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5W-20 in a 2013 Mustang GT? Seriously? #2645605
06/05/12 09:49 AM
06/05/12 09:49 AM
Joined: Oct 2005
Posts: 1,032
East Central Missouri
kballowe Offline OP
kballowe  Offline OP
Joined: Oct 2005
Posts: 1,032
East Central Missouri
2013 Mustang GT
6-speed manual
.373 LS with Brembo's
5.0L V8 420 HP - with 8 quart sump

Car will occasionally be 'driven'
Do not anticipate any track time

Manufacturer recommends 5W-20

Your thoughts?


Last edited by kballowe; 06/05/12 09:50 AM.
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645608
06/05/12 09:51 AM
06/05/12 09:51 AM
Joined: Oct 2010
Posts: 5,410
Florida
Artem Offline
Artem  Offline
Joined: Oct 2010
Posts: 5,410
Florida
I guess follow the manufacturer's recommendation and see how she holds up. popcorn

They wouldn't try to screw you, would they? whistle


2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart. (thanks Advance Auto Parts for the awesome deal)
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645609
06/05/12 09:51 AM
06/05/12 09:51 AM
Joined: Dec 2006
Posts: 627
Lynchburg, Va
JasonC Offline
JasonC  Offline
Joined: Dec 2006
Posts: 627
Lynchburg, Va
If you want to maintain your warranty use 5w20.


2012 Buick Verano 2.4
2006 Ford Mustang GT Convertible
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645611
06/05/12 09:52 AM
06/05/12 09:52 AM
Joined: Jul 2005
Posts: 9,913
FT Hood TX
dave1251 Offline
dave1251  Offline
Joined: Jul 2005
Posts: 9,913
FT Hood TX
How would using 5W-20 be bad?


make the inside of your engine oil cap white.
don't use.
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: dave1251] #2645616
06/05/12 09:56 AM
06/05/12 09:56 AM
Joined: Oct 2005
Posts: 1,032
East Central Missouri
kballowe Offline OP
kballowe  Offline OP
Joined: Oct 2005
Posts: 1,032
East Central Missouri
Originally Posted By: dave1251
How would using 5W-20 be bad?


I dunno. That's why I'm asking. I ran that 5W-20 stuff in a Marquis 4.6L for 278,xxx miles but it was an "interstate" go-to-work daily driver w 5k OCI's on Motorcraft syn blend.

???

Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645622
06/05/12 10:00 AM
06/05/12 10:00 AM
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
2 gallon sump - any other questions?

Last edited by ARCOgraphite; 06/05/12 10:00 AM.

2014 Nissan Rogue S CVT, OC#10 47272mi-QSUD10W30+5w20 Toughguard Filter; '17 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645627
06/05/12 10:04 AM
06/05/12 10:04 AM
Joined: Jul 2005
Posts: 9,913
FT Hood TX
dave1251 Offline
dave1251  Offline
Joined: Jul 2005
Posts: 9,913
FT Hood TX
8 quarts of oil the last time I checked was still quite of bit of oil for gasoline engine in a car. Also does the 13GT have a oil cooler? If it does that is more reason to use a 5W-20.


make the inside of your engine oil cap white.
don't use.
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645633
06/05/12 10:08 AM
06/05/12 10:08 AM
Joined: Apr 2011
Posts: 3,894
missouri usa
Dakota1820 Offline
formerly chevyboy14
Dakota1820  Offline
formerly chevyboy14
Joined: Apr 2011
Posts: 3,894
missouri usa
Well I can answer the above question^ its because it sounds very thin And makes you thinkwow if I get on this thing will that oil be enough to protect it. I know the technology is better but I have a bad feeling about running anything thinner than a 30 weight. Why? Old habits I guess. But I wouldn't use super thin oil in a car I was going to beat on or a truck that was hauling but that's just me


2004 Honda civic vp -m1 5w30
1998 Saturn sl2 -mobil super 5000 5w30

Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645637
06/05/12 10:11 AM
06/05/12 10:11 AM
Joined: Jul 2011
Posts: 730
NC USA
Roadkingnc Offline
Roadkingnc  Offline
Joined: Jul 2011
Posts: 730
NC USA
The gt500 specs 5w50 5.4 supercharged

Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645639
06/05/12 10:11 AM
06/05/12 10:11 AM
Joined: Jan 2008
Posts: 4,992
Milwaukee, WI
bepperb Offline
bepperb  Offline
Joined: Jan 2008
Posts: 4,992
Milwaukee, WI
Motorcraft 5-20 with the Motorcraft filter all day long.


2004 Highlander 2.4
2011 Toyota Sienna 3.5
Recently Gone:
2006 Accord 2.4l K24A8
1993 Kawi EX 500
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645643
06/05/12 10:14 AM
06/05/12 10:14 AM
Joined: Oct 2005
Posts: 11,408
PA
d00df00d Offline
d00df00d  Offline
Joined: Oct 2005
Posts: 11,408
PA
Originally Posted By: kballowe
2013 Mustang GT
6-speed manual
.373 LS with Brembo's
5.0L V8 420 HP - with 8 quart sump

I salute you.


Originally Posted By: kballowe
Car will occasionally be 'driven'
Do not anticipate any track time

Doesn't sound like you're going to be very hard on it, compared to what it's designed to do. The spec oil should be completely fine.


2008 BMW M3
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: Dakota1820] #2645644
06/05/12 10:17 AM
06/05/12 10:17 AM
Joined: Feb 2011
Posts: 1,479
Dacono, CO
Bladecutter Offline
Bladecutter  Offline
Joined: Feb 2011
Posts: 1,479
Dacono, CO
Originally Posted By: chevyboy14
I know the technology is better but I have a bad feeling about running anything thinner than a 30 weight. Why? Old habits I guess. But I wouldn't use super thin oil in a car I was going to beat on or a truck that was hauling but that's just me


First off, have you ever owned a vehicle that specified 5W-20 from the factory?

If yes, did you experience an engine failure directly related to the 5W-20 not providing enough protection, when the oil was changed at the manufactures recommended interval?

I'm going to bet the answer to both is no.

I'm going to double down on that bet by saying that this whole forum, the number of oil related failures for an engine that recommended 5W-20, and the owner changed the 5W-20 at the recommended intervals is less than 5.

This is for all different types of engines, and not just the Mustang engine in question.

5W-20 is good oil, for the engines that its recommended for.

BC.


2014 Mazda CX-5 Touring (Soul Red)
2015 Porsche Cayman
2007 Ducati 848
1988 Honda Hawk GT
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645654
06/05/12 10:28 AM
06/05/12 10:28 AM
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,283
N.H, U.S.A.
Sump size and cooler! If the oil temp is under 190F the oil will be as thick as a 30 grade at 210F in your vintage 302. Ford accounted for the 20 with the big sump and cooler. My Mustang Bullitt ran like garbage on 5w30 after my first oil change dumping the 5w20. The Lincoln dealer Derry, NH didnt have any 5w20 at the time - and neither did the local autoparts store. The engin ewas dead silent on the 20. If its noisey on the 20 then you got a bad engine. Now, Asin motors spec'ing 20grade on cars "really" spec for 40 in europe are an issue - even with you sloth like, generally Terrible American driver. Yeah, you smile


2014 Nissan Rogue S CVT, OC#10 47272mi-QSUD10W30+5w20 Toughguard Filter; '17 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645665
06/05/12 10:39 AM
06/05/12 10:39 AM
Joined: Aug 2003
Posts: 1,060
Vancouver, Canada
jaj Offline
jaj  Offline
Joined: Aug 2003
Posts: 1,060
Vancouver, Canada
Originally Posted By: kballowe
2013 Mustang GT
6-speed manual
.373 LS with Brembo's
5.0L V8 420 HP - with 8 quart sump

Car will occasionally be 'driven'
Do not anticipate any track time

Manufacturer recommends 5W-20

Your thoughts?



The 5w-20 works very well in that engine. Here's an article about the engine design - it was built for 5w-20 from the beginning.

http://www.mustang50magazine.com/techart...ne/viewall.html

There are significant benefits to running lower viscosity oils; just search for Dr Haas on this forum. He routinely runs and recommends the thinnest oil that will maintain adequate oil pressure in his collection of exotic cars.

Last edited by jaj; 06/05/12 10:39 AM.
Re: 5W-20 in a 2013 Mustang GT? Seriously? [Re: kballowe] #2645670
06/05/12 10:43 AM
06/05/12 10:43 AM
Joined: Dec 2002
Posts: 42,293
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,293
New Jersey
Seriously! I would run a good syn like M1 for this though...

Last edited by JHZR2; 06/05/12 10:44 AM.
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