Helical LSD manual gear box oil
Posted: Fri May 03, 2013 7:23 am
Hey I'm going to be putting Taz's LSD gearbox in my car this weekend and thought I would change the oil while I was there
I have already done a quick search and found this
I have already done a quick search and found this
So should I be using one of of these oilskhunjeng wrote:edit from me...Bennoz wrote:What about g/box oils for those with LSD?
When an oil is spec'd for LSD use, they mean its appropriately friction modified for clutch LSDs. Most Nissan LSDs for example are viscous coupling (VLSD) which means they use their own internal fluid for the 'lockup'. So for VLSDs it doesn't matter if the oil is specifically rated for LSD use or not - just so long as its API GL5 rated. So you are safe with Syntrax. I'm not sure what type of LSD the FTO uses...
Two good choices:
Castrol Syntrax 75W90 - GL4/5 suitable for both diffs and gearboxes.
Castrol Syntrans 75W85 - GL4 for gearboxes only but tends to give better shifting than Syntrax for gearboxes specifying GL4 fluids such as nissans.