attack666

hey guys tried to get mobil 1 for my diff and couldnt find any in my country so i went with this liqui moly:



First question: is this the right oil for my diff? as the posts in s2ki mentioned 75w 90 and thats what i got.

second question: what does the GL4/GL5 stand for?
they had 2 diff. oil this one which is gl4/gl5 and another one only gl5

the salesmen told me that GL5 is thicker and GL4/GL5 is lighter and recommended for my S..GL5 is for 4wd cars..is he legit or?


i still havent done anything..just want to double check before using this product

so let me know if i should go for it.

Jsmply

Technically the s2000 takes a straight 90W as its recommended oil, but many have run the Mobil1 75W90 without a problem. Are those the only two gear oils they offer?

Have you considered ordering it online? www.hardtopguy.com He sells LE607 which is probably the best stuff you can use as long as it does not get extremely cold in your climate. In which case I think most opt for Mobil1.

attack666

its always hot here. so what this isnt the right oil?

attack666

Bump...

vishnus11

If I were you, and if you don't live in a cold climate, then go back and exchange the GL4/GL5 fluid that you bought for something that is a straight GL-5. This is what honda recommends. A GL-5, straight 90W. The only issue with this is that if temperature regularly dip into the teens in your area during the winter, I would be "wary" of using a straight 90W and instead would go to a 75W-90.

For summer and track use: GL-5 approved Straight 90W like LE607
For winter use: GL-5 approved 75W-90 like Mobil1. Many have used Mobil 1 on these forums and have had no problems.

attack666

i live in a hot climate..usually 35-42 celsius dont know how much is that in degrees.

winter is a month away and its usually near 10C maybe 8C..

im not tracking my car or anything..just a regular daily use S.

so should i go back and exchange it with a straight 90?

PS. the GL5 bottle they got its written 75w 90 on it. is it a straight 90 you talking about?

SpitfireS

Straight 90 weights are just that: SAE 90.
No SAE 75W-90.

The whole discission about temperature and using a straight 90 weight in the diff being to thick is based on assumptions alone.

There are no proven diff failures due to "thick" oil in the diff during colder outside temps.
Even RoadRage made that assumption by mentioning "Arctic use is out for LE-607" even after saying that the pour point of LE-607 is lower then all the straight 90 weights he had ever seen.

Honda does NOT recommends anything else but a straight 90 weight for the diff, regardless of the outside temperature.
Remember, even when its cold outside your diff will get warm, if not hot.
The hypoid, high offset, final drive gears generate a lot of heat.

To the OP: if there is nothing else available I would get the GL-5 version of the oil you mentioned.
You don't have to stop driving the car or change it out immidiately.
For best (and Honda recommended) protection of your diff a straight 90 weight is what you need.
If possible buy the LE-607 (if that's still available) online.
Honda Marine makes a straight SAE 90 GL-5 oil, for use in outboard motors.
Its worth asking if there is a Honda Marine store / workshop around.

INDYMAC

I think your options are probably minimal in Bahrain. So if those are your only two choices, then go with the 75W90 GL5. That one will work better for hypiod differentials because they have a greater EP additive package than the GL4/5. The GL4/5 oil is designed for transmissions.
I also think that we need to clear up what the recommended gear oil for the S2000 in the differential should be now. It would be nice if Road Rage could return and give us some advice in that area too. As many know, SAE 90 GL5 hypoid type gear oil ain't what it used to be. Yet Honda has not updated the owners manual to reflect this change. So, if you want to shop for a recommended gear oil on today's market and viscosity standards, do you ask for SAE 90 or SAE 110 gear oil? I think I'll ask for SAE 110.

attack666

I can get my hands on a straight 90. should i get it?

or exchange what i got for a GL5?


Final question: GL5 or Straight 90?

I ask alot, i just want to do the right thing..thanks guys for the replues

Jsmply

Actually, you are a little off. You want a Straight 90 weight that is ALSO GL5. Straight 90 is the viscosity of the oil . . . GL5 is the type of oil standard (refers to additives and other things I agree).

Don't worry about asking to many questions, thats what we are here for. Consider buying an s2ki membership to give back to the community . . . I know the knowledge and help I get on here is worth far more than a small annual contribution.

To summarize, you want a SAE 90W that is GL5.