I have been debating going from 5w30 PP to 10 w30 PP for the summer. After looking at the specs it seems that 10w30 is only slightly thicker at cold startup. Am i missing something or is the specific gravity difference in 10w30 the difference? PP does not have a 10w40. My vq35 manual for my 04 altima 3.5 se states 5w30 to 10w40.
5w30 vs' 10w30 PP. Really a difference?
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The slightly higher specific gravity for the 10W-30 could be from an additive, but it's most likely due to a percentage of higher viscosity base oil. Specific gravity tends to follow base oil viscosity.
Pennzoil Platinum 10W-30 is a great choice for summer weather as it has a 8.5 Noack volatility rating, vs. the 12.5 of the 5w30.
And PP 10W-30, with a 157 viscosity index, will provide similar start-up performance to a conventional/dino 5w30 at temps above freezing, aka, summertime in Wisconsin!
Pennzoil Platinum 10W-30 is a great choice for summer weather as it has a 8.5 Noack volatility rating, vs. the 12.5 of the 5w30.
And PP 10W-30, with a 157 viscosity index, will provide similar start-up performance to a conventional/dino 5w30 at temps above freezing, aka, summertime in Wisconsin!
Thank you.
Whenever the temps allow it, I believe a 10w30 is a better more robust oil than the same brand in a 5w30. Blue99 gave the technical version of it. Good info.
Odd that the PP 5w30 is just a touch thicker than 10W-30 at @ 100°C, cSt...
On the subject of volatility, the downside is thicker oil and a bit of loss correct?
Had a few quarts of PP 5w30 around and used it in a recent change that I'll be using over the summer.
On the subject of volatility, the downside is thicker oil and a bit of loss correct?
Had a few quarts of PP 5w30 around and used it in a recent change that I'll be using over the summer.
Patman
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What is the viscosity at 100c for PP 5w30? I was on the Pennzoil website yesterday and even downloaded the product data sheets, but they didn't have any real technical data at all.
From the PDS:
Patman
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Thanks!
And I feel dumb, because I double checked the data sheets I downloaded and they do have that info on them! I just didn't scroll to the second page.
And I feel dumb, because I double checked the data sheets I downloaded and they do have that info on them! I just didn't scroll to the second page.
The 5W20 on this oil appears to meet both its 5W and SAE 20 obligations, but it does so using a more flattenned viscosity chart than the 5W30.
First time I've ever noticed the 5W30 being BETTER for Canadian-winter style starts than the 5W20, though...
If you do a log(cSt) vs T plot, you will see that the 5W-20 and 5w30 are parallel. The 10W-30 is more steeply negatively sloped until very high temp. The 5W-20 must go solid at a higher temp than the 5w30 to give the extreme cold viscosity number in the table.
On another note, my 4.6L Ford was drinking the 5W-20 like a fish. I had to pour some Delo into the crankcase to wrangle those little molecules. It worked. The PP is one smooth oil, and seems very tough (unchanged except for color) after 5000miles.
On another note, my 4.6L Ford was drinking the 5W-20 like a fish. I had to pour some Delo into the crankcase to wrangle those little molecules. It worked. The PP is one smooth oil, and seems very tough (unchanged except for color) after 5000miles.
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