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Old 29-12-2018, 09:09 PM   #1
Junior Member
Join Date: Dec 2018
Location: Sydney
Car: 2002 Mazda 323 SP20
Posts: 2
Gearbox oil... what to go with?

Hi I have a 02 manual 323 sp20 and was wondering what gearbox oil I should go with... the service manual recommends either 75w90 or 80w90 GL-4 or GL-5. I heard that GL-4 would be better on the syncros? I've looked around and found the Castrol VMX-M that is GL-4 for a good price but it is 75w85... will it still be any good and fine to use?


Last edited by HOSkitz; 29-12-2018 at 09:15 PM.
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