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Castrol FS High Mileage oils #4712994
04/01/18 06:53 AM
04/01/18 06:53 AM
Joined: Aug 2012
Posts: 138
Kentucky
fordman65 Offline OP
fordman65  Offline OP
Joined: Aug 2012
Posts: 138
Kentucky
Does anyone have information on the drain interval for these oils?
Any weight of their oils.
I can not find that information anywhere.
In my non scientific opinion, I am thinking 7500 to 10,000 miles.

Thank you.


97 Mercury Gran Marquis GS 4.6L V-8 255k miles
Castrol FS HM 5W-30
WIX Oil 51372 or M1210A

2004 Buick Rainer CL 4.2 6 cyl DOHC
140,000 miles
Castrol Magnatec 5w-30
WIX 51522 or Mobil 1 M1-206
Re: Castrol FS High Mileage oils [Re: fordman65] #4713121
04/01/18 08:47 AM
04/01/18 08:47 AM
Joined: Dec 2016
Posts: 7,199
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,199
Waco, TX
It depends more on the engine than on the oil.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Castrol FS High Mileage oils [Re: fordman65] #4713191
04/01/18 10:03 AM
04/01/18 10:03 AM
Joined: Oct 2009
Posts: 3,529
Wet side WA
JohnnyJohnson Online content
JohnnyJohnson  Online Content
Joined: Oct 2009
Posts: 3,529
Wet side WA
Their Gold Jug Castrol Extended Protection is rated for 15,000 mile OCI's.

Its right on the Jug what ever that's worth.


Last edited by JohnnyJohnson; 04/01/18 10:27 AM.

2004 Corolla 126884
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74478
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: Castrol FS High Mileage oils [Re: fordman65] #4713350
04/01/18 02:36 PM
04/01/18 02:36 PM
Joined: Apr 2013
Posts: 2,425
The Northeast
mclasser Offline
mclasser  Offline
Joined: Apr 2013
Posts: 2,425
The Northeast
UOA will be your best bet but a quality syn like Castrol should have no problem doing 7500 miles.


2018 Hyundai Elantra VE -- 6K
2013 Honda Pilot EX-L 4WD -- 57K
2002 Honda Accord EX-L -- 212K

Re: Castrol FS High Mileage oils [Re: fordman65] #4719955
04/07/18 07:48 PM
04/07/18 07:48 PM
Joined: Jul 2010
Posts: 855
TX
Lethal1ty17 Offline
Lethal1ty17  Offline
Joined: Jul 2010
Posts: 855
TX
On 5w20 Edge EP I've had UOA's at just over 11k with good results. Currently closing in on 10k for the current fill of it.


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