Which oils have a NOACK value < 10% ???

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grndslm

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In particular, I'm looking for:

- 5w-40 && 5w-30
- 0w-40 && 0w-30

I'll be buying whatever is cheaper at the time, which will likely be the 5w's. And I've read that RedLine has the lowest NOACK, around 6%. So that's something that I'll want to try out at some point, I'm sure.

But feel free to post 0w-20 && 5w-20 with NOACK values < 10%, as well. I'm sure the info will be helpful to others. My uncle just purchased a 2013 Accord, which recommends these Xw-20 oils.... so definitely don't hold back the goods.
 
Google search various oils, go to their website and there's your answer. Or, do you want us to do the work for you?
wink.gif
 
You will not find any Major 0w20's with a NOACK of less than 10%. The RL, RLI Motul maybe.

If you want a low NOACK use PU 5w20 which is around 6%.

Most Valvoline Synpower oils are right on 10% which is darn good. PU shows the best across the board 5%-6%.
 
Originally Posted By: Turk
Google search various oils, go to their website and there's your answer. Or, do you want us to do the work for you?
wink.gif



Umm... Yes, please.

Nobody's twisting your arm to post around here, I hope. This is a voluntary association, no?

I wasn't expecting the list of such oils to require the fingers of two hands.
 
Originally Posted By: Quattro Pete
Any oil meeting MB 229.5 (and maybe also the older 229.3) spec will have NOACK of 10% or less.


Yep using a 229.5 oil gets you low noack, and much more.

229.3 allows up to 13%.
 
So if your Accord is new, why are you not going to use the OEM oil?? If you have to do short OCI's to stay within the warranty terms, the OEM oil is probably going to be the best choice. Outside the warranty is a different game, BUT you need to specify your OCI as oils like Redline night have a good Nooky figure but fall apart real fast in TBN terms, as it has more of a race oil add pack. Good stuff for 5K mile OCI's not too clever at 10K miles judging from some previous UOA results in this forum.
 
There are a lot of important considerations in selecting an oil, NOACK volatility is only one of them...among the others would be cleaning ability (subjective, I know), HTHS, VI, drain interval, and yes, price and availability...If it's for your Uncle's Accord, then I would say that getting the oil changed on time is more important than NOACK #s...so, pick one that he can easily afford and easily find, and that may just be the Honda oil...If we're talking about the Volvo and Corolla, then I would worry about cost and availability for the Corolla and change it at 5,000 miles, and ACEA A1/B1 for the Volvo and change it at 7,500 miles and many oils will do well in those cars...not just the ones with the lowest NOACK, none of the cars listed run high oil temps...
 
Last edited:
Astro14,

There are definitely other factors that come into play, but the NOACK value seems like a pretty good indicator of low VI improvers, and high HTHS, etc.

Whole reason I'm asking is not for my specific cars, but just to have a list of "premium" oils that I would know to buy the entire stock of if I saw it on sale. Take the T6 oil, for example. Had I seen that when I was actually looking to buy some good 5W-40, I would have bought two gallons for every house my friends and family members own. Oh well... the PP looks to be a better deal, honestly. So no real loss. But still would like a generic list for future use. The 229.5 list looks pretty good; I'll just have to filter out those oils which we can actually find in the U.S.

Lastly, for my uncle's 2013 Accord. He's still on the original, break-in oil at ~7,500 miles, and the dash is still telling him that he's got "40% oil life" left!!! I told him that break-in oil should be changed out MORE frequently, not less. He said that the dealership told him to keep this break-in oil (moly based?) in there for the entire OCI. I disagree with dealerships more often than not, so there's no surprise that I think keeping this moly-based, break-in oil in there for 13k miles is NOT wise. But what do I know??
 
PU 5w30 have a low NOACK of 6.6%

http://www.pqiamerica.com/March2013PCMO/consolidatedpagefinl.html?utm_source=March+5%2C+2013&utm_campaign=March+3%2C2013&utm_medium=email
 
Originally Posted By: chubbs1
You will not find any Major 0w20's with a NOACK of less than 10%. The RL, RLI Motul maybe.

If you want a low NOACK use PU 5w20 which is around 6%.

Most Valvoline Synpower oils are right on 10% which is darn good. PU shows the best across the board 5%-6%.


Pennzoil Platinum 0W-20 now has a Noack of 8.9. Just bought some at WalMart for my son's Dodge Dart as 0W-20 is the recommended oil.

http://www.epc.shell.com/Docs/GPCDOC_X_cbe_24855_key_140007466171_201212050515.pdf
 
Originally Posted By: grndslm
Originally Posted By: Turk
Google search various oils, go to their website and there's your answer. Or, do you want us to do the work for you?
wink.gif



Umm... Yes, please.

Nobody's twisting your arm to post around here, I hope. This is a voluntary association, no?

I wasn't expecting the list of such oils to require the fingers of two hands.


Notice the wink? Someone's gotta razz ya...
wink.gif
 
Originally Posted By: friendly_jacek
good 10W30 will give lower NOAK compared to the weights stated by OP.

Not necessarily. An oil that doesn't flow well at low temperature doesn't directly relate to one that is high-temperature stable. Here's an example:

Red Line NOACK
10w40 = 6
10w30 = 6
5w-40 = 6
5w-30 = 6
 
Originally Posted By: friendly_jacek
good 10W30 will give lower NOAK compared to the weights stated by OP.


M1 0w-40 has a lower NOACK (8.8%) than MANY 10w-30's, including those from Valvoline's synthetic lineup.
 
a lot depends on what oils + add packs are used, thank castrol for blurring the legal "synthetic" classification! redlines more costly ester oils are more heat resistant by nature. only ester oils can LIVE in jet engines, but they are a different formulation for sure! and very $$$$$
 
Originally Posted By: chubbs1
You will not find any Major 0w20's with a NOACK of less than 10%. The RL, RLI Motul maybe.

If you want a low NOACK use PU 5w20 which is around 6%.

Most Valvoline Synpower oils are right on 10% which is darn good. PU shows the best across the board 5%-6%.


I agree, however

Originally Posted By: CATERHAM
For a 20wt application a very low NOACK is not necessary since maximum oil temp's are low.


http://www.bobistheoilguy.com/forums/ubb...925#Post3151925
 
Originally Posted By: grndslm
In particular, I'm looking for:

- 5w-40 && 5w-30
- 0w-40 && 0w-30

I'll be buying whatever is cheaper at the time, which will likely be the 5w's. And I've read that RedLine has the lowest NOACK, around 6%. So that's something that I'll want to try out at some point, I'm sure.

But feel free to post 0w-20 && 5w-20 with NOACK values < 10%, as well. I'm sure the info will be helpful to others. My uncle just purchased a 2013 Accord, which recommends these Xw-20 oils.... so definitely don't hold back the goods.

NOACK is more of a footnote spec' that doesn't have much importance in most applications unless you're routinely seeing very high oil temp's. Remember the NOACK test is taken at 250C (482F).
In most street applications you're not seeing high oil temp's and even oils with 14% NOACK often return show no measureable oil consumption which means the high NOACK oil is any significant oil consumption.

That said, for your uncle's 2013 Accord I'd recommend TGMO 0W-20 which has a NOACK of 10.3% according to VOA mentioned in the following thread:
https://bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=3151239&page=9
 
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