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Motul Gear Oil

rb25

By rb25,
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rb25 Grand Master

rb25

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Is anyone out there using Motul synthetic gearbox and diff oil? What products are you using specifically and what has been your experience. I am looking at (for the gearbox) Gear 300 75W90, or Motylgear 75W90. What grade oil does the diff use? I am assuming 75/90 too.

I am very happy with the 300V for the engine and thought I would give Motul a go at my gearbox and diff. I DO NOT want to hear about Redline.

I have searched and only found vague information re: motul gear oils.

thanks

-rb25

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Husky33 Veteran

Husky33

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I have Motul gear300 oil in the gearbox. before it i had castrol in there, and i must say the difference was amazing. Alot of the notchiness went, and the gears feel alot smoother. But i'm goin to go for a better gearbox oil on my next change

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redline2003 Community Regular

redline2003

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Hey there mate, I have an S15 which is about to go in for a FULL service(diff, gearbox,brakes, plugs, radiator etc). I went for Motul 8100 XS 5w-40 full synthetic for the engine, Motul Gear300 75-90 for the gearbox and Motul GEARBOX 80-90 mineral for the diff. DO NOT use Motul FF-LSD if you have the stock LSD!!!! I know this sounds very strange but the S15 manual says to use NON-LSD oil for the gearbox and diff(which GEAR300 and GEARBOX are NON-LSD). I think FF-LSD is to be used with lockers and mechanical diffs. Bear in mind you could use GEAR300 for the diff also, i opted not to because the manual states the S15 diff needs 80w90, not sure if i could get away with using full synthetic Gear300... would love to try it for the diff sometime.

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rb25 Grand Master

rb25

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Thanks for the replies guys. I'll reply to this thread after a few hundred kays with the oil change.

Not happy with it.  The cheap s  hit stuff that was in there that was thicker was better.  Or felt better.  Once its warm its ok, but by geebus it takes forever to warm up.

Dave, I had the same problem with the Redline oil, you really had to give the car some stick before the gearbox felt any good or else it was very 'notchy'.

rb25

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