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#3329489 - 03/31/14 06:34 PM Help! The wrong oil was used!
Mantachieman Offline


Registered: 10/30/13
Posts: 5
Loc: Mantachie, Ms
Hey Guys! I'm new on here. Well... I'm a member, but have just been lurking around researching. Lol. This is what's just happened... I work at a Ford Dealership, and this morning I asked the guy in the service department to rotate my tires. He said they would do a rotation, and also check my car over to insure everything was ok with it. So while he was looking my car over, he noticed according to the sticker that my oil hadn't been changed in a little over 10k miles. I told him that was my plan since I used synthetic Mobil 1, and that I was changing it this weekend. I told him I had the oil in the 'back' of the car, and that if he didn't mind, to get it out and just go ahead and change it for me. (It was up on the lift anyways getting its rotation, so why not? It would save me from having to do it myself. Lol) Anyways, he happily obliged... About 10 mins after my car was taken into the service department, he paged me on my desk phone. He said that I had mistakenly purchased the incorrect viscosity that my car requires, but he would throw me in some SynBlend Motorcraft 5w20 from the bulk tank. I declined the offer and assured him that after doing research online(BITOG), it was completely safe for my car to use the oil I had purchased, and that it was actually the same type of oil I was currently using in the engine for its 10k oci. He honored my decision and completed the Oil Change and rotation for me. Well as I was driving to get lunch on my break, I looked in the rearview mirror and noticed the M1 AFE 0w20 oil that I had bought for my car was still sitting it the backseat... Confused, I cut my Lunch break short and drove straight back to the service department. I asked why he had went against my wishes and used the Motorcraft instead of the M1 that I asked him to use. He looked at me with a weird look, and reached into the garbage pulling out the empty M1 jug that was previously 'IN MY TRUNK'!!! I had COMPLETELY forgotten about having oil in my trunk!!! The oil in the TRUNK was meant for my 2001 Explorer SportTrac! It of course wasn't 0w20 AFE, but rather M1 5w30 Extended Performance! He assumed that when I said "Back of the car" I was implying the 'trunk' not 'backseat', and that's why he asked if I was sure it was safe for my engine to use. When he told me this morning it wasn't the correct viscosity, I was assuming he was talking about it being 0w and not 5w. duh It was completely my fault, as I should have been more specific of the intended oils' location inside of my vehicle. It was an honest mistake and could have been avoided if I would have just taken the oil out myself... So I guess what my question is... Can I just go ahead and keep the oil that was mistakenly put in (M1 5w30 Extended Performance), or should I change it out this weekend with the M1 0w20 I've been using? It wasn't cheap oil... So if it is safe and not gonna blow my engine, I'm completely fine with using it for this oci. But if it is going to cause harm, I will hang my head and change it Sunday. I've driven it about 20 miles so far today, and can't tell any difference in performance at all. If anything, at idle it seems smoother and a little quieter during hard acceleration. Could just be me though... I know for one week it's not going to have a problem running 30w... But over 10k miles is what I am concerned over. Any input is appreciated. I guess as ticky as I am about my vehicles, I want to be sure I'm not killing them. Lol. Thank again guys.

Oh btw! My car is a 2010 Lincoln MKZ with the 3.5 Duratec and has 50,7xx miles on it.

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#3329496 - 03/31/14 06:41 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Lead Shoes Offline


Registered: 03/03/10
Posts: 2359
Loc: Mn
Leave it, the warmer months are coming... your motor will be fine.
_________________________
1992 BMW 325i M50b25 157k
M1 0w40/Mahle
1995 Honda Civic - Built B17A1
Valv Vr-1 10w30/P1

Formerly Brenden.

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#3329497 - 03/31/14 06:42 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
actionstan Offline


Registered: 05/22/13
Posts: 447
Loc: Ohio
You're fine, the 5w30 wont hurt a thing, in a lot of cars that use 5w20, in the owners manual it will recommend 5w30 if 5w20 is not available. Besides both oils are a 5 weight at start up, the 5w30 is just thicker at operating temps.

In fact.. My Kia is speced for 5w20, but the Meijer where I like to buy my oil mainly caries 5w30 and 10w30 in the major brands. So in the near future I think my Kia will be getting 5w30 exclusively


Edited by actionstan (03/31/14 06:43 PM)
_________________________
1999 Saturn SL1
2013 KIA Forte

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#3329502 - 03/31/14 06:42 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
lawman1909 Offline


Registered: 03/20/14
Posts: 322
Loc: USA
I'd say you are fine. I am not the kind to switch up the "0w" and "5w". I would change it just because I'm not gonna risk it but it SHOULD be fine.
_________________________
BITOG should be the manual included with every car.

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#3329511 - 03/31/14 06:46 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Errtt Offline


Registered: 11/14/10
Posts: 2121
Loc: California
I'd run it just fine. Matter of fact, my DD vehicle specs 5w-20 on the fill cap. I'm running 5w-30 now like I did during the warmer season last year and it hasn't blown up yet.

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#3329512 - 03/31/14 06:47 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
71Chevyguy Offline


Registered: 07/10/11
Posts: 378
Loc: Martinsburg West Virginia
I wouldn't worry about it one bit, and with the weather getting warm now it really won't make any difference. I would switch back to the correct viscosity next time but don't lose any sleep over it being in there for this OCI. My mom had a Ford Five Hundred and I used to switch back and forth between 5w20 and 5w30 in it depending on what was next on the shelf. Only difference on 5w30 was that it was quieter as you have noticed as well. It didn't care one bit. The Duratec is a very good engine and the M1 is a very good oil. I am sure they spec heavier oils than that in the same engine in other countries.
_________________________
99 Beetle TDI 106k RT6 / Mahle filter
99 Beetle TDI 219k RT6 / Mann
87 Caprice 305
71 Nova 250

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#3329514 - 03/31/14 06:49 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Greggy_D Offline


Registered: 03/03/05
Posts: 1531
Loc: Near Ann Arbor, Michigan
Just to add to the above responses......you're fine.
_________________________
Greggy D.


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#3329516 - 03/31/14 06:50 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
dave1251 Offline


Registered: 07/15/05
Posts: 6940
Loc: Maricopa, AZ
Your engine will be fine for the OCI. Hope this will give you some peace.
_________________________
make the inside of your engine oil cap white.
don't use.

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#3329519 - 03/31/14 06:51 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
fdcg27 Offline


Registered: 09/25/09
Posts: 9195
Loc: OH
I usually leave my oil stash in the garage, rather than carry it around with me.
You live in MS, where it isn't that cold now and it's getting warmer by the day.
The EP 5W-30 is thinner at your current cold start ambients then was the highish VI Idemitsu 0W-20 in my '12 Accord on the dark mornings of last winter.
Run it 10K until your fall change and then use the AFE.
No harm done.
Kudos to the tech for having pointed out that the oil he thought you wanted him to use was not the recommended grade.
_________________________
12 Accord LX 22K HGMO 0W-20
09 Forester 64K PU 5W-30
02 Accord 127K G-Oil 5W-30
01 Focus ZX3 98K Synpower 10W-30
95 BMW 318iC 146K Defy 10W-40

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#3329520 - 03/31/14 06:51 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
bdcardinal Offline


Registered: 06/03/05
Posts: 6428
Loc: Santa Barbara, CA
I am gonna say you should be fine. Just run it for your regular OCI and then change back at the next oil change.
_________________________
2014 Ford Mustang GT Track Pack
1995 Ford Mustang GT

Ford/Mazda Parts Counter

NRA Endowment Member

"Fear disturbs your concentration."
-Sabine Schmitz

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#3329534 - 03/31/14 07:07 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
tinmanSC Offline


Registered: 09/07/10
Posts: 1904
Loc: Oswego, IL
Leave it. Nothing bad is going to happen because you used 5w30. Happens all the time. Carry on. smile
_________________________
Cost of Hobby=2L
(Where L=Cost of Lubricant)
95 Lexus SC300 5-spd@200K, 2000 GS300@120K both VML Full Syn+Purolator PSL20195(soon to be Wix)

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#3329553 - 03/31/14 07:26 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Nick1994 Offline


Registered: 02/19/13
Posts: 971
Loc: Phoenix, AZ
Probably fine, if you took it to a Jiffy Lube or other place they probably would have put in 5w30 anyways
_________________________
2004 VW Beetle TDI 159k
(Yeah it's a chick car but it gets me 40 mpg)

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#3329559 - 03/31/14 07:29 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Barkleymut Offline


Registered: 01/27/04
Posts: 2431
Loc: Richmond, VA
Your engine will never make it till June.

just a perfect example of why u should always diy
_________________________
09 Vue(95K) 2.4 4spd AT -PU 5w30 / 09 Flex(52K)3.5L PU / Moms car 04 Pilot(105K) 5w20 PP + Puro

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#3329572 - 03/31/14 07:44 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Mantachieman Offline


Registered: 10/30/13
Posts: 5
Loc: Mantachie, Ms
Thanks for all the help and quick reply guys! I feel better knowing I'm not actually hurting my car. I'll run it 10k with this oil and then switch back to 20w AFE oil. It won't take me long to put on 10k miles. Lol. I bought the car right before Thanksgiving with only 30k miles on it. Lol. So I've already put on 20k in just the last few months. I guess you could say I travel ALOT! Lol. My Lincoln sees 80% highway driving, so many of the miles are logged on long 70+ mph jaunts accross state lines. I usually average around 25-27 mpg on my long trips, and am curious as to how the 30w oil will do. My last car (12 Focus Titanium) averaged a beautiful 36 mpg! And that was on a diet of regular syn Mobil 1 5w20 for 7500 oci's. But with as many people as I take on these trips, a larger car was really needed for comfort. So after piling on almost 50k miles in one year on my Focus, I knew buying another new car just wasn't a smart financial move. So I traded it in for my current baby(10MKZ), since Lincoln's have a longer powertrain warranty than Fords do. Regaurdless of warranty this time though, I plan on putting atleast 100k on her and then giving it to my brother. He'll be moving to Washington in a few years to work at the Capitol, and I feel this car will serve him well up there. I guess it'll be sort of a law school graduation gift from ol' Bubba. Lol. Anyways, I'll keep y'all updated on the "Z's" economy with this 30w. Thanks again guys!

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#3329573 - 03/31/14 07:44 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Hyde244 Offline


Registered: 12/29/12
Posts: 647
Loc: Ohio
Leave it - GM specced this exact same engine for their 2010 Impala's with 5w30. (3.5L V6 with VVT)

http://www.chevrolet.com/content/dam/Che...pala_owners.pdf

The only reason Ford opts for the 5w20 is to help improve their Cafe standard. 5w30 will still provide the protection you need for this application.
_________________________
2007 Ford Focus ZX4 SES - 2.0L Duratec | 4F27E Auto | 82,000 miles
PU 5w20 | MC 910 | Castrol Mercon V

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#3329580 - 03/31/14 07:48 PM Re: Help! The wrong oil was used! [Re: Barkleymut]
Mantachieman Offline


Registered: 10/30/13
Posts: 5
Loc: Mantachie, Ms
Originally Posted By: Barkleymut
Your engine will never make it till June.

just a perfect example of why u should always diy


WHAT?! Why won't it?! Do you know something about these engines that I don't?! Please Explain!

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#3329588 - 03/31/14 07:49 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Quattro Pete Offline


Registered: 10/30/02
Posts: 25277
Loc: Illinoistan
He's joking. Relax.
_________________________
'02 530i (PU 5W-40)
'08 C300 4Matic (M1 0W-40)
'13 F700 GS (Spectro 15W-50)

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#3329589 - 03/31/14 07:51 PM Re: Help! The wrong oil was used! [Re: Quattro Pete]
Mantachieman Offline


Registered: 10/30/13
Posts: 5
Loc: Mantachie, Ms
Originally Posted By: Quattro Pete
He's joking. Relax.


Oh! Shwew... Thank goodness... I'm new on here, and don't know just yet how to take a joke. Sorry. Lol

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#3329596 - 03/31/14 07:53 PM Re: Help! The wrong oil was used! [Re: Hyde244]
Mantachieman Offline


Registered: 10/30/13
Posts: 5
Loc: Mantachie, Ms
Originally Posted By: Hyde244
Leave it - GM specced this exact same engine for their 2010 Impala's with 5w30. (3.5L V6 with VVT)

http://www.chevrolet.com/content/dam/Che...pala_owners.pdf

The only reason Ford opts for the 5w20 is to help improve their Cafe standard. 5w30 will still provide the protection you need for this application.


Wow! Thanks for the link. Are these similar engines? I knew GM and Ford shared a transmission. But I never knew they shared an engine though. Thats Cool!

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#3329604 - 03/31/14 08:05 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Zaedock Offline


Registered: 09/10/05
Posts: 3782
Loc: Massachusetts
Those engines are not related at all.

Still, don't worry about it.
_________________________
2012 F150 Ex-cab 5.0L/2004 Malibu Maxx LT
1992 YJ "The Heep"/1994 Olds Cutlass Ciera 3.1/auto
1975 Ford Bronco/1959 Willys CJ5/20XX Custom rock crawler

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#3329614 - 03/31/14 08:14 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
901Memphis Offline


Registered: 08/14/10
Posts: 5306
Loc: Northern Kentucky
Leave it. No way I'd drain that expensive oil for that reason. If you had that vehicle in a foreign country they would be using 10w40 and 20w50 and not worrying a bit. 5w30 might be a better choice anyways.
_________________________
1999 Ford Taurus 145k (Vulcan v6) - M1 High Mileage 5w30 | Fram Ultra XG 3600
2002 Buick Century 102k - PU 5w30 / Fram Ultra XG 3980 / Filter mag

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#3329617 - 03/31/14 08:15 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Donald Offline


Registered: 03/21/04
Posts: 13346
Loc: Upstate NY
While you should be fine, it may cause your engine to fall out at the worst moment.
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.

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#3329619 - 03/31/14 08:15 PM Re: Help! The wrong oil was used! [Re: Hyde244]
gregk24 Offline


Registered: 04/13/13
Posts: 2638
Loc: FL, USA
Originally Posted By: Hyde244
Leave it - GM specced this exact same engine for their 2010 Impala's with 5w30. (3.5L V6 with VVT)

http://www.chevrolet.com/content/dam/Che...pala_owners.pdf

The only reason Ford opts for the 5w20 is to help improve their Cafe standard. 5w30 will still provide the protection you need for this application.


WRONG! Not the same engine.
_________________________
2006 Honda Accord LX 2.4 i-vtec 124K
HGSB 0w20 Fram Ultra
NXT: M1 0w20

2005 Chevy Uplander 3.5 116K
Castrol Edge EP 10w30 Fram Ultra
NXT: M1 HM 5w30

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#3329629 - 03/31/14 08:22 PM Re: Help! The wrong oil was used! [Re: Hyde244]
OVERKILL Offline


Registered: 04/28/08
Posts: 25964
Loc: Ontario, Canada
Originally Posted By: Hyde244
Leave it - GM specced this exact same engine for their 2010 Impala's with 5w30. (3.5L V6 with VVT)

http://www.chevrolet.com/content/dam/Che...pala_owners.pdf

The only reason Ford opts for the 5w20 is to help improve their Cafe standard. 5w30 will still provide the protection you need for this application.


The engines are from two complete different manufacturers. The fact that they share the same displacement in litres doesn't mean anything.
_________________________
Network Engineer
02 Expedition
01 BMW ///M5
05 Forester XT

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#3329648 - 03/31/14 08:29 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
R80RS Online   content


Registered: 06/05/13
Posts: 537
Loc: Wisconsin USA
I'm also in the "you're fine leave it alone" camp. I've used 5w-30 for extended periods in my Fords requiring primarily 5w-20 with no problem.
_________________________
2004 F150 185k mi. Amsoil XL 5w-20, Fram Ultra
2004 Freestar 234k mi. M1 HM 5w-20, Napa Platinum
2003 VW Jetta TDI, 149k mi. Rotella T6 5w-40, Mahle

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#3329694 - 03/31/14 08:58 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
AP9 Offline


Registered: 07/10/13
Posts: 214
Loc: Chicago suburbs
Better a little too thick than a little too thin . . .

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#3329720 - 03/31/14 09:21 PM Re: Help! The wrong oil was used! [Re: AP9]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts
Originally Posted By: AP9
Better a little too thick than a little too thin . . .


Better a little too thin than a little too thick.

You could get an oil sucker for about 20 bucks and suck it out the dipstick. Put it in your other vehicle.

I'm going to do this in my Mustang as I think the German Castrol is too thick.

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#3329735 - 03/31/14 09:33 PM Re: Help! The wrong oil was used! [Re: turtlevette]
Zaedock Offline


Registered: 09/10/05
Posts: 3782
Loc: Massachusetts
Originally Posted By: turtlevette
Originally Posted By: AP9
Better a little too thick than a little too thin . . .


Better a little too thin than a little too thick.


Ah, it's the other way around.
_________________________
2012 F150 Ex-cab 5.0L/2004 Malibu Maxx LT
1992 YJ "The Heep"/1994 Olds Cutlass Ciera 3.1/auto
1975 Ford Bronco/1959 Willys CJ5/20XX Custom rock crawler

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#3329754 - 03/31/14 09:47 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
teddyboy Offline


Registered: 01/18/10
Posts: 914
Loc: NC, United States
I misread the owners manual for my wife's 07 Camry (the table covers the V6 too) and mistakenly ran M1 5W30 in a car that calls for 0W20/5W20. I did this for about 45K miles. There was no apparent problem from using the higher viscosity oil. The car has 106K on it now so if there is going to be a problem (and I sincerely doubt there will be) it will come something north of 100K.
_________________________
97 Camry M1 10W30 HM & OEM Filter
14 Camry TGMO 0W20 & OEM Filter
08 Volvo S60 M1 0w40 Volvo Filter

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#3329758 - 03/31/14 09:55 PM Re: Help! The wrong oil was used! [Re: Zaedock]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts
Originally Posted By: Zaedock
Originally Posted By: turtlevette
Originally Posted By: AP9
Better a little too thick than a little too thin . . .


Better a little too thin than a little too thick.


Ah, it's the other way around.


Says who. Where's the documentation?

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#3329766 - 03/31/14 09:58 PM Re: Help! The wrong oil was used! [Re: turtlevette]
dave1251 Offline


Registered: 07/15/05
Posts: 6940
Loc: Maricopa, AZ
Common sense.

Keep in mind I am one that prefers thin as possible.

Too thin you have a dead engine. Too thick the engine is just a little less efficient.
_________________________
make the inside of your engine oil cap white.
don't use.

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#3329815 - 03/31/14 10:47 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Merkava_4 Offline


Registered: 01/30/07
Posts: 9105
Loc: Clovis, CA
Holy wall of text Batman!! shocked2

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#3329877 - 04/01/14 12:57 AM Re: Help! The wrong oil was used! [Re: dave1251]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts
Originally Posted By: dave1251
Common sense.

Keep in mind I am one that prefers thin as possible.

Too thin you have a dead engine. Too thick the engine is just a little less efficient.


There is a study somewhere here on the site that does a statistical analysis on all the UOAs here. The 20wt oils show lower iron as a pattern than the 30wt.

I'll try and find it again.

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#3329890 - 04/01/14 01:54 AM Re: Help! The wrong oil was used! [Re: turtlevette]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts

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#3330128 - 04/01/14 09:21 AM Re: Help! The wrong oil was used! [Re: Mantachieman]
Dallas69 Offline


Registered: 02/11/14
Posts: 202
Loc: Texas
Leave it in
It wont hurt at all
I am starting to think that BITOG does more harm than good cause folks start over thinking

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#3330143 - 04/01/14 09:42 AM Re: Help! The wrong oil was used! [Re: Mantachieman]
thomasew Offline


Registered: 06/11/08
Posts: 109
Loc: North Carolina, USA
Don't feel bad, one time I took my truck to the dealership for some stuff, and an oil change. I had the oil and filter in a box in the open bed of the truck, and I told them to use the oil I provided. When I went back to get it, the oil that I bought, and the filter were still in the box in my truck bed. I thought about asking them why, etc., but decided to just forget it, and go on. I am pretty sure I had mobil 1 and a wix in the box, but that is not what went on and in the truck. I figured it isn't worth getting into it with them, so, I didn't.

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#3330154 - 04/01/14 09:49 AM Re: Help! The wrong oil was used! [Re: turtlevette]
dave1251 Offline


Registered: 07/15/05
Posts: 6940
Loc: Maricopa, AZ
Originally Posted By: turtlevette


You realize trying to use UOA's on a micro level to establish wear trends are widely inaccurate. Correct?
_________________________
make the inside of your engine oil cap white.
don't use.

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#3330328 - 04/01/14 01:05 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
Black_Thunder Offline


Registered: 09/23/06
Posts: 789
Loc: Wisconsin
i know companies that ran bulk oil in everything, including company cars spec'ed for 5w20.

bulk oil was 5w40 to 15w40, then it was 10w30 hdeo for awhile, now its 10w40
_________________________
I'd buy Callahan autoparts if I could.

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#3333743 - 04/04/14 10:56 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
TiredTrucker Offline


Registered: 01/04/08
Posts: 955
Loc: Kellogg, IA
While the general consensus is that the 20w oils were introduced because of CAFE standards, I have read some stuff recently that the main motivation for the 20w oils over 30w oils was that the 20w will dissipate heat more quickly. Not sure if that was the reason, but a lighter fluid will generally dissipate heat quicker.
_________________________
Hey there, VA, what do ya say? How many vets did you kill today?

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#3333790 - 04/05/14 01:03 AM Re: Help! The wrong oil was used! [Re: TiredTrucker]
Shannow Online   content


Registered: 12/12/02
Posts: 26344
Loc: a prison island
Originally Posted By: TiredTrucker
I have read some stuff recently that the main motivation for the 20w oils over 30w oils was that the 20w will dissipate heat more quickly. Not sure if that was the reason, but a lighter fluid will generally dissipate heat quicker.



that's a claim that demands some evidence...got some ?

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#3333800 - 04/05/14 01:29 AM Re: Help! The wrong oil was used! [Re: Shannow]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts
Originally Posted By: Shannow
Originally Posted By: TiredTrucker
I have read some stuff recently that the main motivation for the 20w oils over 30w oils was that the 20w will dissipate heat more quickly. Not sure if that was the reason, but a lighter fluid will generally dissipate heat quicker.



that's a claim that demands some evidence...got some ?


The thinner oil flows from the rod bearings faster providing more cooling oil to the piston. You know, like in power plants more flow transfers more heat. Get out your thermo book.






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#3333801 - 04/05/14 01:43 AM Re: Help! The wrong oil was used! [Re: turtlevette]
Shannow Online   content


Registered: 12/12/02
Posts: 26344
Loc: a prison island
Originally Posted By: turtlevette
Originally Posted By: Shannow
Originally Posted By: TiredTrucker
I have read some stuff recently that the main motivation for the 20w oils over 30w oils was that the 20w will dissipate heat more quickly. Not sure if that was the reason, but a lighter fluid will generally dissipate heat quicker.



that's a claim that demands some evidence...got some ?


The thinner oil flows from the rod bearings faster providing more cooling oil to the piston. You know, like in power plants more flow transfers more heat. Get out your thermo book.


With a positive displacement pump that shifts the same volume of oil for each and every revolution ?

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#3333805 - 04/05/14 02:09 AM Re: Help! The wrong oil was used! [Re: Shannow]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts
Originally Posted By: Shannow

With a positive displacement pump that shifts the same volume of oil for each and every revolution ?


The oil pump bypasses oil at anything above fast idle.

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#3333812 - 04/05/14 02:18 AM Re: Help! The wrong oil was used! [Re: turtlevette]
Clevy Offline


Registered: 11/11/10
Posts: 7102
Loc: Saskatoon canada
Originally Posted By: turtlevette
Originally Posted By: Shannow

With a positive displacement pump that shifts the same volume of oil for each and every revolution ?


The oil pump bypasses oil at anything above fast idle.




What?
First off an oil pump doesn't bypass anything. Some new engine have an oil pump that is variable,meaning basically it's able to adjust volume depending on engine needs however I'm not aware of any pump that is able to bypass anything.

Either the engine has a bypass built in to the oil circuit and when pressure exceeds a specific psi it will bleed off the excess pressure back into the pan,or the oil filter is equipped with the bypass valve.

So again. You're incorrect.

This isn't even fun anymore. Pointing out the flaws in your posts is getting old. It's such a common event lately that it's become stale.

Thanks for trying though.
All a steer can do is try....eh
_________________________
2006 Charger RT
Miles x 2 per oil filter

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#3333865 - 04/05/14 06:53 AM Re: Help! The wrong oil was used! [Re: Mantachieman]
demarpaint Offline


Registered: 07/03/05
Posts: 20988
Loc: NY
Another vote for leaving it in.
_________________________
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#3333876 - 04/05/14 07:10 AM Re: Help! The wrong oil was used! [Re: demarpaint]
Trav Offline


Registered: 11/20/06
Posts: 9517
Loc: MA, Mittelfranken.de
+5 This engine is 5w30 spec in other parts of the world and they are not blowing up.
The engine could really care less.
_________________________
ASE L1, Master. Deutsch Meisterbrief.

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#3334196 - 04/05/14 02:53 PM Re: Help! The wrong oil was used! [Re: Clevy]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts
Originally Posted By: Shannow
With a positive displacement pump that shifts the same volume of oil for each and every revolution ?


Originally Posted By: Clevy
What?
First off an oil pump doesn't bypass anything.


Here's a refresher for the 2 of you on how an oil pump uses the internal bypass to regulate pressure.

http://www.youtube.com/watch?v=7IpJlYssvkM






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#3334207 - 04/05/14 03:14 PM Re: Help! The wrong oil was used! [Re: Mantachieman]
ThirdeYe Offline


Registered: 02/23/07
Posts: 7241
Loc: Walker, MI
It'll be fine. I've used 5W-30 in cars that call for 5W-20 with no bad results at all.
_________________________
99 Pontiac Firebird - 81k - Pennzoil HM 10W-30+MMO/Hastings LF233
95 Acura Integra LS - 210k - Havoline Synthetic 5W-30/Mobil 1 M1-104

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