Oils and Numbers

Submitted: Thursday, Mar 25, 2004 at 21:16
ThreadID: 11556 Views:1154 Replies:4 FollowUps:5
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This question is directed at Russell from Synforce but if some one else knows the answers than type away.

We all know the difference between a XD9000 and a TX3400 but what are all those letters and numbers mean?
15w/50, 20w/50
75w/80 GL4
CH4, CG4
Ash can I get it from the camp fire if I run low on a trip, and what about this detergent. Can it be used for the washing up or only for the motor.
Who ever answer, please keep it as simple as possible, some of us were up late last night.

Wayne
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Reply By: Member Colin - NSW Bungendore - Thursday, Mar 25, 2004 at 21:46

Thursday, Mar 25, 2004 at 21:46
Wayne
"We all know the difference between a XD9000 and a TX3400"

No - I don't !
I use Valvoline Gold 20/50. It has a moderate level of detergent - this keeps the dirt from the moving parts - I think oil for diesel motors have a higher detergent level?

My understanding is -
The Nos. refer to the viscosity or stickyness of the oil at different temperatures - if we lived in Antarctica we may use a No 10 oil?
The letters after - SG/SI etc refer to the SAE (engineers) standard that the oil meets.

A quick Google search gave me too much data - but this may help.

"Engines need oil that is thin enough for cold starts, and thick enough when the engine is hot. Since oil gets thinner when heated, and thicker when cooled, most of us use what are called multi-grade, or multi-viscosity oils. These oils meet SAE specifications for the low temperature requirements of a light oil and the high temperature requirements of a heavy oil. You will hear them referred to as multi-viscosity, all-season and all-weather oils. An example is a 10W-30 which is commonly found in stores."
AnswerID: 51971

Reply By: Member - StevenL - Thursday, Mar 25, 2004 at 22:39

Thursday, Mar 25, 2004 at 22:39
"We all know the difference between a XD9000 and a TX3400"

Hey Wayne, do you copy? I'm a bit stuck and the XD9000 is on the blink - can you give me a pull out!

Do I have it right????
AnswerID: 51992

Follow Up By: Wayne (NSW) - Thursday, Mar 25, 2004 at 22:47

Thursday, Mar 25, 2004 at 22:47
Steven,
I would like to see a XD9000 under the dash of a new Prado. They could fit it when the dash is re tighten.

Wayne
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Follow Up By: Member - StevenL - Thursday, Mar 25, 2004 at 22:54

Thursday, Mar 25, 2004 at 22:54
Why would you fit a XD9000 under the dash (apart from holding the dash together)?????? Would it not be more useful mounted to the bullbar?

Steven
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Reply By: Martyn (WA) - Thursday, Mar 25, 2004 at 22:56

Thursday, Mar 25, 2004 at 22:56
Wayne,
I think that the W is "weight", as in viscocity, in the industry we refer to an oil as a 32 weight or a 10 weight I may be way off but that seems to fit, the CH and the GL codes refer to international standards so there is some comparrison, when I was asking Nissan about which oil the only concern was use oil that met the standard, brand didn't really come into it. That's why some companies say as long as it meets the "meets and exceeds the standard. Hope I'm right.
Keep the shiny side up

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Follow Up By: RLNOMAD - Thursday, Mar 25, 2004 at 23:43

Thursday, Mar 25, 2004 at 23:43
So Martyn ...or someone ..please explain...in simple terms..
I have been using in my 2001 3LT Turbo GU Patrol
Valvoline Super Diesel Oil.
SAE 15W-40,
API CH - 4/SJ , ACEA E3 , E5 , A3 , B3.
does this meet the Nissan standards..they say for the 3LT in Australia
API CD , CE , CF , CF-4,
and to never use API CG-4..
To me this seems like they are saying to use a lower grade oil..
All this is very confusing to just a simple man like myself....
So please someone explain..

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Follow Up By: Russell from Synforce Lubricants - Friday, Mar 26, 2004 at 11:16

Friday, Mar 26, 2004 at 11:16
hy guys, rather than spend hours here today on numbers, letters etc, please go to our web site and to our technical page for links to various fact sheets on this and other subjects.
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Follow Up By: Member -Bob & Lex (Sydney) - Friday, Mar 26, 2004 at 17:16

Friday, Mar 26, 2004 at 17:16
RLNOMAD , it's fine in you Nissan
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Reply By: Martyn (WA) - Friday, Mar 26, 2004 at 22:10

Friday, Mar 26, 2004 at 22:10
Wayne,
If you don't find a satisfactory answer or you want to hear it rather than read it BP have a good lubes line that will answer all your queries. When I'd been through the process I then got it in writing from Nissan that what I'm using is ok and doesn't effect the warranty, just because of all the issues with the 3.0 litre turbo. I use the bp Vanellus C6 plus which I've confirmed is ok, not as easy to find as the standard bp Vanellus C6. And yes I am affiliated, sorry but someone has to work there.
Keep the shiny side up

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