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Does PYB 10w30 still have a sub 5 Noack? #5367414 03/04/20 06:35 PM
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Whammo Offline OP
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Does anybody still know if the Noack on this oil is still under 5?

Re: Does PYB 10w30 still have a sub 5 Noack? [Re: Whammo] #5367417 03/04/20 06:38 PM
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2013 Mazda 3 - PP 0w20
2005 Honda Odyssey - PP HM 5w20
Re: Does PYB 10w30 still have a sub 5 Noack? [Re: jayjr1105] #5367419 03/04/20 06:39 PM
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Whammo Offline OP
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Yes, I saw that but I imagine they have changed it since then.

Re: Does PYB 10w30 still have a sub 5 Noack? [Re: Whammo] #5367485 03/04/20 07:37 PM
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Originally Posted by Whammo
Yes, I saw that but I imagine they have changed it since then.

Maybe, maybe not. Probably not too many eager to send in PYB for a VOA these days with 5 quarts of full synthetic for $14


2013 Mazda 3 - PP 0w20
2005 Honda Odyssey - PP HM 5w20
Re: Does PYB 10w30 still have a sub 5 Noack? [Re: jayjr1105] #5367516 03/04/20 08:15 PM
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Whammo Offline OP
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Originally Posted by jayjr1105
Originally Posted by Whammo
Yes, I saw that but I imagine they have changed it since then.

Maybe, maybe not. Probably not too many eager to send in PYB for a VOA these days with 5 quarts of full synthetic for $14


A conventional with a 4.5 Noack is more desirable to me than a synthetic with a 10+ Noack for 3,500mi runs.

Re: Does PYB 10w30 still have a sub 5 Noack? [Re: Whammo] #5367567 03/04/20 09:14 PM
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Scuder Offline
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The latest TDS is dated 2018, probably to reflect the SN+ rating. The formula may have been tweaked to address LSPI. Calcium reduction? Would that have affected Noack?


2019 Jeep Compass
2009 Pontiac Vibe
1968 Barracuda Formula S 340
Re: Does PYB 10w30 still have a sub 5 Noack? [Re: Whammo] #5367621 03/04/20 10:02 PM
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IndyFan Offline
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Originally Posted by Whammo
Originally Posted by jayjr1105
Originally Posted by Whammo
Yes, I saw that but I imagine they have changed it since then.

Maybe, maybe not. Probably not too many eager to send in PYB for a VOA these days with 5 quarts of full synthetic for $14


A conventional with a 4.5 Noack is more desirable to me than a synthetic with a 10+ Noack for 3,500mi runs.


Why?


18 Jeep JLUR Wrangler 3.6 31k
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Re: Does PYB 10w30 still have a sub 5 Noack? [Re: IndyFan] #5367631 03/04/20 10:14 PM
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BurntMusic Offline
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Originally Posted by IndyFan
Originally Posted by Whammo
Originally Posted by jayjr1105
Originally Posted by Whammo
Yes, I saw that but I imagine they have changed it since then.

Maybe, maybe not. Probably not too many eager to send in PYB for a VOA these days with 5 quarts of full synthetic for $14


A conventional with a 4.5 Noack is more desirable to me than a synthetic with a 10+ Noack for 3,500mi runs.


Why?


I remember seeing here that new oil tends to burn off faster initially then flattens out. By constantly changing your oil at 3,500 mile increments with synthetic and a noack of 10% you will have more burn off (maybe carbon buildup??) than using a conventional of 4.5% noack.

I'm sure someone will correct me if I'm wrong.


2017 VW Golf 1.8T (Castrol 5w40 dealership bulk + OEM filter)
PP Euro 5w40 SN Plus VOA
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