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gearbox, transfer and diff oil
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Author:  Ridge [ Tue Nov 03, 2009 3:51 pm ]
Post subject:  gearbox, transfer and diff oil
Im looking at doing a full oil change in everything.

Just wanted to see what oils people are using. I've been told 80w/90 or 75w/90 for the diffs is ok. for the transfer castrol vmx 80, could i also use this in the gearbox too?

I've also been recommend to mix some moreys in with the transfer and gearbox, does it really make a difference?

sorry if this has been asked 123144223 times before, just trying to get a straight answer.

cheers andrew
Author:  Rusho [ Tue Nov 03, 2009 4:13 pm ]
Post subject:  Re: gearbox, transfer and diff oil
I did mine not so long ago and used 80/90 in the lot
Author:  Ridge [ Tue Nov 03, 2009 4:16 pm ]
Post subject:  Re: gearbox, transfer and diff oil
ill get a drum of the 80/90 then, thanks rusho
Author:  303zuke [ Tue Nov 03, 2009 4:19 pm ]
Post subject:  Re: gearbox, transfer and diff oil
Yes, you're pretty much on the right track. Ordinary Gear oil is what is intended for the Diffs, Gearbox and transfer. One oil will do the lot, which means you can save a bit of $$$ by buying a 20l drum and getting a few oil changes out of that.

IF you want to go to better performing oils, yes VMX 80 can be used in both the Gearbox and Trans case, but must not be used in diffs. Limited slip gear oil is much better for diff gears, but cannot be used in gearboxes which have bronze synchros (ie Suzuki g/box and Trans).
Author:  SuziBlu [ Tue Nov 03, 2009 5:35 pm ]
Post subject:  Re: gearbox, transfer and diff oil
For a little engine like suzis have, they need every help you can give them.

Redline oils, the only way to go.
Author:  zooker [ Tue Nov 03, 2009 7:48 pm ]
Post subject:  Re: gearbox, transfer and diff oil
I use Castrol VMX80 in gearbox, transfer and diffs.
Author:  jimbo_jones [ Tue Nov 03, 2009 8:00 pm ]
Post subject:  Re: gearbox, transfer and diff oil
80w90 is what I use if you have a km on your transfer and gearbox I would use the vmx 80 but dont put it in the diffs they dont recomend runing it in the diffs
Author:  Ben_Sierra [ Tue Nov 03, 2009 8:01 pm ]
Post subject:  Re: gearbox, transfer and diff oil
303zuke wrote:
Yes, you're pretty much on the right track. Ordinary Gear oil is what is intended for the Diffs, Gearbox and transfer. One oil will do the lot, which means you can save a bit of $$$ by buying a 20l drum and getting a few oil changes out of that.

IF you want to go to better performing oils, yes VMX 80 can be used in both the Gearbox and Trans case, but must not be used in diffs. Limited slip gear oil is much better for diff gears, but cannot be used in gearboxes which have bronze synchros (ie Suzuki g/box and Trans).


Why can VMX80 not be used in diffs?

Also what weight LSD oil do you reckon for the diffs?
Author:  303zuke [ Tue Nov 03, 2009 10:38 pm ]
Post subject:  Re: gearbox, transfer and diff oil
Ben_Sierra wrote:
303zuke wrote:
IF you want to go to better performing oils, yes VMX 80 can be used in both the Gearbox and Trans case, but must not be used in diffs.

Why can VMX80 not be used in diffs?

Also what weight LSD oil do you reckon for the diffs?

Castrol STRONGLY advise against it. If you want and multi use semi-synthetic oil for both the gearbox, trans and diffs, use Syntrax 75w/90 which is a light, low resistance oil that is reccomended for hypoid diffs. But, being semi-synthetic, it's Exxy.

I use Mobil Lubrite LS90 Limited Slip oil in the diffs. Castrol LSX90 is similar. Great stuff and better as a diff oil than regular 90 gear oil, and I split a 20lt drum with a mate, so it costs about $3.50/lt. And doesn't smell as foul as Gear Oil.
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