So, if 0w30 pours like milk.....

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So, if 0w30 pours "like milk", what would you all say that 5w30 and 10w30 pour like?

While we're at it, what would 15w40, 20w50, and 30w pour like?
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GL
 
5w30 pours like chocolate milk
10w30 pours like chocolate milkshake
The rest pour like chocolate.

PS: In summer they all pour like milk.
 
Maybe the lighter weights will pour like no fat milk, the medium like 2% milk and the heavy grade like whole milk. Then you have half and half and whipping cream. I wonder what oil pours like them? I dont even want to get into other dairy products like cream cheese, cottage cheese or sour cream.
 
Maybe THIS is what he was getting at?

The other night, reading Dr. Haas (underlying philosophy: "No oil is thin enough in cold weather" or words to that effect), I got to getting curious. So, into my 15 below zero degree deep freeze, I dropped a quart of 10W30SL HM Pennzoil, a quart of Pennzoil 5w20 SM conventional, 1 of GC 0W30SL and one of Pennzoil Platinum 10W30SM from 4-25-05 (pre groupIII, and 1 of Pennzoil Truck/SUV blend, 10W30SL. For the record, once these bottles were chilled, I broke the seals to let air into the bottle so there would be room in the bottle for them to slosh, then tightened them back and dropped them back in until the next night. I went to the freezer the next night and did a shake-and-slosh on each bottle. Of the four quarts, which one do yall think had "slosh" to it right out of the freezer. I'm talking you could make it splash and slosh in the bottle, and would truly be pourable. All of the others were locked up tight and were as immovable in the bottle, or worse, than VSOT.

Which one was the pourable oil? Couple of peeps take a guess, I'm curious what yall's impressions are. I'll fess up before I crash tonight..
 
Quote:


Maybe THIS is what he was getting at?

The other night, reading Dr. Haas (underlying philosophy: "No oil is thin enough in cold weather" or words to that effect), I got to getting curious. So, into my 15 below zero degree deep freeze, I dropped a quart of 10W30SL HM Pennzoil, a quart of Pennzoil 5w20 SM conventional, 1 of GC 0W30SL and one of Pennzoil Platinum 10W30SM from 4-25-05 (pre groupIII, and 1 of Pennzoil Truck/SUV blend, 10W30SL. For the record, once these bottles were chilled, I broke the seals to let air into the bottle so there would be room in the bottle for them to slosh, then tightened them back and dropped them back in until the next night. I went to the freezer the next night and did a shake-and-slosh on each bottle. Of the four quarts, which one do yall think had "slosh" to it right out of the freezer. I'm talking you could make it splash and slosh in the bottle, and would truly be pourable. All of the others were locked up tight and were as immovable in the bottle, or worse, than VSOT.

Which one was the pourable oil? Couple of peeps take a guess, I'm curious what yall's impressions are. I'll fess up before I crash tonight..




Pennzoil Platinum 10w30 SM, as it's much lighter than GC, and synthetic oils have very good cold temperature properties.
 
Nope! Can't mix THESE bottles up. Yellow, black, silver, gold, and reddish brown. My little experiment fits with others' findings that GC is thicker than it's 0W30 rating would suggest at first blush. It also fits with prevailing theory that syn (and the pre November 05 PP IS a real syn, this being April2005), is always thinner cold than dino. In this case, the PP was the thinnest of all those tested, and I would expect Mobil 1 in a 5W20 and especially 0W20 to be a lot thinner still. Truthfully, I don't know how Pennzoil conventional earns it's 5W20 rating because it may have been the most "locked up" at this temperature of all of them. Same for a half-bottle of 5W20 Havoline I have left over from last week's OCI. Stuck it in the freezer last night after "GoodNight Ladies", and now, 6 hours later, it's of a VSOT-plus viscosity too.

Hardly a scientific test, but to my mind an effective practical exam of the consistency of this stuff on a cold morning, and also what your engine and oil pump are faced with every day in wintertime. Especially in the much colder climes of the northeast, mid-west and of course Canada..

We can trust that *I* for one (FWIW) will have a nice thin GENUINE syn like M1, Amsoil, or Redline (other than those, what else is real?) in the sump come the period between Thanksgiving and February's end..

Ya have to DO this to believe how thick it is in the cold.

Dr. Haas (amongst several others) is right.
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In the cold, you can't be too thin.
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Since the W spec is just a maximum viscosity at a specific temp, can't a 0w also meet the 10w spec and be correcly labled as a 10w if the manufacturer chooses?
 
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