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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: 7954
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: 13689
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: 2675
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: 2675
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: 1088
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
_________________________
2009 Galant-ultra oil and filter
1987 Ford F-150 302
Valvoline Maxlife 5-30
Motorcraft filter

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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: 130
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: 7954
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: 969
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
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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: 2248
Loc: Central Iowa
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.
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In order to know what is bad, you have to know what is good. The question them becomes, what is the source of knowing what is good?

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


Registered: 12/12/02
Posts: 32514
Loc: Oz
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: 2675
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 Offline


Registered: 12/12/02
Posts: 32514
Loc: Oz
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: 2675
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: 9782
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: 24744
Loc: NY
Another vote for leaving it in.
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