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Should I be running high mileage oil? #4525961
09/25/17 03:19 PM
09/25/17 03:19 PM
Joined: Sep 2017
Posts: 27
canada
apollo18 Offline OP
apollo18  Offline OP
Joined: Sep 2017
Posts: 27
canada
hey guys! i know this has been discussed a million times, but never know what if our gm engines LOVE a specific type of oil.

So my truck is an 2007 escalade with a l92 vortec 6200 6.2L, on the original engine with 330,000 km's on it.

In the past it was always on Mobil 1 synthetic from the dealership, at 290k i started using amsoil for a couple changes, then royal purple for a couple, and now ive been running pennzoil ultra platinum. I heard the ultra platinum had the best protection from forums and stuff. There was some psi protection thing and Ultra Platinum had the best protection; The main problem with my engine is noisy lifters so im hoping an oil could silence that maybe, also winter is coming soon and temperatures could hit -35 celcius. I am going to be getting my oil changed soon, and i wanna try castrol edge extended performance since i havent tried it in this engine yet. With all the oils, I felt that the lifter noise was the same so maybe that will never get fixed but whatever. I guess i want the best oil for the cold winter coming up soon. Also I barely ever do any highway miles tho. its basically 90 percent driven short distances which is worse.

So since I haven't tried Castrol yet, I want to try the CASTROL EDGE EXTENDED PERFORMANCE but since my engine has alot of kilometers on it, i see they have a high mileage oil as well. CASTROL EDGE HIGH MILEAGE. Should I be running the high mileagle or it doesnt matter? ive never ran a high mileage oil before but i heard that they are usually of lower quality

Re: Should I be running high mileage oil? [Re: apollo18] #4525970
09/25/17 03:39 PM
09/25/17 03:39 PM
Joined: Oct 2005
Posts: 7,094
Colorado
Kuato Offline
Kuato  Offline
Joined: Oct 2005
Posts: 7,094
Colorado
If it is not leaking there is no need for a high mileage oil, IMO.


Thick vs Thin test: 15k / 43k miles complete
Re: Should I be running high mileage oil? [Re: apollo18] #4525974
09/25/17 03:47 PM
09/25/17 03:47 PM
Joined: Sep 2017
Posts: 27
canada
apollo18 Offline OP
apollo18  Offline OP
Joined: Sep 2017
Posts: 27
canada
yeah its not! its never burned oil in its life. only time it did was with Royal Purple XPR but that stuff is meant for racing and stuff lol.

Re: Should I be running high mileage oil? [Re: apollo18] #4526003
09/25/17 04:14 PM
09/25/17 04:14 PM
Joined: Mar 2008
Posts: 7,343
USA
slacktide_bitog Online content
slacktide_bitog  Online Content
Joined: Mar 2008
Posts: 7,343
USA
welcome

Any good 5w30 will be fine for the OCI suggested by your OLM smile

Re: Should I be running high mileage oil? [Re: apollo18] #4526004
09/25/17 04:15 PM
09/25/17 04:15 PM
Joined: Mar 2017
Posts: 6,522
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 6,522
...
Why not go back to Mobil1? It seems all your issues started when you began to use other brands.


Cannot see signatures any longer so it doesn’t matter.
Re: Should I be running high mileage oil? [Re: apollo18] #4526016
09/25/17 04:25 PM
09/25/17 04:25 PM
Joined: Aug 2011
Posts: 9,560
Boston, MA
HerrStig Offline
HerrStig  Offline
Joined: Aug 2011
Posts: 9,560
Boston, MA
No oil I know of will fix a worn engine.

Re: Should I be running high mileage oil? [Re: apollo18] #4526027
09/25/17 04:29 PM
09/25/17 04:29 PM
Joined: Mar 2004
Posts: 21,123
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,123
Upstate NY
Use HM oil only when your rear main seal leaks. For other leaks fix the seal/gasket.

Go back to Mobil 1. If it still has lifter noise, turn up radio or replace the lifters, maybe they are worn. You engine will not last forever with only oil changes. It needs some maint at this mileage.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Should I be running high mileage oil? [Re: apollo18] #4526054
09/25/17 05:05 PM
09/25/17 05:05 PM
Joined: Jun 2002
Posts: 3,522
Chattanooga, TN
Spector Offline
Spector  Offline
Joined: Jun 2002
Posts: 3,522
Chattanooga, TN
Agree, if no consumption there is no need for HM oil. In Canada, for the winter, I would personally run a 0W20 or 0W30 oil for those cold starts.

Re: Should I be running high mileage oil? [Re: apollo18] #4526088
09/25/17 05:42 PM
09/25/17 05:42 PM
Joined: Oct 2014
Posts: 12,582
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,582
Idaho
Try a 0W-40.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Should I be running high mileage oil? [Re: apollo18] #4526117
09/25/17 06:20 PM
09/25/17 06:20 PM
Joined: Jun 2016
Posts: 3,566
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 3,566
MN
High Mileage oil will deliver more seal conditioners to old seals. Its preventative. Its to keep future leaks from developing. .... Old is old. A little extra seal conditioner could help, and won't hurt. It won't swell them out of shape since the oil makers know the difference between conditioning brittle old seals vs. swelling them. All the SN or dexos1 seal swelling tests still pass just fine, so its conditioning that happens.

Re: Should I be running high mileage oil? [Re: apollo18] #4526127
09/25/17 06:25 PM
09/25/17 06:25 PM
Joined: Feb 2013
Posts: 11,091
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 11,091
Phoenix, AZ
No need for HM oil.

-35? Buy Mobil 1 0w30. I'll even be running it here in the desert, because I bought it on clearance.


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Should I be running high mileage oil? [Re: apollo18] #4526165
09/25/17 07:11 PM
09/25/17 07:11 PM
Joined: Nov 2004
Posts: 7,805
Texas
GMBoy Offline
GMBoy  Offline
Joined: Nov 2004
Posts: 7,805
Texas
I agree with keeping your original Mobil 1 diet. With that, it won't hurt to go Mobil 1 High Mileage. It has a litte more detergents as well as a little seal conditioner (not a seal sweller) and that's a good thing. My vote is Mobil 1 High Mileage either 5w/30 or 10w/30.

Re: Should I be running high mileage oil? [Re: apollo18] #4526194
09/25/17 07:47 PM
09/25/17 07:47 PM
Joined: Jul 2009
Posts: 747
texas
danez_yoda Offline
danez_yoda  Offline
Joined: Jul 2009
Posts: 747
texas
original spec is 5w30. you might try a thicker oil like 0W-40 to see if that quiets things down a little. Tolerances are looser now so a thicker oil will build a thicker film and maybe make less noise.

I've seen it over and over. Want a quick try without committing to a full OCI, at the end of an OCI, try STP and see if the engine noise gets lower. STP only thickens the oil no magic.

Re: Should I be running high mileage oil? [Re: apollo18] #4526286
09/25/17 10:03 PM
09/25/17 10:03 PM
Joined: Jul 2016
Posts: 204
Albury, NSW
JFAllen Offline
JFAllen  Offline
Joined: Jul 2016
Posts: 204
Albury, NSW
High mileage oils have never really gained much traction in the Australian market place, in fact, outside of valvoline, I'm not sure anyone actually markets one here at all? As others have stated, if it's getting a little noisier, a step up to a 40 or even 50W oil can help pick up the slack.

And as others have mentioned, if a seal / gasket is leaking. simply replace it if you can. That's always the best course of action.

Regards
Jordan

Re: Should I be running high mileage oil? [Re: apollo18] #4526324
09/26/17 12:03 AM
09/26/17 12:03 AM
Joined: Feb 2011
Posts: 6,769
Hudson, NH
LeakySeals Offline
LeakySeals  Offline
Joined: Feb 2011
Posts: 6,769
Hudson, NH
Check your exhaust manifold bolts. Make sure they are all still there.


06 Escalade 6.0L LQ9 AWD 165k M1 0w40
03 Maxima 3.5L POS 152k ST HM 10w30
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