[suzukikid]

Hey all just wondering what oil ya all run in ya transfer case with reduction gearing?

Also what oil people run in there gear boxs?

Cheers

[Rusho]

Castrol 80-90 gear oil in both

[suzukikid]

Cheers bloke....is that the best for both? i looked on the net and it come up with 3 or 4 different ones....

[SierraDan]

That's what I use too.

[Rusho]

More convienient and economical to use the same oil, I use it for my diffs also

[fordem]

Rusho wrote:

More convienient and economical to use the same oil, I use it for my diffs also

Convenient & economical as it may be, you're taking a bit of a chance - differentials usually require an EP or GL-5 oil, some of which can be detrimental to the health of gearbox synchros where a GL-4 is the coorect choice.

If you can find an EP or GL-5 that is safe for use with brass & bronze (so called yellow metal friendly), then by all means use it all around - I use Mobil One 75w90 full synth.

[suzukikid]

how much do both take? all up

[Rusho]

2.1 litres

[Scrawny]

fordem wrote:

Rusho wrote:

More convienient and economical to use the same oil, I use it for my diffs also

Convenient & economical as it may be, you're taking a bit of a chance - differentials usually require an EP or GL-5 oil, some of which can be detrimental to the health of gearbox synchros where a GL-4 is the coorect choice.

If you can find an EP or GL-5 that is safe for use with brass & bronze (so called yellow metal friendly), then by all means use it all around - I use Mobil One 75w90 full synth.

Castrols EPX 75W/80 and 80W/90 can be used in both. The thinner one is recommended for transaxles whilst the thicker is for some car and truck gearboxes

[jimbo_jones]

I have allways run 80w-90 with out any probs

[Aaron]

Check the valvoline website. Will tell you what you need

[fordem]

Scrawn wrote:

fordem wrote:

Rusho wrote:

More convienient and economical to use the same oil, I use it for my diffs also

Convenient & economical as it may be, you're taking a bit of a chance - differentials usually require an EP or GL-5 oil, some of which can be detrimental to the health of gearbox synchros where a GL-4 is the coorect choice.

If you can find an EP or GL-5 that is safe for use with brass & bronze (so called yellow metal friendly), then by all means use it all around - I use Mobil One 75w90 full synth.

Castrols EPX 75W/80 and 80W/90 can be used in both. The thinner one is recommended for transaxles whilst the thicker is for some car and truck gearboxes

You're free to use whatever you chose, however, here's an extract from the Castrol EPX data sheet.

[quote=castrol]The Castrol EPX Gear Oils contain sulphur-phosphorus extreme pressure additives which enable them to withstand high rubbing
speeds and tooth pressures.[/quote]

Sulphur is one of the additives KNOWN to attach the bronze & brass components, and no where in the data sheet did it mention anything about the oils being safe for use with brass/bronze or yellow metal friendly.

From a Mobil One data sheet

[quote=Exxon-mobil]Excellent rust, staining and corrosion protection of copper and its alloys[/quote]

Brass & bronze are alloys of copper, so Exxon-Mobil are being very specific - corrosion protection of copper and it's alloys.

This is the reason I'm using Mobil One - along with the fact that I can feel the difference in the way the transmission shifts.

From Shell Australia on Shell Helix 75W90

[quote=Shell Australia]Protects synchro rings against corrosion[/quote]

I'd use that in a transmission.

[want33s]

Castrol VMX80 for gearboxes(1.3l) and transfers(0.8l). Now called VMX-M


Castrol EPX 80W/90 for differentials. (rear 1.3l) (front 1.5l)

http://www.datateck.com.au/lube/castr_au/default.asp

[suzukikid]

thanks guys!