MR2 2001 which fluid

Messages
9
Location
Boston
Has anyone had any experience with fluid for an MR2. I am considering Redline but do not know if I should go with MTL or MT-90. Any advice is welcome.
 
Messages
47,788
Location
Everson WA - Pacific NW USA
I believe the call out is GL4/GL5 75W-90 or 80W-90. I recommend this: MTG For Redline I believe the MTL would work, but is on the thinner side, vs. the Toyota requirement. MT-90 probably comes closer, vis wise.
 
Messages
5,013
Location
VA
Why would you "not" use your other 75-90's? What is the difference in a GL4 vs a GL5?
 
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