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    Best oil for 9R gearbox

    I used Royal Purple 75W90 and 75W90 full synthetic Valvoline. There are many for sale, I can not say exactly, I have seen Redline also
  2. F

    Best oil for 9R gearbox

    I did not realize I copied in Spanish what he meant I know that oil is good for a gearbox 9R, I broke two gearboxes HC so will install one 9R now, sorry, my english is poor, greetings from Chile.
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    Best oil for 9R gearbox

    Hi, I'm from Chile, I would help in this international forum. I broke two gearboxes HC in my gc8 STI 300whp, now I will install one 9R and want to know which oils are good for that, Greetings!
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