Transmission & Diff Oils

[TUFF_350]

I hit the search button,

but it seemed to bring up only automatic gearboxes using J-Matic or something the rather? Please can i have some suggestion as to what i should use for a 6spd manual oil and also diff oil? Thanks in advanced.

[Kam-80]

Whatever you use, make sure you've got a GL4 oil for your gearbox and a GL5 for the diff. Personally I like Redline MT90 as it stands up to a lot of track days, but can be a bit thick in Winter. MTL is good for street-use. Didn't rate the Nulon stuff and currently running Castrol Syntrans, which isn't too bad but I haven't been using it for very long.

I have a 1.5-way diff so I use Motul competition oil, 75w130 weight or something.

[FlyingEL]

I have change my Manual box oil recently. You can try Motul Gear 300. It can be used for both box. I was recommended Royal Purple for my gearbox, by this autobarn guy, as they ran out of Motul. I can say not totally happy with the purple. It's works ok after a few km during early morning cold start, but during the 1st set of traffic lights I pull up. Always have difficulty put it into 1st gear, sometimes 2nd gear too. After the oil has warm up, then It do feels very smooth. I have yet to change my Diff oil, so I guess you can try some other and we'll see how. The purple does seems to be much thicker than the old oil I took out. Quite a lot of metal filing can be seen from my old oil, but maybe the oil got so old that it has thin out. It's recommended by nissan to putting 75W-80 for gearbox and 80W-90 for Diff. The Royal Purple and Motul are both 75W-90.

[TUFF_350]

Thanks for the fast reply guys,

i changed the motor oil as soon as i got the car few weeks ago but never even thought of doing diff and trans till i spoke with a fellow SAUer last friday. I drive maybe 10kms per day if that, pretty clean run with barely any stop/start but id rather be safe then sorry

[TUFF_350]

Now regardless if your a Nulon fan or not,

this is a good guide to use: http://www.datateck.com.au/lube/NulonAus/default.asp

Just specify car, nissan, then i went for 350z and it lists in categories ie motor, trans etc which oil you should use.

Edited June 29, 2010 by TUFF_350