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soggybottomboy 
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 Topic: light weight oil
Posted: 30 Apr 2022 at 4:08pm |
Bought the wife a new vehicle last month, a Jeep Grand Cherokee. The company is calling for 0w20 oil for the engine. Our old car, which was a 2011 chevy impala called for 5w20 oil. After it got about 50,000 miles on it I started putting 10w30 in. I know that lighter weight oils are supposed to produce better mileage but my question is, does it give as much protection as heavier oil? This vehicle has start- stop technology also, and it makes me think they don't care how long it lasts or they would not want their engines to be doing that.[no oil pressure for a moment every time it starts] 0w20 is so thin it pours like you added a quart of gasoline to every gallon of oil. I guess if i don't use the stuff it might void the warranty but hey, I think somebody just called me the other day about purchasing an extended warranty on it.  |
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TramwayGuy
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Posted: 30 Apr 2022 at 5:25pm |
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Modern oils are almost miraculous compared to oils of the ‘50s and ‘60s.
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PaulB
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Posted: 30 Apr 2022 at 6:13pm |
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As long as the car will outlast the warranty by a day is all the manufacturer cares about. Yes, oils of today are far superior to anything from 50 or more years ago.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Lars(wi)
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Posted: 30 Apr 2022 at 7:01pm |
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I have a Ford Taurus that calls for 5w20, every time I used it, oil consumption went way up, switch back to 5w30, and almost no top offs between changes. I always used full synthetic.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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Coke-in-MN
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Posted: 30 Apr 2022 at 9:32pm |
for the first time i heard one of the warranty adds mention a price - $100 a month to warrant a vehicle for their full coverage . At $1200 a year one can find something to drive and just keep the main vehicle for when you need a good vehicle to drive . Kind of there now myself as truck is a 2000 GMC 3/4 ton i use for snow plowing and has served well but only 94,000 on it , 2015 Jeep Cherokee has 34,000 on it and was wondering on getting another but figure it should be good for at least 50,000 miles more before I worry to much about problems . So at 5 or 6 thousand miles a year , I have another 10 years of driving and by then age might make driving a option i leave to someone else .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
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FloydKS
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Posted: 30 Apr 2022 at 10:14pm |
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I have a 2011 Escape with 189,000 + or - and am looking forward to that number 1 to be a 2 and keep on going... I do my own changes and so far use the required 5w-20 but only change every 6,000-7,000. As had been said oil is better than used to be, you may say it still gets dirty but so far so good.
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Holding a grudge is like taking poison and expecting the other person to die
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wjohn
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Posted: 01 May 2022 at 8:19am |
Does the manual allow any other weight oils to be used at different temp ranges? Anymore, all the tiny little orifices, passages, sensors, and bearing clearances in the engine are sized counting on that very light weight oil to be able to pass through at cold startup. 10W-30, for example, being thicker may not go through those little holes and very tight bearing clearances as well, and could actually cause more wear. Is it enough to ever be noticeable? Would the engine only make it to say 250K miles if you used 10W-30 instead of 0W-20, and it would go to 500K on the correct 0W-20? I don't know; but I wouldn't take the risk when you know which viscosity of oil the engine was designed for. There are plenty of examples of engines going hundreds of thousands of miles on the factory-specified 0W-, 5W-, whatever oils.
As mentioned, oils have a come a long ways - additionally, so have engine design and manufacturing processes maintaining tighter tolerances than back in the day.
Seeing as it's a new Jeep your bigger problem may be keeping the oil in. Two of my coworkers have had new Cherokees in the last 3 years and one had to have the rear main seal replaced as it was dumping on the ground at 15K miles. I forget what caused the oil leak in the other guy's Jeep. Thankfully they were both still under warranty.
It's a brand new vehicle - I would use the correct oil.
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1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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fixer1958
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Posted: 01 May 2022 at 8:38am |
It probably wasn't the rear seal dumping oil. Real common is the oil cooler that is under the intake manifold. Starts puking oil. I've changed dozens of them.
Keep the recommended oil in it for now, just check it often to see if it's using it. Kind of get an idea of what to expect. That's what I would do.
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steve(ill)
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Posted: 01 May 2022 at 8:45am |
I think a lot of the recommendation for 0W or 5W is drag/ resistance related.. Thinner oil is less work on the motor to spin... Bearings use to have .003 clearance in a motor and today they still have .003 ... a lot of the "TIGHT" stories were made up to have an excuse for using the thinner oils...
The "BOOK" might say to use 0W-20 oil ..... Well in South Texas the temp may vary from 60 - 100 degrees and in N Dakota it might vary between 0 - 80 degrees... It should be obvious that the 0W20 oil will be very different in the two locations... Using 0W 20 in Dakota might give the same viscosity as using 10w 30 in Texas.
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Like them all, but love the "B"s.
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wjohn
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Posted: 01 May 2022 at 12:26pm |
 fixer1958 wrote:
It probably wasn't the rear seal dumping oil. Real common is the oil cooler that is under the intake manifold. Starts puking oil. I've changed dozens of them.
Keep the recommended oil in it for now, just check it often to see if it's using it. Kind of get an idea of what to expect. That's what I would do.
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It was definitely the rear main on this one. Don't remember what the other guy's issue was... Could have been that oil cooler.
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1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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soggybottomboy
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Posted: 01 May 2022 at 8:29pm |
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Thanks for all the replies. I'm uneasy with 0w20 oil, but I guess that is what I will go with for awhile anyway. That oil is soooo thin at operating temperature.
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Dnoym N. S. Can.
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Posted: 01 May 2022 at 9:09pm |
. I'm uneasy with 0w20 oil, but I guess that is what I will go with for awhile anyway. That oil is soooo thin at operating temperature.[/QUOTE]
That oil is a 20w oil at operating temperature. used the 0w20 oil and the warrant will still be good
if you used anything but it will be no good.
HTH Dnoym
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shameless dude
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Posted: 02 May 2022 at 1:22am |
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i have all my vehicles on 15W40 Rotella....except the old lady's.....ooooops....i mean the loving wifes burb...several mechanics warned me to use the manuf. suggested oil, or lose the engine. they said they have seen it numerous times of engine failures due to owners using what they want instead. i'm not sure when that started with them, but my burb is a 2003, hers is a 2015. it hasn't affected my burb, but not gonna chance it with hers...i'd hafta go live with ole snake breeder Joe if i did!
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soggybottomboy
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Posted: 02 May 2022 at 7:20pm |
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Well, I said something that was incorrect in my first post. The 2011 Impala called for 5w30 oil, not 5w20. It was stamped right on the filler cap. Do they make engines tighter now than they did then?
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steve(ill)
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Posted: 02 May 2022 at 7:51pm |
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 02 May 2022 at 7:52pm |
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Like them all, but love the "B"s.
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steve(ill)
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Posted: 02 May 2022 at 8:08pm |
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Like them all, but love the "B"s.
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soggybottomboy
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Posted: 02 May 2022 at 10:29pm |
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I didn't mean to ignore your first post Steve{ILL}. I used some 0w20 oil in an air cooled motor on an auger once for winter operation. I changed it out the next summer while the engine was hot and it shot out of there like a cow thats been on fresh grass. But i guess I better shut up and get with the program. Thank You for the responses. I could have googled it too, but I don't always trust what the "experts" say these days.
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steve(ill)
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Posted: 03 May 2022 at 9:08am |
i didnt take it that way Paul......... Just trying to show that 90% of the DATA says that thin oil was developed to prime the new / smaller / high reving / hot running engines.. and reduce friction , improve cold starts.......... Only a few say it has anything to do with "clearance"............ its mostly EMISSIONS / COLD STARTS / LESS FRICTION..
Remember the FIRST NUMBER 0 or 5 ( or 10) is for COLD STARTS.... The second number ( 20 or 30) is your NORMAL WEIGHT while running hot.... also consider your AMBIENT temp / location in the US.
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Like them all, but love the "B"s.
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