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#4629168 - 01/09/18 11:28 AM 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m
FSAE99 Offline


Registered: 01/04/18
Posts: 2
Loc: GA

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#4629212 - 01/09/18 12:07 PM Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99]
incognito_2u Offline


Registered: 12/15/16
Posts: 113
Loc: Long Island, N.Y.
That's a really nice TBN figure.......
_________________________
2006 Jeep Commander 3.7 V6 -108k (PUP/XG3600)
2006 Toyota Corolla 1.8 VVTi -76k (PPHM/XG3600)
1999 Toyota Corolla 1.8 -77k (PUP/XG4386)

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#4629237 - 01/09/18 12:28 PM Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99]
Artem Offline


Registered: 10/30/10
Posts: 5117
Loc: Florida
TBN almost seems unnatural after 5k miles of use.

At the rate of decline, this oil is good for 25,000 miles. Hahahaha.
_________________________
2014 Mazda 3 Hatch 2.0L & 6spd - Idemitsu 0w20 Synthetic @ $0.75 a quart.

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#4629261 - 01/09/18 12:53 PM Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1722
Loc: Alberta
I thought I'd add this for anyone who is newer at looking at oil results.

Generally speaking, the higher an oil's total base number (TBN), the better its ability to neutralize contaminants such as combustion by-products and acidic materials. TBN is a measure of (alkaline) additives in the oil.

SF

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#4629488 - 01/09/18 04:38 PM Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99]
zeng Offline


Registered: 09/01/15
Posts: 2188
Loc: Malaysia
Good metal wear rates.
Oil is serviceable with rather high residual TBN, though with a tad of fuel dilution.
OCi could be further extended I suppose.

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#4629534 - 01/09/18 05:22 PM Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2741
Loc: Wet side WA
Those are all great numbers!
_________________________
2004 Toyota Corolla 121682
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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#4630096 - 01/10/18 08:27 AM Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: Artem]
FSAE99 Offline


Registered: 01/04/18
Posts: 2
Loc: GA
Originally Posted By: Artem
TBN almost seems unnatural after 5k miles of use.

At the rate of decline, this oil is good for 25,000 miles. Hahahaha.


I thought it was high, so I started looking for info on what it started at, as far as I could find 0W-40 EF starts at 12.6 TBN. Then a measure of 8 didn't seem that high for 5100 miles and suggested 15000 mile life span.

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#4633784 - 01/13/18 03:45 PM Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99]
Konstantine Offline


Registered: 01/12/18
Posts: 44
Loc: Rockies
A very average looking report with the exception of the elevated lead, which was more than double the universal average in that sample. I'd try another brand of oil for the next OCI

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