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#4805306 - 07/04/18 08:22 PM Royal Purple vs Mobil 1 EP vs Supertech Syn
wolf_06 Offline


Registered: 06/11/12
Posts: 493
Loc: Atlantic, Canada
All those 3 are new in 5 L jug at my local walmart, the supertech is a good price, any good compared to the other two?

Thanks
_________________________
2011 Chevy Cruze 1.8L 6AT
Castrol Magnatec syn blend 5w30, NAPA filter.

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#4805319 - 07/04/18 08:40 PM Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: wolf_06]
JLTD Offline


Registered: 12/15/17
Posts: 831
Loc: US
Over a short interval? Likely the same results. Where the RP and EP will shine is with an extended interval.
_________________________
Hers: 2008 Jeep Liberty 135k, AMSOIL SS 5w30/same

His: 2015 4Runner SR5 1GR-FE 39k, AMSOIL OE 5w20/Wix

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#4805349 - 07/04/18 10:07 PM Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: wolf_06]
Triple_Se7en Offline


Registered: 12/04/04
Posts: 8913
Loc: 1/2 hr. north of Detroit
Originally Posted By: wolf_06
All those 3 are new in 5 L jug at my local walmart, the supertech is a good price, any good compared to the other two?

Thanks


Mobil-1 EP 14K
Royal Purple 11K
Supertech 8K

Those would be my OCIs running those 3 brands.
I have no fuel/coolant dilution concerns and I run a 50-50 mix of highway / city.

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#4805528 - 07/05/18 08:28 AM Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: wolf_06]
CT8 Offline


Registered: 10/09/14
Posts: 11210
Loc: Idaho
The M1 may have better Base stocks but who really knows which is better.
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4805827 - 07/05/18 12:56 PM Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: Triple_Se7en]
MobilinHyundia Offline


Registered: 09/27/10
Posts: 367
Loc: Ontario, Canada
Originally Posted By: Triple_Se7en
Originally Posted By: wolf_06
All those 3 are new in 5 L jug at my local walmart, the supertech is a good price, any good compared to the other two?

Thanks


Mobil-1 EP 14K
Royal Purple 11K
Supertech 8K

Those would be my OCIs running those 3 brands.
I have no fuel/coolant dilution concerns and I run a 50-50 mix of highway / city.


I did several 17K runs with Castrol EP, Gold bottle and the UOA reports were excellant.. Driving 70/30 highway/ city. That is with my 2009 Hyundai Sonata 2.4L
_________________________
2009 Sonata GL 2.4L (226000km)-QS FS 5W20 ,OEM oil filter
2009 Sonata LTD 2.4L (170000km)Castrol Egde 5W20, RP filter

24000km/15000 mile oci so far

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