New Article of the Month by Dr. Haas

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The additives in the oil (using 10W-30 as an example) will make the oil flow like a 10W does at 0 degrees and is will make it flow like a 30W does at 212 degrees.

I will leave the good doctors article to everyone else as I've always enjoyed his post even if I don't agree with all of them.
 
Originally Posted By: Johnny
The additives in the oil (using 10W-30 as an example) will make the oil flow like a 10W does at 0 degrees and is will make it flow like a 30W does at 212 degrees.


To pick a nit...0F hasn't been the flow rating temperature for xW oils for over 40 years. You did get the point across though
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Quote:

I will leave the good doctors article to everyone else as I've always enjoyed his post even if I don't agree with all of them.


There is a lot there to not agree with.
 
OH NOES! so oil is damaged by cold? YIKES what am i going to do about my poor little diesel car on those -20 or so VT winter nights when i visit my friend in the mountains! The oil in the sump must be completley solid and nonfunctional i mean, i thought something might be wrong! its a diesel They dont start in the cold their fuel "gells up constantly" (not if you get good diesel) and mine does first crank (admittedly is a slow dog the first few miles)! It must be that darned oil not working right because of the cold. i mean.. it makes this clattering sound all the time whenever it runs. i thought it must just be because its a diesel Guess i was wrong. Its my engine crying as i shove my horribly cold from the basement rotella t6 down its throat (i must literally have to chunk it out from the bottle because at those tempatures the viscosity is too thick to measure) But somehow, my engine manages to cram that solid oil through its passages within a few seconds of startup and keep running. Its been crying for 258k miles. What a horrible life my car leads. same thing with my other little car at 220k or my gasoline car.. those poor 8 cyls. it hurts 2x as much as the 4 cyl diesels. its been growling at me the past 130k for feeding it this horrible thick oil.
And. apparently. My motorcycle fed the same diet of this sometimes-solid oil magicaly makes it thinner according to blackstone. Those liars. Just when i thought i understood oil from this paper my motorcycle goes and re-writes the books via molecular shearing.
Oh i could go on about the heinous torture i put my vehicles through but im laughing a little to hard (evil bad guy torturing his equipment laugh)- oh also forgive any typos, im actually laughing a little. No offense Dr. I disagree with your opinion on the matter.

And forgive my sarcasm. :)
 
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Originally Posted By: Johnny
I believe you are correct about the cold flow as I "think" it is 32 degrees, or am I wrong about that also.


There are two different tests, one that relates to pumpability the other to crankability. Both are done at temperatures well below 0F and different temperatures for each xW rating.

SAE J300 specifies the temperatures.
 
Originally Posted By: Tim H.
I thought Dr Haas was a member here? If he still is, why does he not respond to this thread?


What do you want him to do?

1.

Haas: "Yes, I made a mistake and I'll retract all my articles..."
Tempest: "See, I told you he didn't know what he as talking about..."


2.

Haas: "No, I stand correct about what I said, you in fact should be double checking your doubt...."
Tempest: "See, I told you he is stubborn and will deny till death...."





Neither one is a good outcome, so why bother?
 
He is a smart man and knowledgeable but this article is very flawed and I have laid out my case. He reads a lot and has posted articles to support his position in the past. Simply asking him to do that now.
 
He is too busy making 'CA$H MONEY' (the phrase Hip-Hop artists like to use) to read any posts about some mistakes in his article.
That guy has almost a million dollars worth of high end cars in his garage. Does any body know if Dr. Haas looks like Dr. Drew on TV ?
I think I did see Dr. Haas in Naples last month.

Do you really thing that guy wants to get into an argument over the internet ?

BTW, on the subject about oil and technical talk..... what ever happen to that guy named Terry who was always offering his advice and tech information ?
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He too hasn't been on BITOG for a long time.
 
Originally Posted By: LT4 Vette
BTW, on the subject about oil and technical talk..... what ever happen to that guy named Terry who was always offering his advice and tech information ?
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He too hasn't been on BITOG for a long time.


I think he left due to disagreement with the forum owner regarding to "business" decision.
 
I can't agree where Dr Haas says, "One thing that is no longer important is the ambient temperature" and "The automotive designers usually call for their engines to run at 212°F."

The ambient temperatures do matter in oil grade selection, and most modern vehicles have lower normal operating temperatures.
 
Originally Posted By: LT4 Vette
He is too busy making 'CA$H MONEY' (the phrase Hip-Hop artists like to use) to read any posts about some mistakes in his article.
That guy has almost a million dollars worth of high end cars in his garage. Does any body know if Dr. Haas looks like Dr. Drew on TV ?
I think I did see Dr. Haas in Naples last month.

Do you really thing that guy wants to get into an argument over the internet ?

BTW, on the subject about oil and technical talk..... what ever happen to that guy named Terry who was always offering his advice and tech information ?
21.gif
He too hasn't been on BITOG for a long time.
Dr. Hass is a handsome man and his wifes looks make his exotics pale in comparison.
 
I think this post is long overdue.
I do not know much about Motor oil, I come here to learn, not preach. (although I will share my observations)
I have read Dr. Haas's paper, and he seems to make some valid points, and I give him full credit for putting his oil where his mouth is (so to speak) I'm not sure I would have the gonads to use non manufacturer recomedned oil in MY Lambo, If I had one
:-)
I really hope these questions/ diverse oppinions, are answered!
 
Originally Posted By: Bruce T
The ambient temperatures do matter in oil grade selection,

Why? In a modern engine, you could run 0w-30 oil regardless if you lived in Alaska or Arizona.
 
Yes, you could run 0W-30 oil anywhere, although I'd lean towards a thin 0W-20 oil in Alaska and thicker Red Line 5W-30 in Arizona.
 
You have to start a thread on exotic cars and he'll return. The last time I saw him was in the Murcielago oil-change thread, and before that I saw him in the Aston-Martin Vantage thread.
 
Originally Posted By: PandaBear
Originally Posted By: Tim H.
I thought Dr Haas was a member here? If he still is, why does he not respond to this thread?


What do you want him to do?
1.
Haas: "Yes, I made a mistake and I'll retract all my articles..."
Tempest: "See, I told you he didn't know what he as talking about..."
2.
Haas: "No, I stand correct about what I said, you in fact should be double checking your doubt...."
Tempest: "See, I told you he is stubborn and will deny till death...."

Neither one is a good outcome, so why bother?


No, maybe simply explain WHY he came to the conclusions he did. Doesn't necessarily mean he is wrong or right...
 
Having read Dr. Haas' article a few times, it appears some of this started over blood...

http://www.focfloridaregion.com/edu/oil.htm

"When he was a general surgery resident in Chapel Hill he studied the flow mechanics of human blood."

He uses thin oil for better flow. Well, using blood as an example, if blood is too thin, you may develop Hemophilia which means the blood is too thin to clot and you can bleed easily. So using that logic to motor oil, if the oil is too thin it will not protect as well and may leak.

If blood is too thick, then Hypercoagulability happens. Blood will tend to stick to the walls of blood vessels forming Fibrin. Fibrin leads to clots. So in relation to motor oil, if it is too thick, I suppose it will form oil's version of Fibrin... sludge/varnish.
 
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