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Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ARCOgraphite] #5208423 09/09/19 11:30 AM
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Mobil 1 EP is tried and true claiming 15k, Castrol Edge EP is the new kid claiming 20k. Guess which one I would suggest.

Originally Posted by ARCOgraphite
Don't leave Valvoline Advanced Synthetic out of the conversation.

It Could out-perform the two mentioned.

Knocked my socks off - twice.

Do tell!


1995 Corvette coupe LT1 6-speed
2006 Tacoma 2.7 Base SR5 AC
2003 Honda XR400R
1999 Yamaha YZ400FL
Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ChrisD46] #5208492 09/09/19 01:06 PM
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Highest I've seen is Amsoil SS @25K.

Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ARCOgraphite] #5208917 09/10/19 03:12 AM
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Originally Posted by ARCOgraphite
Don't leave Valvoline Advanced Synthetic out of the conversation.

It Could out-perform the two mentioned.

Knocked my socks off - twice.

how come it can out perform them?
tnx

Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ARCOgraphite] #5209021 09/10/19 08:09 AM
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ARCOgraphite : I have Valvoline 5W30 Advanced Synthetic 5W30 in my Hyundai 2.4L GDI engine now with an expected OCI of 4K miles .. *Tell me about your two experiences running the Valvoline Advanced ?.
Originally Posted by ARCOgraphite
Don't leave Valvoline Advanced Synthetic out of the conversation.

It Could out-perform the two mentioned.

Knocked my socks off - twice.


'17 Hyundai Sonata 2.4L GDI 5W30 PUP / Fram Ultra #9688
'10 Hyundai Elantra 2.0L 5W30 (50%) / 5W20 (50%) QSUD / Fram Ultra #9688
'07 Kia Sedona 3.8L 5W30 Castrol EP / Fram Ultra #9999
Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ChrisD46] #5209100 09/10/19 09:51 AM
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Anecdotal evidence only with no UOAs, but I've used Castrol EP exclusively in our Mazda 6 since it has been out of warranty with no issues at all. We go 8K-10K miles or 1 year (whichever comes first) with a long life filter (currently Fram Ultra, previously Bosch Distance Plus). It's current fill is the new 20K version of Castrol EP 5W-30 with a Fram Ultra filter. It was changed at 80K and will change again at 90K or next August. While I'll never run it out to 15-20K, I do have some piece of mind knowing that if I go 12K miles or 14-15 months, I have a margin of error and am most likely not hurting anything.


2018 Ford Explorer V6, company car (Valvoline Syn)
2017 Volvo S60 Inscription Platinum (Castrol Edge A5/B5)
2012 Hyundai Sonata Limited (Castrol Edge)
2010 Mazda 6i Touring (Castrol Edge EP)



Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: Marco620] #5209135 09/10/19 10:37 AM
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Ignatius Online Sleepy
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Originally Posted by Marco620
Agreed. 6-8K on a GDi


I use Rotella Multi Vehicle 5w-30 in my 2012 Hyundai Accent with the 1.6L GDI even though that is one of the most robust 5w30 oils available I don't want to push it beyond a 7500 mile OCI. I have a jug of M1 EP I am going to try out as well and I could care less about the 15,000 mile OCI claim, I won't trust it beyond 7500 miles in a Hyundai GDI.


2018 Subaru Outback Limited - 100,000 miles
2012 Hyundai Accent GLS - 105,000 miles
2005 Dodge Sprinter 3500 - 168,000 miles
Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ChrisD46] #5209137 09/10/19 10:38 AM
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Originally Posted by Marco620
Agreed. 6-8K on a GDi


I use Rotella Multi Vehicle 5w-30 in my 2012 Hyundai Accent with the 1.6L GDI and even though that is one of the most robust 5w30 oils available I don't want to push it beyond a 7500 mile OCI. I have a jug of M1 EP I am going to try out as well and I could care less about the 15,000 mile OCI claim, I won't trust it beyond 7500 miles in a Hyundai GDI.

Last edited by Ignatius; 09/10/19 10:39 AM.

2018 Subaru Outback Limited - 100,000 miles
2012 Hyundai Accent GLS - 105,000 miles
2005 Dodge Sprinter 3500 - 168,000 miles
Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ChrisD46] #5210368 09/11/19 06:32 PM
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So what does Castrol do to get this oil to a 20k mile OCI capability ?
We know Mobil does it chiefly with high quality base stocks (go back and look at M1 EP vs M1 vanilla.)
The obvious answer would be beefy add pack, but I don't think so.
I am guessing that Castrol has some secret hydrocracking method.
What is the density of Castrol Gold Bottle ?
I have become sold on "Fluid Strength" and "Titanium."
We have been dismissive of Castrol because in the recent past, the 5 quart jugs at Walmart have been a few dollars more than other oils.
I noticed a while ago that Castrol EP is cheaper than M1 AP, so there is your value oil.


2019 Lexus UX 250h F-Sport
HPL HD 0W16 SL
@ 61k miles




Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: Direct_Rejection] #5210389 09/11/19 06:53 PM
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Originally Posted by Direct_Rejection
So what does Castrol do to get this oil to a 20k mile OCI capability ?
We know Mobil does it chiefly with high quality base stocks (go back and look at M1 EP vs M1 vanilla.)
The obvious answer would be beefy add pack, but I don't think so.
I am guessing that Castrol has some secret hydrocracking method.
What is the density of Castrol Gold Bottle ?
I have become sold on "Fluid Strength" and "Titanium."
We have been dismissive of Castrol because in the recent past, the 5 quart jugs at Walmart have been a few dollars more than other oils.
I noticed a while ago that Castrol EP is cheaper than M1 AP, so there is your value oil.


That's a very good question. I don't know what base oils Castrol is using in Edge EP. They do make some significant claims based on the IIIH, IVA and Kurt Orbahn tests, all of which are industry reputable and required.

"Castrol EDGE contains a liquid Titanium molecule which provides added strength to oils by reducing wear and increasing deposit-control performance. This dynamic system of fluid strength technology continuously responds to your engine’s every need under all conditions to deliver maximum performance."

In addition to moly and boron, they are also using this Ti additive. I felt Castrol really improved since API SN. Around 2013 they also went with a Mg/Ca additive system. I'd still give the edge on oxidation stability to Mobil 1, but Edge has the added Ti additive. I also confirmed that Edge EP has the same molecules found in Magnatec as well.


2020 - Mazda CX-30 - Mobil 1 EP 0w20
2019 - Subaru Impreza - Dealer Oil
Re: Castrol Edge EP vs. M1 EP (5W30) ? [Re: ChrisD46] #5210482 09/11/19 08:51 PM
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To achieve extended drains, not only must a quality add pak be used but the base oil(s) must also be of high quality in order to resist oxidative and thermal degradation over long drain intervals.(add pks assist the oil, not do it's job)

There's no way to know for certain what Castrol uses for it's EP as far as base oil(s), but I'd guess it has to be (at minimum) a grp3+ or better possibly w/grp5 ester.

I believe M1's VISOM is a grp3+ as well as Shell's GTL. These synthetics (grp3+) have near PAO (grp4) viscosity indices.

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