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Old 08-10-2014, 02:33 PM   #1
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What oil?

Hi all

2004, 2.7 Boxster. Currently Mobil 10w40 in it I think (that whats in the top up bottle).

Was reading that Porsche recommend Mobil 1 but read elsewhere that other people recommend against Mobil 1.

What do folks use in their engine and what is the current recommendation for the 2004 2.7?

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Old 08-10-2014, 02:53 PM   #2
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An oil opinion thread?????



Nooooooooooooooooooooooooo!!!!!!!!!!!!!!!
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Old 08-10-2014, 02:57 PM   #3
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You did try a search first, didn't you ?
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Old 08-10-2014, 07:24 PM   #4
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Olive...

On a serious note I run Joe Gibbs DT40 and before that I ran Castrol Edge (formerly syntec) 5W40. Previous owner ran mobile 1 0W40. I run Castrol in everything else I have Castrol Edge 5W30 in my Toyota FJ and son's Miata and 5W30 semi synthetic high mileage in my Tacoma. I run their HD30 in my lawn mowers ��

These are just my experiences, if you do a search for DT40 you will find some info, also if you search for Castrol Syntec and Castrol Edge. Good luck, lots of info out there.
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Old 08-10-2014, 07:31 PM   #5
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Fatbloke, my car loves castrol synthetic oil. 5W40

Last edited by gmboxster; 08-10-2014 at 07:45 PM.
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Old 08-10-2014, 08:03 PM   #6
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I've decided to go with joe Gibbs DT40 too.
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Old 08-10-2014, 08:41 PM   #7
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You are in Scotland. Stay with the 10W40 for year round use. Mobile 1 or Castrol are both fine.
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Old 08-11-2014, 10:38 AM   #8
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You did try a search first, didn't you ?
I did try the search but couldnt get it to work.
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Old 08-11-2014, 04:48 PM   #9
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I did try the search but couldnt get it to work.
Do you still have the box your computer came in?
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Old 08-11-2014, 05:21 PM   #10
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Do you still have the box your computer came in?
oh that's mean LOL
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Old 08-11-2014, 05:30 PM   #11
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150 results in .16 seconds...


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Old 08-11-2014, 06:01 PM   #12
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Porsche states Mobil 1. 'Nuff said for me.
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Old 08-12-2014, 01:28 AM   #13
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Porsche designed the IMS bearing.........'nuff said for me. There are better oils than Mobil 1.
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Old 08-12-2014, 04:15 AM   #14
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Do you still have the box your computer came in?
Was on the tablet and the search just wouldnt work.
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Old 08-12-2014, 04:18 AM   #15
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Porsche designed the IMS bearing.........'nuff said for me. There are better oils than Mobil 1.
Which is why I was asking. I have used Mobil 1 in other vehicles and bikes for years but read somewhere that there are better oils for the Boxster.
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Old 08-12-2014, 05:16 AM   #16
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I would think a big decider would be how you are driving your Box and how often you are changing the oil? Mobile 1 is just fine - but you will want to make sure you do regular oil changes. If you are going to push the motor (kind of the point of a porsche) then you might want to look at something a bit hardier. But for just running around, Mobile is fine.
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Old 08-12-2014, 05:35 AM   #17
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You won't get allot of sympathy on this sight with an oil question. What ever oil you decide on should have a high ZN content about .12 % Mobil 1 doesn't any longer only about .09%. Valvoline and Castrol have less plus detergent blended in these makes the ZN content less effective. Joe Gibb, Red Line, and Motul in the US supply more than Mobil 1 and the detergent content doesn't reduce the effect of the ZN.

With that said most of us have no idea what is available in Scotland. Your best option may be the Mobil 1
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Old 08-12-2014, 06:15 AM   #18
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With that said most of us have no idea what is available in Scotland. Your best option may be the Mobil 1
Motul is a French company and their products are available worldwide. Motul UK is the distributor for the British Isles.

Motul 8100 X-cess 5W-40 is recommended for the M96 engine, and is approved by Porsche. I just switched to this oil from Mobil 1 at my last oil change.

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Old 08-12-2014, 07:13 AM   #19
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Ones to consider:

Mobil 5W50
Redline 5W40
Joe Gibbs DT40 5W40
Motul 8100 5W40

Can't go wrong with any of these. All a "step-up" from Mobil 0W40....which is always my simple goal. UOA's support my choices.
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Old 08-12-2014, 07:38 AM   #20
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Quote:
Originally Posted by Flavor 987S View Post
Ones to consider:

Mobil 5W50
Redline 5W40
Joe Gibbs DT40 5W40
Motul 8100 5W40

Can't go wrong with any of these. All a "step-up" from Mobil 0W40....which is always my simple goal. UOA's support my choices.
Now we have an oil discussion.

What makes mobile 5w50 better than 0w40? Good to know.

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