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#4511298 - 09/09/17 05:02 AM Castrol Edge - Now marketed for GDI ?
ChrisD46 Offline

Registered: 09/10/10
Posts: 1810
Loc: GA.
I saw now that Castrol Edge is marketed for it's low calcium formulation to appeal to GDI engine owners ... I believe only GDI turbo engine owners should worry about higher calcium levels (i.e. LSPI) while non-turbo GDI is not impacted ?
2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder

#4511363 - 09/09/17 07:43 AM Re: Castrol Edge - Now marketed for GDI ? [Re: ChrisD46]
pbm Offline

Registered: 04/19/04
Posts: 7423
Loc: New York
That's my understanding after reading the Oronite paper.
Mobil 1 has been low calcium for a while and I think that will be the future trend for a while as small GDI turbo engines are becoming more mainstream. I have had no problems running higher calcium oils (QSUD, PP etc...) in my GDI non-turbo Focus.

#4511390 - 09/09/17 08:36 AM Re: Castrol Edge - Now marketed for GDI ? [Re: ChrisD46]
Danh Offline

Registered: 10/16/10
Posts: 1677
Loc: .
I don't recall seeing any UOA that suggests Castrol is low-calcium; most seem to have about the same calcium level as SOPUS products and much more than M1. Or maybe this is a recent forumaltion change?

#4511449 - 09/09/17 10:29 AM Re: Castrol Edge - Now marketed for GDI ? [Re: ChrisD46]
wemay Offline

Registered: 04/04/12
Posts: 8360
Loc: Southeast Florida
OP, yes, LSPI is an issue for some small displacement direct injectioned turbo applications. This has not been an issue for GDi normally aspirated vehicles. As per formulation changes, Havoline has lowered Calcium as per current voa. I'm sure others have as well or will follow suit.
17 Hyundai Sonata 2.4 | RP 5w20 | OEM | WIX
13 Hyundai Santa Fe 2.0T | PP 5w30 | OEM | WIX (Wife)
18 Honda HR-V 1.5, CVT | FF 0w20 | OEM | OEM (Mom)

#4511464 - 09/09/17 10:50 AM Re: Castrol Edge - Now marketed for GDI ? [Re: ChrisD46]
Whimsey Offline

Registered: 12/22/02
Posts: 3945
Loc: The Garden State
I recently posted in the UOA forum my 7,000 mile run with Mobil 1 5W-30 in our 2017 2.3 EcoBoost Explorer. It showed that the Mobil 1 5W-30 has a reading of 1025 for calcium and 544 for magnesium. That's about half the calcium you usually see but they are now using some magnesium instead. Obviously it's working because my wear metals were low and after 7,000 miles the TBN was 3.9.


#4511471 - 09/09/17 11:10 AM Re: Castrol Edge - Now marketed for GDI ? [Re: ChrisD46]
bigj_16 Offline

Registered: 07/03/17
Posts: 1239
Loc: Douglas County, Colorado
It seems like MOST of the M1 oils are in the 1000 range or lower. I would like to run Redline or some other oils, but even though supposedly some additives mitigate calcium's influence on LSPI, why not just use a low calcium oil? The shearing/dilution issue can be managed through OCI, etc., not so the calcium.

#4511488 - 09/09/17 11:35 AM Re: Castrol Edge - Now marketed for GDI ? [Re: ChrisD46]
Nick1994 Offline

Registered: 02/19/13
Posts: 9605
Loc: Phoenix, AZ
GDI vehicles don't like calcium?

I guess I'll stop feeding my Sonata milk.
2015 Hyundai Sonata 2.4L 74k PU 5w30 & OEM
2000 Toyota Camry 2.2L 227k M1 AFE 0w30 & Wix
1996 Jeep Cherokee 4.0L 145k M1 HM 10w40 & Fram Ultra

#4511541 - 09/09/17 12:57 PM Re: Castrol Edge - Now marketed for GDI ? [Re: Nick1994]
Kamele0N Offline

Registered: 02/09/15
Posts: 1835
Loc: Slovenia
Originally Posted By: Nick1994
GDI vehicles don't like calcium?

I guess I'll stop feeding my Sonata milk.

If you will read that topic will realize that only TURBO gdi vehicles have that problem wink
2011 Hyundai i30 1.4 CVVT Shell Helix Ultra 5w40
1997 Toyota Landcruiser KZJ95 3.0 TD various 10w40