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#4633461 - 01/13/18 10:15 AM Castrol GTX High Mileage 10w30 Noack?
mbacfp Offline


Registered: 09/02/15
Posts: 858
Loc: California
Looking into trying Vavoline Maxlife 10w 30 or Castrol GTX High Mileage 10w 30 next OCI. Castrol for some reason doesn't show or will tell me NOACK for this oil. They show for Castrol GTX, Magnatec, etc...but not High Mileage. I called and they said they cannot tell. Anyone have any ideas?
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2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8

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#4633488 - 01/13/18 10:32 AM Re: Castrol GTX High Mileage 10w30 Noack? [Re: mbacfp]
KCJeep Offline


Registered: 06/30/11
Posts: 7018
Loc: Mahzurrah!
This is old, but the PQIA tested the 5w30 several years ago and it had a NOACK of 13.3

http://www.pqiamerica.com/June%202014/castrolHM.htm

They have not tested any Castrol 10w30 that I can find, I would however expect it to be significantly lower than the 5w30.

If it is the oil you want to use just use it, NOACK is generally low on most 10w30's.
_________________________
09 Lincoln MKZ AWD 93k - M1 AFE 0w30
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09 Ford Focus 129k - GTX UltraClean 5w30
00 Chevy Lumina 196k - Supertech FS HM 5w30
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#4633502 - 01/13/18 10:39 AM Re: Castrol GTX High Mileage 10w30 Noack? [Re: mbacfp]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2889
Loc: Wet side WA
All the Noack numbers I've seen on PQIA would suggest a 9.9 to 10.0 noack.
_________________________
2004 Corolla 122510
Out: QSUD 5W-30 Purolator One 5030
In: VML 5w-30 TG4967 117530 2-8-18
2006 Duramax 74202
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 74705 4-22-18

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#4633560 - 01/13/18 11:38 AM Re: Castrol GTX High Mileage 10w30 Noack? [Re: mbacfp]
PeterPolyol Offline


Registered: 03/06/16
Posts: 1351
Loc: toronto
Blenders have been really riding the NOACK spec in the past few years, wouldn't be surprised to see lower volatility on the newest formulas

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#4633622 - 01/13/18 12:49 PM Re: Castrol GTX High Mileage 10w30 Noack? [Re: mbacfp]
mbacfp Offline


Registered: 09/02/15
Posts: 858
Loc: California
Thanks. They post NOACK for their other 10w 30 accept High Mileage. Just was curious if anyone knew why. Have a great weekend.
_________________________
2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8

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