picked up the fluid pump from advance and it made life so easy, best $10 ive spent in a while.
http://s1289.photobucket.com/user/donnyj08/media/S2K/photo56_zps93481b9d.jpg.html?sort=3&o=0
I changed out the differential fluid with my personal favorite gear oil, Valvoline Synpower 75w90.
http://s1289.photobucket.com/user/donnyj08/media/S2K/photo55_zps0155d960.jpg.html?sort=3&o=1
I also changed out the transmission gear oil with Motorcraft Manual Transmission Fluid.
this fluid is a GL-4 75w90 and it has some very impressive specs. It's not cheap, but ive never felt such buttery smooth shifting. i picked up the fluid pump from advance and it made life so easy, best $10 ive spent in a while.
http://s1289.photobucket.com/user/donnyj08/media/S2K/photo56_zps93481b9d.jpg.html?sort=3&o=0
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