One says 5w20, other says 5w30, WHOS RIGHT???

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I know I know. This seems like a very dumb question!!!

I have been reading online alot and now i find my self with a question.

My Lincoln has a Jaguar V8 in it. Now ford owned Jaguar when my car came out. This is where I get confused. My lincoln calls for 5w20 like all other fords. however Jaguars cars with the same AJ-v8 motor call for 5w30. The 04 lincoln calls for 5w20, the 04 S-type jag calls for 5w30.

So do you think ford just put its 5w20 spec on the lincon because its on all there other cars?

Why would Jaguar(The real designer/maker of my motor) recommend 5w30, and ford who owns them, and uses there motors in ford cars call for 5w20???????

I allways follow what the car maker specs for oil weights. and I know either way my motor is protected.

I am good, I use redline 5w20, and there 20wt, is like a 30wt.
I just thought that was intresting
 
What confounds the distinctions is that the 2004 Jag doesn't use the same engine in the 2004 line up. It may be the same block ..but according to Amsoil's application utility, no 3.9 was offered in the Jag on 2004.
 
I suspect Jaguar is far less concerned about CAFE fines than Ford, so if the engines are in fact the same, then my guess is that CAFE explains the different recommendations.
 
The motor in my car, is the same as in the stype, but mine is down sized so the more expensive jag is faster.

I have a 3.9L the jag came in a 4.0L and later a 4.2L

The motor is still the same AJ-V8

Jaguar designed it. the aj-v8 was jaguars fisrt V8 design.

My motor and the s-type motor is the same, just the s-type is a little bigger, and puts out a little more power.


The AJ-V8 was fully produced by Jaguar.

The CAFE sound like a good answer.




to bigbull- I love the LS. My favorite car I have had so far.
 
The Jag is probably subjected to a gas guzzler tax or some penalties anyway. No "fleet" averaging their way out of them. Ford did have incentive to keep it thrifty (albeit in fractional mpg).
 
Originally Posted By: OVERK1LL
It's actually ENGINE, not "motor", as a motor is electric. But regardless......Use what the manual specs.


Main Entry: 1mo·tor
Pronunciation: \ˈmō-tər\
Function: noun
Etymology: Latin, from movēre to move
Date: 1586
1: one that imparts motion ; specifically : prime mover
2: any of various power units that develop energy or impart motion: as a: a small compact engine b: internal combustion engine ; especially : a gasoline engine c: a rotating machine that transforms electrical energy into mechanical energy
3: motor vehicle ; especially : automobile
— mo·tor·dom \-dəm\ noun
— mo·tor·less \-ləs\ adjective



I calls its as I sees its
 
Originally Posted By: rg200amp
Originally Posted By: OVERK1LL
It's actually ENGINE, not "motor", as a motor is electric. But regardless......Use what the manual specs.


Main Entry: 1mo·tor
Pronunciation: \ˈmō-tər\
Function: noun
Etymology: Latin, from movēre to move
Date: 1586
1: one that imparts motion ; specifically : prime mover
2: any of various power units that develop energy or impart motion: as a: a small compact engine b: internal combustion engine ; especially : a gasoline engine c: a rotating machine that transforms electrical energy into mechanical energy
3: motor vehicle ; especially : automobile
— mo·tor·dom \-dəm\ noun
— mo·tor·less \-ləs\ adjective



I calls its as I sees its


I remember a shop teacher failing a student for calling a car engine a "motor". He said engines run on gas, motors on electricity. Circa: 1970's..............

Frank D
 
Originally Posted By: strombony
What about the owners manual? Doesn't that count for anything?



Yea, ford says 5w20, jaguar says 5w30.
I just thought that was intresting
 
Originally Posted By: demarpaint
Originally Posted By: rg200amp
Originally Posted By: OVERK1LL
It's actually ENGINE, not "motor", as a motor is electric. But regardless......Use what the manual specs.


Main Entry: 1mo·tor
Pronunciation: \ˈmō-tər\
Function: noun
Etymology: Latin, from movēre to move
Date: 1586
1: one that imparts motion ; specifically : prime mover
2: any of various power units that develop energy or impart motion: as a: a small compact engine b: internal combustion engine ; especially : a gasoline engine c: a rotating machine that transforms electrical energy into mechanical energy
3: motor vehicle ; especially : automobile
— mo·tor·dom \-dəm\ noun
— mo·tor·less \-ləs\ adjective






I calls its as I sees its


I remember a shop teacher failing a student for calling a car engine a "motor". He said engines run on gas, motors on electricity. Circa: 1970's..............

Frank D


Well with Ford MOTOR Company, The magazine MOTORtrend,
and *Just quick ones I thought of real quick
BMW = Bavarian Motor Works
I think its fair to say the word "motor" works in the automotive industry.
 
Originally Posted By: demarpaint
Originally Posted By: rg200amp
Originally Posted By: OVERK1LL
It's actually ENGINE, not "motor", as a motor is electric. But regardless......Use what the manual specs.


Main Entry: 1mo·tor
Pronunciation: \ˈmō-tər\
Function: noun
Etymology: Latin, from movēre to move
Date: 1586
1: one that imparts motion ; specifically : prime mover
2: any of various power units that develop energy or impart motion: as a: a small compact engine b: internal combustion engine ; especially : a gasoline engine c: a rotating machine that transforms electrical energy into mechanical energy
3: motor vehicle ; especially : automobile
— mo·tor·dom \-dəm\ noun
— mo·tor·less \-ləs\ adjective



I calls its as I sees its


I remember a shop teacher failing a student for calling a car engine a "motor". He said engines run on gas, motors on electricity. Circa: 1970's..............

Frank D


Indeed.

MOTOR

Quote:
motor Mechanism that converts energy (such as heat or electricity) into useful work. The term is sometimes applied to the internal combustion engine, but is more often applied to the electric motor. Rocket engines are motors that can leave the Earth's atmosphere because they carry both fuel and oxidizer. Ion motors are in development, intended for spacecraft propulsion: a stream of ions, possibly from a nuclear reactor, is accelerated in a strong electrostatic field to produce a reaction that drives the spacecraft.


ENGINE

Quote:
engine Machine that produces useful energy of motion from some other form of energy. The term is usually restricted to combustion engines, which burn fuel. These machines include the steam engine, diesel engine, jet engine, and rocket engine. Such engines are distinguished from electric motors which, in providing their power, do not directly alter the chemical or physical composition of a substance. Combustion engines are of two main kinds: an external combustion engine burns its fuel outside the chamber in which motion is produced. In a steam locomotive, for example, the fire box is separate from the cylinders. An internal combustion engine burns its fuel and develops motion in the same place.


Many engine experts are driven nuts by people who call engines "motors", though the comedic part is of course the naming of Ford and GM:

Ford Motor Company
General Motors Corporation

grin2.gif
 
if we can't agree on terms for an internal combustion engine, we sure won't agree on the oil viscosity, or is it "lubricating liquid thickness", for them
crazy2.gif


My opinion, either is fine, so use what makes you feel better
grin2.gif


I put 5W30 in my civic si for the whole time I had it.. only because there was hardly any info on 5w20 and I didn't want to be the guinea pig, or is that a hog from new guinea?? I'm so confused
02.gif
 
Originally Posted By: webfors
if we can't agree on terms for an internal combustion engine, we sure won't agree on the oil viscosity, or is it "lubricating liquid thickness", for them
crazy2.gif


My opinion, either is fine, so use what makes you feel better
grin2.gif


I put 5W30 in my civic si for the whole time I had it.. only because there was hardly any info on 5w20 and I didn't want to be the guinea pig, or is that a hog from new guinea?? I'm so confused
02.gif




True.


I just find it weird that ford would just change the spec on there own, since it suited them. I dunno, but i would think Jaguar would of went to 5w20 if they could of squeezed some fractions out of the MPG; but they did not.
 
Most european car manufacturers spec thicker oil.. this whole thin oil push seems to be just for us north american'ers.. we're so lucky!!
wink.gif


Dunno, if it was me, I'd go with who built the engine, or blow a wad of cash and do a bunch of used oil analysis to conclude it doesn't matter
crazy2.gif


The worst part is I know it doesn't matter, but I'm still ridiculously obsessed
crackmeup2.gif
 
O yea, I know this car is going to see a used car alot, and me driving off in a new car way before the *ENGINE* breaks down regardless of the oil weight.

BUT I CANT HELP BUT WONDER!!!!!!!!!!
 
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