EP80/90 or EP90 .....

Treworgey 90 said:

GL5 contains additives which degrades bronze bushes in T/F box.
GL4 can be used in both Diffs and T/F box, so that's the best stuff to buy.
GL5 can be used in Diffs, but then you've got to buy GL4 as well.

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Thanks for that Trewie, I was going to ask that too

Cheers trew,

I ended up with GL5 but next time ill know to get GL4.

what do the additives in GL5 do or what are they for ?

they eat thro the syncromesh baulk rings .

wot Trewy sed ^^^^^^^^

the high sulfur content gives the best gear contact protection but does eat yellow metals it not necessary in lrs to have such extreme lubricant in diffs or t/box

but still with lrs to drain **** out with oil regulary

Its about time i gave the Landy a complete oil change.

Im going to do everything, Tbox, Diffs, Gearbox, Engine.

Just want to check this is ok for the Tbox AND Diffs.

Buy Smith & Allan Hypoid Gear Oil EP90 API GL-4 online | Automotive Oil | Smith & Allan

and this for Gbox

Buy Smith & Allan ATF DII (Dexron 2) ATF D2 online | Agricultural Oil | Smith & Allan

This for Engine

http://www.smithandallan.com/prodpage.aspx?id=1899

This seems a pretty reasonably priced place to get it im going to buy 20Ltr barrels so ive got enough for a few changes.

it is a good price,and will do nicely

Perfect.

Cheers James!

Trewey said:

You need GL4 NOT GL5 for the Transfer Box.

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Bugger - used GL5 as stated in the Landy manual:

Cutty Dyer said:

Bugger - used GL5 as stated in the Landy manual:

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GL5 is OK in late LT230, but GL4 safe in all versions.

what would be the difference between early and later ones ?

Trewey said:

GL5 is OK in late LT230, but GL4 safe in all versions.

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Trewey,

Mines a 1997 110; should I drain & replace with GL4?

jamesmartin said:

what would be the difference between early and later ones ?

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no idea, but LR started specifying GL5 as posted above

Cutty Dyer said:

Trewey,

Mines a 1997 110; should I drain & replace with GL4?

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No.

Personally, I'd use GL4 at the next scheduled change though, but that's just me.

theres no difference in metals used ,selector fork and diff fork are the same from the first to last

jamesmartin said:

theres no difference in metals used ,selector fork and diff fork are the same from the first to last

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I was lead to believe that the additives in some GL5 oils can leach the copper from the bronze bushes in the transfer box (where used), on some of the older models. Not drastic but can cause wear over a long period

Williams612 said:

I was lead to believe that the additives in some GL5 oils can leach the copper from the bronze bushes in the transfer box (where used), on some of the older models. Not drastic but can cause wear over a long period

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from what i read, they changed the formula in later gl5 so it isn't so bad on the bronze.... but who knows!

Williams612 said:

I was lead to believe that the additives in some GL5 oils can leach the copper from the bronze bushes in the transfer box (where used), on some of the older models. Not drastic but can cause wear over a long period

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Obviously you couldn't find the ' introduce yourself section' but you found a 2yr old thread ok