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PP D1G2 vs QSUD D1G2 viscosity differences.. #4619987
12/31/17 06:51 PM
12/31/17 06:51 PM
Joined: Dec 2005
Posts: 677
New England
jdavis Offline OP
jdavis  Offline OP

Joined: Dec 2005
Posts: 677
New England
https://bobistheoilguy.com/forums/ubbthr...1G2#Post4573299

https://bobistheoilguy.com/forums/ubbthr...Dur#Post4546402

Noticed the new formulations have quite different viscosity at 100C - any thoughts as to why that would be? In the past everyone figured that they must be so similar, even going as far as saying they believe QSUD might use the same GTL base however what do you think now?

Re: PP D1G2 vs QSUD D1G2 viscosity differences.. [Re: jdavis] #4620206
01/01/18 01:15 AM
01/01/18 01:15 AM
Joined: Dec 2006
Posts: 19,453
Dallas,Tx USA
aquariuscsm Offline
aquariuscsm  Offline

Joined: Dec 2006
Posts: 19,453
Dallas,Tx USA
I'm really liking the QSUD in my Accord. I may try it in my 300ZX next oil change.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum HM 10W30

Re: PP D1G2 vs QSUD D1G2 viscosity differences.. [Re: jdavis] #4620236
01/01/18 02:17 AM
01/01/18 02:17 AM
Joined: Dec 2016
Posts: 8,038
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,038
Waco, TX
Originally Posted By: jdavis
any thoughts as to why that would be? In the past everyone figured that they must be so similar, even going as far as saying they believe QSUD might use the same GTL base however what do you think now?


Obviously, there is either a bit of difference in the base stocks, or the additives (pour-point depressant and viscosity improvers?)

But if you aren't in the know and don't have the "recipe"..... it would be really hard to nail down the cause.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: PP D1G2 vs QSUD D1G2 viscosity differences.. [Re: Linctex] #4620340
01/01/18 09:14 AM
01/01/18 09:14 AM
Joined: Dec 2005
Posts: 677
New England
jdavis Offline OP
jdavis  Offline OP

Joined: Dec 2005
Posts: 677
New England
Originally Posted By: Linctex
Originally Posted By: jdavis
any thoughts as to why that would be? In the past everyone figured that they must be so similar, even going as far as saying they believe QSUD might use the same GTL base however what do you think now?


Obviously, there is either a bit of difference in the base stocks, or the additives (pour-point depressant and viscosity improvers?)

But if you aren't in the know and don't have the "recipe"..... it would be really hard to nail down the cause.


I think so too judging by the flash points of both..

I also think the PP would be less shear prone

Last edited by jdavis; 01/01/18 09:15 AM.
Re: PP D1G2 vs QSUD D1G2 viscosity differences.. [Re: jdavis] #4620395
01/01/18 10:32 AM
01/01/18 10:32 AM
Joined: Oct 2003
Posts: 258
NJ
crainholio Offline
crainholio  Offline

Joined: Oct 2003
Posts: 258
NJ
They've reduced moly quite a bit, still more than the majority of the field but a disappointing hit. The lower calcium isn't surprising given the whole low speed pre-ignition (LSPI) requirement of D1G2 but also disappointing. I have enough stashed while I wait for a few UOA data points to see how these new formulations perform.

Re: PP D1G2 vs QSUD D1G2 viscosity differences.. [Re: crainholio] #4620411
01/01/18 10:47 AM
01/01/18 10:47 AM
Joined: Dec 2005
Posts: 677
New England
jdavis Offline OP
jdavis  Offline OP

Joined: Dec 2005
Posts: 677
New England
Originally Posted By: crainholio
They've reduced moly quite a bit, still more than the majority of the field but a disappointing hit. The lower calcium isn't surprising given the whole low speed pre-ignition (LSPI) requirement of D1G2 but also disappointing. I have enough stashed while I wait for a few UOA data points to see how these new formulations perform.


Hopefully it's just a different type of moly.. it's on par with Mobil 1 numbers I see

Last edited by jdavis; 01/01/18 10:51 AM.
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