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Best 4AT Gearbox Oil ?

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Old 09-02-2009, 06:34 AM
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Best 4AT Gearbox Oil ?
Hey guys .. sorry for repost if there is any similiar topic ..it seems that i cant find anything abt best oil for our 4AT gearbox..Any best brand ? best oil ?

Planning to use Motul gearbox oil for my rx8..Can anyone give me advices?
How many litres do i need ?

Thankssss!!!
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Old 09-02-2009, 10:46 AM
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For a flush at the Mazda dealer they used about 12 quarts. I use Amsoil based on advice from a couple different knowledgeable people. I went to synthetic because of track use. If you are not tracking, autocross, etc, I think any name brand trans fluid would probably be fine.
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Old 09-30-2009, 05:27 PM
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I used Royal Purple 75W-90, and so far its been very good...
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Old 10-01-2009, 12:17 AM
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I don't think you want to use 75W-90 in the automatic tranny, that is a gear oil weight.
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Old 10-01-2009, 01:04 AM
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**** sorry I meant i used it in the Diff...
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