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similar question to the original post here: i'm sticking with the stock engine oil but want to try synthetic in the trans. i believe i saw one member on this forum mention using 0w-30 synthetic in their VX trans and were happy with it but wanted to confirm that. i ask because i know that many older, pre-synthetic transmissions will only tolerate synthetic gear oils that are classified as 'NS,' which means 'means no friction modifiers,' but i don't know if that classification or one similar applies to synthetic engine oils.
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