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#4491910 - 08/18/17 12:54 PM Conventional Oil to Synthetic Oil ?
yankees1 Offline


Registered: 12/20/02
Posts: 235
Loc: Girard, Ill
Posting for a friend of mine who has a 2009 Miata with 45000 miles and he would like to switch from conventional to synthetic oil. Any problem ?

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#4491911 - 08/18/17 12:58 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
kschachn Offline


Registered: 12/26/05
Posts: 9417
Loc: Upper Midwest
_________________________
1994 BMW 530i, 227K
1996 Honda Accord, 262K
1999 Toyota Sienna, 394K
2000 Toyota ECHO, 267K

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#4491912 - 08/18/17 01:01 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
tig1 Offline


Registered: 01/03/09
Posts: 13661
Loc: Illinois
No problems.
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4491916 - 08/18/17 01:06 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
2015_PSD Offline


Registered: 09/26/10
Posts: 7242
Loc: SE Texas
None at all. Also, no issues with switching brands if he so chooses.
_________________________
2018 MB AMG GLC43 3.0L Coupe - M1 0W-40/OEM
2018 MB C300 2.0L - M1 0W-40/OEM
2015 F-250 6.7L PS Diesel - Delo 5W-40/CQ Blue
2014 Explorer 3.5L Limited - M1 AFE 0W-20/FU

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#4491928 - 08/18/17 01:15 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
MotoTribologist Offline


Registered: 02/03/16
Posts: 562
Loc: NJ, USA
You can let your "friend" know it's fine.

This is BITOG; no one will judge you for your Miata.
Let that freak flag fly! banana

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#4491938 - 08/18/17 01:25 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
Chris Meutsch Offline


Registered: 02/27/06
Posts: 2631
Loc: Cincinnati
I've gone from worrying about this stuff, to only caring that there's actually oil in the engine.
They all work.
Although.....the Castrol Magnatec 0w20 is being loved by the CR-V currently. The starts are quicker.
_________________________
2005 Honda CR-V EX, 254k.
2008 Honda Pilot EX-L, 96k.

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#4491939 - 08/18/17 01:26 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
JohnnyJohnson Online   content


Registered: 10/22/09
Posts: 2765
Loc: Wet side WA
Originally Posted By: yankees1
Posting for a friend of mine who has a 2009 Miata with 45000 miles and he would like to switch from conventional to synthetic oil. Any problem ?


No problem at all I switched my 2004 Toyota Corolla S over at 66K not a problem.
_________________________
2004 Toyota Corolla 121790
Out: QSUD 5W-30 Purolator One 5030
In: Valvoline ML 5w-30 TG4967 117530 2-8-18
2006 Duramax 74047
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73752 4-22-18

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#4491952 - 08/18/17 01:43 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
69GTX Offline


Registered: 09/23/15
Posts: 3815
Loc: Connecticut
I switched my 2002 Lincoln from conventional 5w-20 to Formula Shell synthetic at 45K miles. I did notice a bit of oil usage though. That was corrected when I went to a 5w-30 PP synthetic.
_________________________
----------------

2001 Lincoln Cont 4.6L DOHC/ 39K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs

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#4491953 - 08/18/17 01:46 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
E150GT Offline


Registered: 03/11/12
Posts: 1107
Loc: San Antonio, TX
i switched my truck over at 238k miles. no explosions or melting yet.
_________________________
1984 Mercedes-Benz 300SD - 100k
1995 F150 XL 4.9 reg cab 5MT - 250k 5w30
2016 Mazda6 Touring 6MT - 56k 10w30

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#4491963 - 08/18/17 01:54 PM Re: Conventional Oil to Synthetic Oil ? [Re: MotoTribologist]
yankees1 Offline


Registered: 12/20/02
Posts: 235
Loc: Girard, Ill
Originally Posted By: MotoTribologist
You can let your "friend" know it's fine.

This is BITOG; no one will judge you for your Miata.
Let that freak flag fly! banana
Sorry, not my Miata ! I have two corvettes, one Suburban, one Mercedes and a S-10 !! smile

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#4491964 - 08/18/17 01:58 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
MotoTribologist Offline


Registered: 02/03/16
Posts: 562
Loc: NJ, USA
Originally Posted By: yankees1
Originally Posted By: MotoTribologist
You can let your "friend" know it's fine.

This is BITOG; no one will judge you for your Miata.
Let that freak flag fly! banana
Sorry, not my Miata ! I have two corvettes, one Suburban, one Mercedes and a S-10 !! smile

Of course wink

I get it wink

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#4491992 - 08/18/17 02:50 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
merconvvv Offline


Registered: 07/10/16
Posts: 682
Loc: il usa
Does your friend like that miata smile
Just kidding!
_________________________
1988 Mazda RX7 na PP 10w30 Noack 4.7
1994 Chrysler Concorde 3.3
1999 Ford Expedition 4.6 QSUD 10W30 NOACK 5.0

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#4492000 - 08/18/17 03:01 PM Re: Conventional Oil to Synthetic Oil ? [Re: merconvvv]
yankees1 Offline


Registered: 12/20/02
Posts: 235
Loc: Girard, Ill
Originally Posted By: merconvvv
Does your friend like that miata smile
Just kidding!
Actually, it is my friend's son who owns the Miata . I didn't know that owning a Miata was such a bad thing ! :)I guess I better change friends !

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#4492010 - 08/18/17 03:14 PM Re: Conventional Oil to Synthetic Oil ? [Re: kschachn]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
_________________________
Multiple Diesel and Gasoline vehicles

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#4492011 - 08/18/17 03:15 PM Re: Conventional Oil to Synthetic Oil ? [Re: yankees1]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
Originally Posted By: yankees1
Originally Posted By: merconvvv
Does your friend like that miata smile
Just kidding!
Actually, it is my friend's son who owns the Miata . I didn't know that owning a Miata was such a bad thing ! :)I guess I better change friends !


I love Miata's.

Can't imagine why someone would not like them.
_________________________
Multiple Diesel and Gasoline vehicles

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