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5-speed gear oil

15929 Views 17 Replies 13 Participants Last post by  fitfors2k
Has anyone used amsoil 75w90 gear oil in the 5-speed tranny? What is
different or special about Honda manual transmission oil? :D I understand the amsoil gear oil increases fuel mileage.
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personally coming from a honda enthusiast background and in my s2000 i've been using gm synchromesh fm, and i have a 2000 w/ 181k that has the 3-2 downshift grind. it didn't help the grind at all but it shifts smooth and quick.

anyone have experience with gm synchromesh fm
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