Some advice please

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NewC6

NewC6

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Apr 9, 2005
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S AZ.
Just got a new 2013 Porsche Boxster. I haven't researched much on European oils and the more I do, the more confused I get.

Porsche use Mobil1 0W-40 at the factory. On the Corvette forums I frequent, that oil is getting pretty good reviews. But I ran across some info on the Mobil1 which bothers me a little and that is that the Noack volatily is higher than say for the PU European and the Amsoil European formulas IIRC. The second question is should I use a mid SAPS or a full SAPS oil. They both seem to have the Porsche A40 approval, I know the full SAPS has more additive but do the Porsche engines need that?

I have done some research but coming to the specialists here to hopefully answer my questions and help me make an more informed decision.

Thanks
 
Nice car! M1 0w40 is a fantastic oil that I would use without hesitation. Plus it's readily available and can be found on sale quite often. I use either that or GC in any German cars I have/service. Full SAPS Amsoil looks nice as well, as does the new Castrol 0w40.

Enjoy the car!
 
M1 0W-40 has a noack of 9%. Can't find the Ultra 5W-40 (very different formulation from other Ultra oils) tds now, but the last time I looked it was listed at 11%. You're fortunate enough to have ready access to the oil that's been extensively developed by Mobil1 with Porsche and other top engine mfrs' joint effort. Don't try to out do them.
 
Originally Posted By: BTLew81
Nice car! M1 0w40 is a fantastic oil that I would use without hesitation. Plus it's readily available and can be found on sale quite often. I use either that or GC in any German cars I have/service. Full SAPS Amsoil looks nice as well, as does the new Castrol 0w40.

Enjoy the car!


+1
 
I dont think you can go wrong with M1 0w-40. If NOACK is different, it isnt going to be much more than a percent or two.
 
You don't hear about many Porsche engines having oil related engine issues so I would use Mobil 1 without hesitation.

I don't think Porsche engineers would make a bad recomendation due to back room deal.

I will now utter the usual phrase that owners of your car would hear at the petrol station when filling up, "I bet my car does more to the gallon".

Best said with use excessive use of adenoids!

Nice car though.

You know your in a good place when your oil choice is limited to two good oils.
 
Which oil is your dealer using?? Mobil 1 0/40 shears down faster than Castrol Edge 5/40 and you might want to join a type specific forum for more accurate advice from folks that own the same type of car. It's also worth finding out which oil is used by the German dealers, just in case the US dealer is using M1 because it's cheap.
It's also worth looking at the fuel additives question if you are not able to use top quality fuel.
 
This is one interesting comment about Porsche oil grades:
On newer water-cooled Porsche engines where Mobil 1 0w40 is recommended, a simple change to an oil with CJ-4 rating or preferably an oil with SL or CI-4 rating as well as a viscosity of 5w40 rather than 0w40 are two changes that can be done in addition to more frequent oil changes to ensure longevity of newer engines. Granted most of these oils will not come with Porsche approval, so if your vehicle is under warranty, defer to the Porsche approval list and select a 5w40 viscosity where appropriate over that of a 0w40, regardless of API rating, as all will carry the most recent API ratings.

That was from this site:
Porsche oil info.

To answer my own previous question, Porsche are using M1 oils in the EU in addition to the US.
 
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Read some of that link Skyship.

Not sure I would be overly happy using Acea rated E9 oil in a Porsche!

I do wonder why some of these persons with their own websites don't work for Porsche or Mobil.

As they seem to feel they know more than both of them.
 
Originally Posted By: bigjl
Read some of that link Skyship.

Not sure I would be overly happy using Acea rated E9 oil in a Porsche!

I do wonder why some of these persons with their own websites don't work for Porsche or Mobil.

As they seem to feel they know more than both of them.
I think that if you were to investigate this business, you would find that they are a firm built on repairing or modifying engines. They have a lot of experience and make recommendations based on that experience. Also, their comments jibe with a lot of other info I have read over the years and if I weren't under warranty, I would give serious consideration to their recommendations. As it is, I am under warranty and want info on alternatives to Mobil1. Not saying I wont use Mobil1, I just want all the info I can find.
Thanks.
 
The Porsche Gurus (Flat6 Innovation and LN Engineering) strongly recommend Joe Gibbs DT 40, an oil specifically formulated for water cooled Porsches. You have your warranty to consider however, so I'd go with Motul Xcess 5W-40 because it has Porsche approval and also recommended by LN Engineering
 
Porsche uses a whole lotta M1 0/40...something must be OK about it
smile.gif
While under warranty I presume you will allow the dealer to do the oil changes. Grab a container, ask for a sample and send it in for a UOA.

This will give you some trending from new on how the oil is performing in your car. The DI engines have been around a few years, and before that the non-DI's are well seasoned (2.7, 2.9, 3.4 in the 987 series).

Our Cayman is under CPO so once a year I visit for an over priced oil change. We drive our car, so I can expect 12-15K a year. I may change out the M1 at 6-7500 myself for a bit of peace of mind as well as owner-car bonding which is hard to put a price tag on
laugh.gif
I'm awaiting my first UOA from Blackstone...

- b
 
Doesn't Porsche use M1 0w-40 as factory fill byte sunkship thinks he knows better than Porsche engineers.
OP. you cannot get better than what Porsche tells you to use. Stick with their suggestion. They built the car,they know its needs.
 
Hi,
NewC6 - You are well advised to stay with M1 0W-40.

As an ex Owner of a number of Porsche cars including a Boxster I can assure you that the "attachment" of Zuffenhausen to the Mobil product is well justified

As an example of its acceptance, I was at the Nurburgring 24 hr a year or so back and all teams I spoke with used the product even if their car was emblazed with another brand's name. I can't say much more about that but I had unlimited access to all Porsche and BMW Teams

Following on from there I always spend some time in a Bar or two around the 'Ring, I usually stay in Herschbroich and eat/drink in Adenau. I was very supprised how loyal the many Porsche enthusiasts remain to M1 0w-40. Many very passionate stories emerged

It is the same here in Oz too!!
 
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Hi,
dailydriver - Yes it is back-specced. Delvac 1 5w-40 also is a great lubricant for early Porsche cars that can use this viscosity

All early air-coolled Porsche cars (356, 911, 912) were originally FF with monograde HDEOs
 
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