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Royal Purple vs Mobil 1 EP vs Supertech Syn #4805306
07/04/18 07:22 PM
07/04/18 07:22 PM
Joined: Jun 2012
Posts: 526
Atlantic, Canada
wolf_06 Offline OP
wolf_06  Offline OP
Joined: Jun 2012
Posts: 526
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.
Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: wolf_06] #4805319
07/04/18 07:40 PM
07/04/18 07:40 PM
Joined: Dec 2017
Posts: 1,245
US
JLTD Offline
JLTD  Offline
Joined: Dec 2017
Posts: 1,245
US
Over a short interval? Likely the same results. Where the RP and EP will shine is with an extended interval.


I'm a thickie; assimilate
But 20s have their place

Using AMSOIL

Hers: 2008 Jeep Liberty 138k, SS 5w30/Amsoil

His: 2015 4Runner 41k, OE 5w20/Wix

Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: wolf_06] #4805349
07/04/18 09:07 PM
07/04/18 09:07 PM
Joined: Dec 2004
Posts: 9,528
1/2 hr N.E. of Detroit
Triple_Se7en Offline
Triple_Se7en  Offline
Joined: Dec 2004
Posts: 9,528
1/2 hr N.E. 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.


She's the only sister-in-law I have. But she's not my favorite.
Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: wolf_06] #4805528
07/05/18 07:28 AM
07/05/18 07:28 AM
Joined: Oct 2014
Posts: 12,328
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,328
Idaho
The M1 may have better Base stocks but who really knows which is better.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Royal Purple vs Mobil 1 EP vs Supertech Syn [Re: Triple_Se7en] #4805827
07/05/18 11:56 AM
07/05/18 11:56 AM
Joined: Sep 2010
Posts: 370
Ontario, Canada
MobilinHyundia Offline
MobilinHyundia  Offline
Joined: Sep 2010
Posts: 370
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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