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#1995868 - 08/24/10 01:02 AM Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3
rationull Offline


Registered: 04/28/07
Posts: 2789
Loc: 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:


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#1995871 - 08/24/10 01:11 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: rationull]
Summerwind Offline


Registered: 05/30/10
Posts: 371
Loc: 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


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#1995872 - 08/24/10 01:13 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: rationull]
chubbs1 Offline


Registered: 06/09/10
Posts: 4574
Loc: 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


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#1995881 - 08/24/10 02:10 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: rationull]
FZ1 Offline


Registered: 02/07/08
Posts: 4727
Loc: Texas
5,000 max. Your warranty.

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#1995901 - 08/24/10 04:14 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: FZ1]
The Critic Offline


Registered: 08/30/04
Posts: 19811
Loc: CA
Originally Posted By: FZ1
5,000 max. Your warranty.

Warranty allows 6 months or 7500 miles.
_________________________
2011 Toyota Prius - 168k - ServicePro Dexos 0W-20
2007 Honda Accord 2.4 - 128K - Idemitsu 5W-20

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#1995911 - 08/24/10 04:45 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: The Critic]
Gary Allan Offline


Registered: 09/28/02
Posts: 39806
Loc: Pottstown, PA
Yawn ..7500 ..your OEM recommendations for an obviously, verified with UOA ..unstressed oil.
_________________________
http://lube-direct.com/gallan/

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#1995943 - 08/24/10 06:29 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: Gary Allan]
demarpaint Offline


Registered: 07/03/05
Posts: 29805
Loc: NY
Looks good, nice report. Seems the 20 grade oils are doing just fine!
_________________________
God Bless Our Troops


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#1996041 - 08/24/10 08:49 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: demarpaint]
pbm Offline


Registered: 04/19/04
Posts: 7609
Loc: 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'

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#1996070 - 08/24/10 09:16 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: pbm]
GROUCHO MARX Offline


Registered: 07/24/02
Posts: 11410
Loc: The Sandhills of NewYorkistan
I put this oil in my mother in law's '08 CR-V. Looks like I made a good choice.


Edited by GROUCHO MARX (08/24/10 09:16 AM)
_________________________
80% of people polled say that their neighbor should take mass transit to work.

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#1996084 - 08/24/10 09:30 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: demarpaint]
CROWNVIC4LIFE Offline


Registered: 04/13/09
Posts: 3735
Loc: 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.


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#1996248 - 08/24/10 12:22 PM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: CROWNVIC4LIFE]
rationull Offline


Registered: 04/28/07
Posts: 2789
Loc: 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).

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#1996250 - 08/24/10 12:23 PM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: The Critic]
FZ1 Offline


Registered: 02/07/08
Posts: 4727
Loc: 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.

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#1996252 - 08/24/10 12:25 PM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: The Critic]
FZ1 Offline


Registered: 02/07/08
Posts: 4727
Loc: 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.

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#1996985 - 08/24/10 11:18 PM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: FZ1]
Gary Allan Offline


Registered: 09/28/02
Posts: 39806
Loc: 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
_________________________
http://lube-direct.com/gallan/

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#1997401 - 08/25/10 11:11 AM Re: Motorcraft 5w-20 - 5800 miles - 08 Mazda3 2.3 [Re: Gary Allan]
pcfxer Offline


Registered: 10/21/09
Posts: 391
Loc: 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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