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2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m #4629168
01/09/18 11:28 AM
01/09/18 11:28 AM
Joined: Jan 2018
Posts: 2
GA
FSAE99 Offline OP
FSAE99  Offline OP
Joined: Jan 2018
Posts: 2
GA

Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99] #4629212
01/09/18 12:07 PM
01/09/18 12:07 PM
Joined: Dec 2016
Posts: 139
Long Island, N.Y.
incognito_2u Offline
incognito_2u  Offline
Joined: Dec 2016
Posts: 139
Long Island, N.Y.
That's a really nice TBN figure.......


2006 Jeep Commander 3.7 V6 -110k (PUP/XG3600)
2006 Toyota Corolla 1.8 VVTi -79k (PPHM/XG4386)
1999 Toyota Corolla 1.8 -80k (PUP/XG4386)
1998 Toyota Corolla 1.8 -62k (PUP/XG4386)
Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99] #4629237
01/09/18 12:28 PM
01/09/18 12:28 PM
Joined: Oct 2010
Posts: 5,415
Florida
Artem Offline
Artem  Offline
Joined: Oct 2010
Posts: 5,415
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. (thanks Advance Auto Parts for the awesome deal)
Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99] #4629261
01/09/18 12:53 PM
01/09/18 12:53 PM
Joined: Dec 2017
Posts: 3,040
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 3,040
SE British Columbia, Canada
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


If you want the job done right......do it yourself.
Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99] #4629488
01/09/18 04:38 PM
01/09/18 04:38 PM
Joined: Sep 2015
Posts: 2,478
Malaysia
zeng Offline
zeng  Offline
Joined: Sep 2015
Posts: 2,478
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.

Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99] #4629534
01/09/18 05:22 PM
01/09/18 05:22 PM
Joined: Oct 2009
Posts: 3,529
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,529
Wet side WA
Those are all great numbers!


2004 Corolla 126884
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74478
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: Artem] #4630096
01/10/18 08:27 AM
01/10/18 08:27 AM
Joined: Jan 2018
Posts: 2
GA
FSAE99 Offline OP
FSAE99  Offline OP
Joined: Jan 2018
Posts: 2
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.

Re: 2013 Porsche Boxster S 3.4L Mobil1 0W-40 EF 5100 m [Re: FSAE99] #4633784
01/13/18 03:45 PM
01/13/18 03:45 PM
Joined: Jan 2018
Posts: 44
Rockies
Konstantine Offline
Konstantine  Offline
Joined: Jan 2018
Posts: 44
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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