0w or 5w-20? Can this stuff really

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adequately protect the engine in our new Camry Hybrid? ToyMotors calls for it, and its not like the engine is really killing itself like a 426 hemi would be. I want to believe that it will be OK to use this oil and get maximum engine life. But I have my doubts. Yes I've seen the good UOA's on MC and the like but I still cannot believe something like a Mobil 1 0w-20 used in the summertime will be enough protection.

Anybody out there agree? Or am I just being paranoid? I want to use M1 0w-20 since it should flow real quick given the frequent engine on//off starting cycles. But it just seems to me that film strength will not be enough. Yes I am not an engineer, but I remember using 10w-40 in a 351 Cleveland that at 100k miles performed like new. Will this watery mix be so protective?
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you are paranoid and a bit uneducated at this point. Get over your old tricks and learn some new ones. Use the search feature and use your manufacturers recommendation without hesitation.
 
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you are paranoid and a bit uneducated at this point. Get over your old tricks and learn some new ones. Use the search feature and use your manufacturers recommendation without hesitation.





Wake up on the wrong side of the bed?
 
I am not sure where you live but either would be fine in mild winters. If in the midwest or somewhere it gets really cold I would stay with 0w20. Atleast in the winter time.
 
I feel like I time-warped back about 4 years reading this thread! Seriously, I do remember a time when the forum was dominated by this subject, and I had my doubts too. Go search the UOA section for 0W-20 reports and you will put your mind at ease. I'm heading back to 2007!
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I feel like I time-warped back about 4 years reading this thread! Seriously, I do remember a time when the forum was dominated by this subject, and I had my doubts too. Go search the UOA section for 0W-20 reports and you will put your mind at ease. I'm heading back to 2007!
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ufo.gif





I'm still watching you being transported back to 2007!
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From an older post of mine:

Oil analysis: compare 2003 Ferrari 575 Maranello and 2000 550 Maranello

My neighbor and I have have Maranellos. He owns the 550 but has the new SuperAmerica on order. He always runs what the book says. His last oil change was with 9,100 miles on the car. It was 9 or 10 months ago. Last week I sampled the oil with 1,800 miles on this oil.

These cars are nearly exactly the same but for a slightly bored out engine in the newer 575 model. His has 475 BHP and mine has 515. His drive to work is 10 - 15 minutes and mine is 15 - 20 minutes and we drive about the same way, spirited. My car has 6,300 miles on it. I run the 20 wt oil while he has always run the Shell Helix Ultra 5W-40, the factory recommended oil.

One has said that since I get good numbers with the 20 wt oil that I should get better numbers on the 40 wt oil. You be the judge:

__________New _______Ferrari 550_______575
______0W-20 Mobil 1 ___With 1,800 Mi __With 4,100 Mi on the oil
....................................................................
Iron__________ Chromium _____ Nickel _______ Aluminum ______3___________8___________9
lead _________ Copper _______ Tin __________ Silver _______ Titanium _____ Silicon _______4___________6___________8
Boron ________247_________40__________178
Sodium _______15__________8___________15
Potassium ____ Molybdenum __ 164_________18__________86
Phosphorus __1375________1203________1243
Zinc ________1328________1191________1169
Calcium _____3456________1669________2742
Barium ______ Magnesium ____53_________935_________111
Antimony ____ Vanadium ____ Fuel %Vol ____0__________3.0__________1.0
Abs Oxid _____?__________na___________28
Abs Nitr _____?__________11____________4
Wtr %vol _____0__________ Vis CS 100C__9.0_________11.0 ________8.3
SAE Grade ____20__________30 _________20
Gly test ____NEG_________NEG _________NEG
TBN _________9.87_______not done_____not done


aehaas
 
you cant compare 2 single data points of 2 different cars, 2 different drivers, 2 different driving patters, and expect ANYONE to judge one better than the other. thats meaningless in this aspect.
 
Ed, to answer your question, YES! I drove 7300 miles with Pennzoil dino in a 12 year old Saturn with resounding success. The new 20wt oils are the real Mccoy. Use them with confidence.

Mobil1 and Toyota engines are a good match!
 
Honestly, when I shake that 0w at Chinamart, I get a bit nauseous....

I can't imagine how thin its gotta get under full op temp.

But thin is in, so I guess I follow the book.
 
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One has said that since I get good numbers with the 20 wt oil that I should get better numbers on the 40 wt oil. You be the judge:




What are you going to run in your new 57S? And how 'bout posting some pics of it?
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you cant compare 2 single data points of 2 different cars, 2 different drivers, 2 different driving patters, and expect ANYONE to judge one better than the other. thats meaningless in this aspect.





I agree!

Never let facts get in the way of good science.

Or visa versa.

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Rickey.
 
How about 2 data points in the same car, still in the break in period:

Oil analysis for 2003 Ferrari 575 Maranello:

The Ferrari was delivered with Shell Helix Ultra 5w30. At 775 miles on 23 May 2003 the oil was changed to 0w30 Mobil 1. At 2,250 miles on 14 November 2003 the oil was changed to 0W-20 Mobil 1. With 5,300 miles on the car, and 3,000 mile on this fill of 0W-20 I sent in a sample for analysis. The original oil tested was from a left over bottle from the original Mobil 1 oil cases. So it is of the same age as the oil in the engine. No additional oil was added to the car. The next sample was at 4,000 miles on Mar 19, ‘05.

__________New __________Ferrari_______
______0W-20 Mobil 1 ___With 3,000 Mi __With 4,000 Mi on the oil
................................................................................................................
Iron__________ Chromium _____ Nickel ________ Aluminum ______3__________10___________9
lead __________ Copper ________ Tin ___________ Silver ________ Titanium ______ Silicon ________4___________10__________8
Boron ________247_________220_________178
Sodium _______15__________15__________15
Potassium ____ Molybdenum __ 164_________141_________86
Phosphorus __1375________ 1353________1243
Zinc ________ 1328________1313________1169
Calcium _____ 3456________3143________2742
Barium ______ Magnesium ____53_________154_________111
Antimony _____ Vanadium _____ Fuel %Vol _____0__________3.5__________1.0
Abs Oxid ______?__________48__________28
Abs Nitr _______?__________13__________4
Wtr %vol ______0_________ Vis CS 100C ___9.0________8.1 _________8.3
SAE Grade ____20_________20 __________20
Gly test ______NEG_______NEG _________NEG
TBN _________9.87_______not done_____not done

aehaas
 
"How about 2 data points in the same car, still in the break in period"

Even most KIA's make it that far
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Probably with good wear numbers with whatever oil that their owners might choose to run.

Prove me wrong please sir, and I will stand corrected.

Show me 2 or 3 hundred K with a thin oil on that your particular vehicle.

Then you sir will have proved something.

If that mileage is not attained then you Sir have failed to equal my almost pedestrian class '93 Cavalier with over 270 K on mostly 15W40 diesel oil.

No UOA needed , it doesn't smoke, rattle, or consume.

Just one more data point.



Rickey.
 
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"How about 2 data points in the same car, still in the break in period"

Even most KIA's make it that far
smile.gif


Probably with good wear numbers with whatever oil that their owners might choose to run.

Prove me wrong please sir, and I will stand corrected.

Show me 3 or 3 hundred K with a thin oil on that your particular vehicle.

Then you sir will have proved something.

If that mileage is not attained then you Sir have failed to equal my almost pedestrian class '93 Cavalier with over 270 K on mostly 15W40 diesel oil.

No UOA needed , it doesn't smoke, rattle, or consume.

Just one more data point.




I'm curious, what is it in the UOAs that Ali posted that would lead you to believe his Ferrari would not go 300,000 miles on 0w20 oil?
 
Simple... It's a Ferrari If its driven as it's intended to be driven... well you get the idea.

Yes I know what I have made is probably an unfair comparison.

And that just goes to illustrate so many other comparisons and assertions made here and elsewhere.

Rickey.
 
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