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Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 #1995868
08/24/10 01:02 AM
08/24/10 01:02 AM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
This is the first UOA I've gotten on my wife's 2008 Mazda3 with the 2.3 liter engine and 5 speed manual transmission. The analyses I've gotten on my Civic have always been influenced by the makeup oil I've added, but this car doesn't need any so I wanted to get a UOA with TBN to confirm that I don't need to be getting nervous over 5k miles. The manual recommends 5000 mile OCIs for severe service and 7500 for normal. On my Honda (which gets similar driving patterns) the OLM puts me conservatively at 6000-6500 miles and it looks like that's valid for this car too (again, conservatively).

Here's another boring Motorcraft UOA:


Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: rationull] #1995871
08/24/10 01:11 AM
08/24/10 01:11 AM
Joined: May 2010
Posts: 371
Iowa
Summerwind Offline
Summerwind  Offline
Joined: May 2010
Posts: 371
Iowa
Another good showing for the MC 5w20!!! thumbsup

I am anxious to see UOA's on the "Other" line of Conoco/Phillips products such as the Kendal LT flavors as well.


'08 Mercury GMQ / 58k M1 EP 5w30, MC FL820S filter, dual exhaust, H-pipe Flow/ Delta 40's MZT/Tune

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: rationull] #1995872
08/24/10 01:13 AM
08/24/10 01:13 AM
Joined: Jun 2010
Posts: 4,574
Merritt Island FL, USA
chubbs1 Offline
chubbs1  Offline
Joined: Jun 2010
Posts: 4,574
Merritt Island FL, USA
Thank you, I have been curious about the MotorCraft 5w20 myself, after seeing this analysis I would go for it for sure. great wear #'s and good addy pack. The only thing I wouldn't do is go past 6K miles. B-Stone says to push it to 8K. I like to have a little buffer in my TBN and would stick to 6K. Besides that, pretty dang good for an oil that doesn't break the bank!


'12 Charger SXT
QSUD 5w30 OEM filter

'12 Charger SXT
Edge FST EP 5w30 OEM (Mine;)

'11 Hyundai Sonata GLS
QSUD 5w20 OEM Filter

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: rationull] #1995881
08/24/10 02:10 AM
08/24/10 02:10 AM
Joined: Feb 2008
Posts: 4,727
Texas
FZ1 Offline
FZ1  Offline
Joined: Feb 2008
Posts: 4,727
Texas
5,000 max. Your warranty.

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: FZ1] #1995901
08/24/10 04:14 AM
08/24/10 04:14 AM
Joined: Aug 2004
Posts: 19,988
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 19,988
CA
Originally Posted By: FZ1
5,000 max. Your warranty.

Warranty allows 6 months or 7500 miles.


2011 Toyota Prius - 173k - Various 0W-20 (Brew)
2007 Honda Accord 2.4 - 131K - Mobil 1 EP HM 5W-30
Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: The Critic] #1995911
08/24/10 04:45 AM
08/24/10 04:45 AM
Joined: Sep 2002
Posts: 39,806
Pottstown, PA
Gary Allan Offline
Gary Allan  Offline
Joined: Sep 2002
Posts: 39,806
Pottstown, PA
Yawn ..7500 ..your OEM recommendations for an obviously, verified with UOA ..unstressed oil.

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: Gary Allan] #1995943
08/24/10 06:29 AM
08/24/10 06:29 AM
Joined: Jul 2005
Posts: 30,416
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,416
NY
Looks good, nice report. Seems the 20 grade oils are doing just fine!


God Bless Our Troops

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: demarpaint] #1996041
08/24/10 08:49 AM
08/24/10 08:49 AM
Joined: Apr 2004
Posts: 7,734
New York
pbm Offline
pbm  Offline
Joined: Apr 2004
Posts: 7,734
New York
Is this the semi-syn. (sold at WM and elsewhere) or the full syn. which was closed out at AA?


'Journalism is Dead'
Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: pbm] #1996070
08/24/10 09:16 AM
08/24/10 09:16 AM
Joined: Jul 2002
Posts: 11,410
The Sandhills of NewYorkistan
GROUCHO MARX Offline
GROUCHO MARX  Offline
Joined: Jul 2002
Posts: 11,410
The Sandhills of NewYorkistan
I put this oil in my mother in law's '08 CR-V. Looks like I made a good choice.

Last edited by GROUCHO MARX; 08/24/10 09:16 AM.

80% of people polled say that their neighbor should take mass transit to work.
Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: demarpaint] #1996084
08/24/10 09:30 AM
08/24/10 09:30 AM
Joined: Apr 2009
Posts: 3,735
Miami-Dade County
CROWNVIC4LIFE Offline
CROWNVIC4LIFE  Offline
Joined: Apr 2009
Posts: 3,735
Miami-Dade County
Originally Posted By: demarpaint
Looks good, nice report. Seems the 20 grade oils are doing just fine!


I agree with this...For the price you can not beat it.


05 Ford Crown Vic
5W20 Motorcraft Full Synthetic
Bosh D3410 Filter

07 Merc Grand Marquis
5W20 Motorcraft Full Synthetic
Motorcraft Filter.

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: CROWNVIC4LIFE] #1996248
08/24/10 12:22 PM
08/24/10 12:22 PM
Joined: Apr 2007
Posts: 2,789
California, USA
rationull Offline OP
rationull  Offline OP
Joined: Apr 2007
Posts: 2,789
California, USA
This is the plain old semi-syn.

As Critic pointed out and I did in the OP the manufacturer recommendation allowed for up to 7500 miles. I rotate tires with oil changes anyway so most likely I'm not going to be going much above 6500 miles or so on either car regardless (unless I end up switching to synthetics and doubling the OCI or something which is possible once the car is out of warranty).

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: The Critic] #1996250
08/24/10 12:23 PM
08/24/10 12:23 PM
Joined: Feb 2008
Posts: 4,727
Texas
FZ1 Offline
FZ1  Offline
Joined: Feb 2008
Posts: 4,727
Texas
Originally Posted By: The Critic
Originally Posted By: FZ1
5,000 max. Your warranty.

Warranty allows 6 months or 7500 miles.
Severe service oci is 5,000. Be smart with your warranty.

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: The Critic] #1996252
08/24/10 12:25 PM
08/24/10 12:25 PM
Joined: Feb 2008
Posts: 4,727
Texas
FZ1 Offline
FZ1  Offline
Joined: Feb 2008
Posts: 4,727
Texas
Originally Posted By: The Critic
Originally Posted By: FZ1
5,000 max. Your warranty.

Warranty allows 6 months or 7500 miles.
Severe service oci is 5,000. Be smart with your warranty.

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: FZ1] #1996985
08/24/10 11:18 PM
08/24/10 11:18 PM
Joined: Sep 2002
Posts: 39,806
Pottstown, PA
Gary Allan Offline
Gary Allan  Offline
Joined: Sep 2002
Posts: 39,806
Pottstown, PA
Originally Posted By: FZ1
Originally Posted By: The Critic
Originally Posted By: FZ1
5,000 max. Your warranty.

Warranty allows 6 months or 7500 miles.
Severe service oci is 5,000. Be smart with your warranty.


This isn't severe service.

..and...while you're here...

How's the waste oil futures market doing, FZ1? Business booming? grin

Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: Gary Allan] #1997401
08/25/10 11:11 AM
08/25/10 11:11 AM
Joined: Oct 2009
Posts: 391
Canada
pcfxer Offline
pcfxer  Offline
Joined: Oct 2009
Posts: 391
Canada
Going further on synthetic is also "allowed" by your warranty. The warranty covers defects anyway, how is an oil-related failure a defect of the engine?

If people wanted to worry about warranty they should find another site and save their money on UOAs. Even within SUGGESTED OCIs your warranty does not stand to NON-DEFECT related failures.

The warranty issue is not an issue, get real.


2011 Daytona Blue Nissan Sentra SE-R Spec-V
1100km Amsoil Dominator Coolant Boost
8200km Amsoil XLF + Royal Purple Oil Filter
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