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Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 #4591720
12/02/17 06:55 AM
12/02/17 06:55 AM
Joined: Oct 2005
Posts: 4,626
Atlanta
DuckRyder Offline OP
DuckRyder  Offline OP
Joined: Oct 2005
Posts: 4,626
Atlanta


Minor clarification to the comments - the filter was not changed last OCI so it is the very same filter.

Flash point and TBN both seem low considering the short run.

Going to run the new sump 10,000 ...

The first oil was a dealer change, consensus was that it looked like Mobil Special (dealership made confusing statements about oil identity). The others are all M1EP.

OH - Filter Fram XG4967 - 10,452 mi

Last edited by DuckRyder; 12/02/17 06:57 AM.

Robert
  • 2007 Toyota Prius Touring
  • 2005 Honda Civic Sedan
  • 1972 Ford F100
Re: Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 [Re: DuckRyder] #4591803
12/02/17 08:12 AM
12/02/17 08:12 AM
Joined: Dec 2016
Posts: 7,117
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,117
Waco, TX
Originally Posted By: DuckRyder

Minor clarification to the comments - the filter was not changed last OCI so it is the very same filter.


Did they miss that info?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 [Re: DuckRyder] #4591804
12/02/17 08:15 AM
12/02/17 08:15 AM
Joined: Dec 2016
Posts: 7,117
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,117
Waco, TX
Originally Posted By: DuckRyder


Going to run the new sump 10,000 ...


The oil in those filter thread photos looks exceptionally clean for 5,000 miles.
Definitely don't hesitate to go 10,000.

Honestly, I would never, ever drain M1 EP at only 5K.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 [Re: Linctex] #4591816
12/02/17 08:28 AM
12/02/17 08:28 AM
Joined: Oct 2005
Posts: 4,626
Atlanta
DuckRyder Offline OP
DuckRyder  Offline OP
Joined: Oct 2005
Posts: 4,626
Atlanta
Originally Posted By: Linctex
Originally Posted By: DuckRyder

Minor clarification to the comments - the filter was not changed last OCI so it is the very same filter.


Did they miss that info?


I think they misinterpreted my comment that it was “The second OCI on Fram Ultra”.

Originally Posted By: Linctex
Originally Posted By: DuckRyder


Going to run the new sump 10,000 ...


The oil in those filter thread photos looks exceptionally clean for 5,000 miles.
Definitely don't hesitate to go 10,000.

Honestly, I would never, ever drain M1 EP at only 5K.


Well, people (including you and me) do what they want to do.

I’ve explained my reasoning a few times, but being the first Hybrid I’ve owned and somewhat unfamiliar with them and Toyotas in general plus having service records from day one, I decided to follow Toyota recommendations with respect to mileage at least starting out. Being as it is my car, my oil and my filter I get to do with it as I like grin


Robert
  • 2007 Toyota Prius Touring
  • 2005 Honda Civic Sedan
  • 1972 Ford F100
Re: Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 [Re: DuckRyder] #4591872
12/02/17 09:27 AM
12/02/17 09:27 AM
Joined: Mar 2015
Posts: 11,865
In the shop
53' Stude Offline
53' Stude  Offline
Joined: Mar 2015
Posts: 11,865
In the shop
Robert: nice UOA I think. I probably will use whatever oil I have in stash for 5k as my Toyota owners manual says 5k for normal driving.


09' Camry LE, 141,020 miles

PP 5w30 and TG 4967
Re: Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 [Re: DuckRyder] #4591954
12/02/17 11:06 AM
12/02/17 11:06 AM
Joined: Nov 2014
Posts: 174
AZ
ron17571 Offline
ron17571  Offline
Joined: Nov 2014
Posts: 174
AZ
Mobile 1 is a winning combo for a Prius. I would go with a longer oil change interval if you drive on the highway.My dad did this and his Oil stayed very clean with Mobile 1 and a mobile synthetic filter.


2003 Dodge Caravan 140.000 miles
1992 Ford f-250 217,000 miles
Re: Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 [Re: DuckRyder] #4593127
12/03/17 02:50 PM
12/03/17 02:50 PM
Joined: Jun 2016
Posts: 552
South OZ
KL31 Offline
KL31  Offline
Joined: Jun 2016
Posts: 552
South OZ
Looks like fuel dilution for sure. Their measuring of dilution is based off flashpoint I believe. So it could have a lot more than 1% in there.

TBN is not always linear so it could drop much more slowly over more miles.


95 MX-3 2.5L|Shell Helix Ultra 5W40|Wix 51356
04 Focus 1.8L|Wesfil Cooper WZ63|Valvoline MST 5W30
05 Kluger 3.3L|Wesfil Cooper WZ418|Magnatec 10W30 Semi Syn
Re: Mobil1 5W-30 EP, 4999mi, 2007 Prius Touring, 89816 [Re: DuckRyder] #4595367
12/05/17 07:12 PM
12/05/17 07:12 PM
Joined: Oct 2005
Posts: 4,626
Atlanta
DuckRyder Offline OP
DuckRyder  Offline OP
Joined: Oct 2005
Posts: 4,626
Atlanta


Robert
  • 2007 Toyota Prius Touring
  • 2005 Honda Civic Sedan
  • 1972 Ford F100

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