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Re: '19 Mustang GT Oil Recommendations [Re: climhazzard] #5118264
05/28/19 02:34 PM
05/28/19 02:34 PM
Joined: Jun 2003
Posts: 584
LA (Lower Alabama)
doyall Offline
doyall  Offline

Joined: Jun 2003
Posts: 584
LA (Lower Alabama)
You will probably get a bit of fuel dilution (my '18 5.0L does) unless you regularly and consistently have long periods of at-temperature operation. To combat the unwanted (to me) viscosity reduction of a pure 5W-20, I use a 50/50 mix of 5W-20/30 of the same brand. Probably winds up on the boarder line of a 20 - 30 grade at temperature.

No way I would go 5 - 6,000 miles on the factory fill.

Re: '19 Mustang GT Oil Recommendations [Re: climhazzard] #5118435
05/28/19 05:20 PM
05/28/19 05:20 PM
Joined: May 2009
Posts: 13,074
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline

Joined: May 2009
Posts: 13,074
N.H, U.S.A.
Originally Posted by climhazzard
What's the concern with the trans? Seems to be used across Ford and GM (joint developed) in some high horsepower vehicles. Sure has a lot of gears, but was built for the power.

I dont know about current production quality,

But they used to be Chinese Nankang MT-82.

I had a handful of new GT's in the day fro early 80's through late 80's.
IMO only the Warner T-10 was solid - all the
T-5 super came apart at various time for various reasons.

and that was with the low horsepower smile

But I have rotten luck. I'm sure you'll be fine.

Plastic oil pan and plastic bung plug on that yote puppy. - NO FIELD BOMBING or JACKIN !


2019 VW Jetta S 6MT OCI#0 5033mi-Castrol Edge Prof? VW508+OE Filter; '17 Subaru Crosstrek CVT OC#7 52665mi-Castrol GTX Magnatec 5W20 + SOA Filter
Re: '19 Mustang GT Oil Recommendations [Re: climhazzard] #5118537
05/28/19 06:53 PM
05/28/19 06:53 PM
Joined: Sep 2002
Posts: 1,205
Scottsdale, AZ
Toy4x4 Offline
Toy4x4  Offline

Joined: Sep 2002
Posts: 1,205
Scottsdale, AZ
Congrats! I just got my used 18 (in sig) two weeks ago (though I just got it back from the dealer today after one week due to a surging, rough idle issue).

I'd run the factory fill as per manufacturer requirements.

The filter...maybe consider this: Filter Better filtration, higher flow, but more expensive.

I started a thread about 5w30s for the 5.0 (which sort of devolved): 5w30 oil

I don't know if you're going to do your own oil changes, but I'm considering this item so I don't have Exxon Valdez #2 on my driveway: Drain valve

Post a pic!

Last edited by Toy4x4; 05/28/19 06:57 PM.

2007 Toyota 4Runner Limited V8 Titanium Metallic
M1 0w40
2018 Mustang GT Premium Ingot Silver A10 PP1
1993 Toyota 4x4 3.0 owned 20 years *SOLD*
1969 Chevelle Malibu w/ a 396 *SOLD*
Re: '19 Mustang GT Oil Recommendations [Re: climhazzard] #5118671
05/28/19 08:40 PM
05/28/19 08:40 PM
Joined: Jul 2005
Posts: 11,768
Maricopa Arizona
dave1251 Offline
dave1251  Offline

Joined: Jul 2005
Posts: 11,768
Maricopa Arizona
Use the recommended grade 10 quarts it a lot of oil and there are very few failures despite what talking heads on the web say.


make the inside of your engine oil cap white.
don't use.
Re: '19 Mustang GT Oil Recommendations [Re: ARCOgraphite] #5118692
05/28/19 08:57 PM
05/28/19 08:57 PM
Joined: Feb 2011
Posts: 51
Virginia
climhazzard Offline OP
climhazzard  Offline OP

Joined: Feb 2011
Posts: 51
Virginia
Originally Posted by ARCOgraphite
Originally Posted by climhazzard
What's the concern with the trans? Seems to be used across Ford and GM (joint developed) in some high horsepower vehicles. Sure has a lot of gears, but was built for the power.

I dont know about current production quality,

But they used to be Chinese Nankang MT-82.

I had a handful of new GT's in the day fro early 80's through late 80's.
IMO only the Warner T-10 was solid - all the
T-5 super came apart at various time for various reasons.

and that was with the low horsepower smile

But I have rotten luck. I'm sure you'll be fine.

Plastic oil pan and plastic bung plug on that yote puppy. - NO FIELD BOMBING or JACKIN !


I failed to mention that I have the 10 speed automatic. I do recall reading about the issues with the manual build quality.

Re: '19 Mustang GT Oil Recommendations [Re: climhazzard] #5119034
05/29/19 09:23 AM
05/29/19 09:23 AM
Joined: Apr 2016
Posts: 332
Florida
1978elcamino Offline
1978elcamino  Offline

Joined: Apr 2016
Posts: 332
Florida
My 2018 f150 w/ 5.0 just turned 10k over the weekend, have not noticed any oil consumption. I have rotella t6 5w40 in it now and will probably keep it in for about 7500 and send in a sample for UOA, Im curious about fuel delusion. If you follow some of the mustang boards Rotella 5w40 is commonly used. BTW, check out the Ronin drain plug for your next change.


2018 F150 5.0
2016 Ford Fusion 2.5
Re: '19 Mustang GT Oil Recommendations [Re: climhazzard] #5119418
05/29/19 04:14 PM
05/29/19 04:14 PM
Joined: Jun 2002
Posts: 2,196
southwest Mo.
wtd Offline
wtd  Offline

Joined: Jun 2002
Posts: 2,196
southwest Mo.
Originally Posted by climhazzard
As much as I'd love to run 5W30, I don't want to give Ford any reason to deny warranty coverage given the engines do have a history of issues.

I know Motorcraft filters are made by Purolater, but haven't seen much on them having holes...I thought they were fairly robust but will do some research.

Is your comment on the PPMs in new engines specific to the Coyote, or just in general suggesting dumping at 1K due to break in materials?

I think that is a smart thing to do. I have a 2014 Mustang GT that I bought new. While I have not had any engine issues, I did have several issues that were warranty issues and I fought with Ford on two of them with one of them never getting resolved since they blamed me for the paint defect. One the other defect(Radio screen was delaminating) they also tried to blame me for causing the damage and it took four months of fighting with them to finally get them to replace it. I've never had as much problem with warranty items as I've had with Ford.


2014 Mustang GT
1998 Chevy K3500
1998 Chevy K1500
(2) 1992 Cavaliers
1970 Monte Carlo
Re: '19 Mustang GT Oil Recommendations [Re: climhazzard] #5120009
05/30/19 08:01 AM
05/30/19 08:01 AM
Joined: May 2009
Posts: 13,074
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline

Joined: May 2009
Posts: 13,074
N.H, U.S.A.
Honda wouldn't replace the armrest in my FIT ( a known issue) They said I was putting too much of my weight on it.

It was poorly molded and thin and the door card would just break through.

Garbage. You have to go to the service manager or gen manager/owner to get satisfaction many times.


2019 VW Jetta S 6MT OCI#0 5033mi-Castrol Edge Prof? VW508+OE Filter; '17 Subaru Crosstrek CVT OC#7 52665mi-Castrol GTX Magnatec 5W20 + SOA Filter
Re: '19 Mustang GT Oil Recommendations [Re: ARCOgraphite] #5120465
05/30/19 04:42 PM
05/30/19 04:42 PM
Joined: Jun 2002
Posts: 2,196
southwest Mo.
wtd Offline
wtd  Offline

Joined: Jun 2002
Posts: 2,196
southwest Mo.
Originally Posted by ARCOgraphite
Honda wouldn't replace the armrest in my FIT ( a known issue) They said I was putting too much of my weight on it.

It was poorly molded and thin and the door card would just break through.

Garbage. You have to go to the service manager or gen manager/owner to get satisfaction many times.

I had to get the regional rep involved for the radio screen and what really [censored] me off was that they came out with a service bulletin about this issue on the Mustang and some other Ford vehicles right before I first took my car in for this issue. I didn't find out about the service bulletin until the end of the four months and is what I used to finally get the regional guy to replace it. What is even worse was that this part was only about $100 retail because I asked the dealer in case I had to end up paying for it and they fought with me over a lousy $100.


2014 Mustang GT
1998 Chevy K3500
1998 Chevy K1500
(2) 1992 Cavaliers
1970 Monte Carlo
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