07-14-2017, 04:00 PM
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#1
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Registered User
Join Date: Apr 2016
Location: Tannersville PA
Posts: 471
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1st Oil Analysis
Had my oil done...seems to be good...any thoughts?
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07-14-2017, 05:41 PM
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#2
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,544
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Quote:
Originally Posted by achillies
Had my oil done...seems to be good...any thoughts?

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Sure: Why are you using a 5W or even 10W-30? It is the wrong weight for these engines...............
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“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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07-14-2017, 09:07 PM
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#3
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Damn Yankee
Join Date: Mar 2013
Location: Dallas
Posts: 1,117
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Quote:
Originally Posted by JFP in PA
Sure: Why are you using a 5W or even 10W-30? It is the wrong weight for these engines...............
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Agreed. My understanding is that for M96 engines under 80K miles 0W-40 is recommended. After that, and in hot climates, 5W-40 is the way to go.
I believe Mobil 1 5W-30 is recommended for diesel engines, so I would stay away from that formula. I could be wrong, but this philosophy has served me well for many years.
Just sayin'............
TO
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07-15-2017, 02:33 AM
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#4
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Registered User
Join Date: Jul 2009
Location: Arlington Heights, IL
Posts: 1,561
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Good report, but it's only one report, and your baseline. Stop using a 5W30 oil. If you want to stay loyal to Mobil, and want an A40 Porsche Approved Oil, I'd recommend 5W50. That's what I use. If you drive in the cold months, switch over to 0W40. I use Mobil 5W50 from March till Ocober, and change every 5,000 miles. Car is hibernated in the winter.
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07-15-2017, 03:58 AM
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#5
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Registered User
Join Date: Sep 2013
Location: California
Posts: 466
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Quote:
Originally Posted by JFP in PA
Sure: Why are you using a 5W or even 10W-30? It is the wrong weight for these engines...............
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I have a 986 with 44K miles and still have the original ims, I was told to use 10w40. Which I have done and using the Gibbs racing oil. Is this still the recommended weight for my particular situation?
__________________
"Blind acceptance is a sign, of stupid fools who stand in line."
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07-15-2017, 06:12 AM
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#6
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Registered User
Join Date: Apr 2016
Location: Tannersville PA
Posts: 471
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Thanks I used 0w-40 for the oil change. The other was the PO choice
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07-15-2017, 06:53 AM
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#7
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,544
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Quote:
Originally Posted by Slate 01
I have a 986 with 44K miles and still have the original ims, I was told to use 10w40. Which I have done and using the Gibbs racing oil. Is this still the recommended weight for my particular situation?
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10W-40 oil, depending upon whose oil, usually offers considerably higher film strength than lower weights. That said, there are now 5W-40 oils, such as the Gibbs DT40, that show comparable film strength in a slightly lower weight oil, which the M96 engine likes.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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07-15-2017, 10:54 AM
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#8
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Registered User
Join Date: Sep 2013
Location: California
Posts: 466
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Quote:
Originally Posted by JFP in PA
10W-40 oil, depending upon whose oil, usually offers considerably higher film strength than lower weights. That said, there are now 5W-40 oils, such as the Gibbs DT40, that show comparable film strength in a slightly lower weight oil, which the M96 engine likes.
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That sounds good, I have been using the DT40, so I'll switch to the 5W40 on my next change. Thanks Jeff
__________________
"Blind acceptance is a sign, of stupid fools who stand in line."
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