What Oil For Engine And Gearbox

[pos513]

Hey currently running 10-40 semi synthetic penrite, done 5000km and still honey clean.

Gearbox using vtx castrol 70-90 but thinking of changing to Penrite sin 75-85.

Seems like an ok combination? Does nissan sell genuine oils for at least the gearbox?

What a good oil to use? Mainly interested in gearbox oil.

[eugen_syd]

Hmmm I use MOTUL synthetic at UNIQUE MOTORSPORTS recommandation. Never failed me! Do you want the specs?

Eug

[34GeeTeeTee]

I was about to ask the same question about 34 Gearbox oil, but mine is a little more troublesome. After some hardcore dyno work i noticed 4th was an issue, later followed by bearing type noises in 2nd & 3rd gearshifts and also sometimes at idle.

Some damage is obviously present on 4th, whether its glazed of not i dunno, but i want to know what it that "good oil" you hear about when somebody mentions a few box drama's?

Need to know ASAP as the car is not being driven at the moment.

[Birds]

Just get it fixed Matt...a heavier viscousity oil (85w140) may silence the problem for you, but it will come back in 5-10,000km and may cause even more damage by then. Sounds a bit like a cluster bearing to me.

[34GeeTeeTee]

Just get it fixed Matt...a heavier viscousity oil (85w140) may silence the problem for you, but it will come back in 5-10,000km and may cause even more damage by then. Sounds a bit like a cluster bearing to me.

Yeah, i know what you are saying... But i need to keep it going till the $$$'s are available. I might try the Redline Shockproof stuff and see what happens?

[Birds]

Just use a wider viscousity range first, that should provide the biggest difference in silencing it rather than the type of oil used in it.