0w40 is not light/thin oil !!!! - Saab General Bulletin Board - Saabnet.com
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0w40 is not light/thin oil !!!!
1 Saabers Like This Post!
Posted by dmz789qqq [Email] (more from dmz789qqq) on Sun, 17 Mar 2019 08:55:53
In Reply to: Re: Oil change, don m [Profile/Gallery]
, Fri, 15 Mar 2019 08:05:45
At normal operating temperature it is a quite thick w40 grade oil - no fuel economy there. For fuel economy you would want 0w20 or 0w16.
The "0" part refers to viscosity at cold temperatures - and the lower this number is always better. Understand that 0(cold) viscosity oil at cold temperature is still thicker then warned up 40(hot) grade oil.
When Saab had all the issues with with sludge they specified Mobil1 0w40 not because it was this particular viscosity grade but because it was true PAO-based syntetic oil and would not decompose as easily as other Mobil 1 grades.
posted by 74.104.168...
Posts in this Thread:
- Oil change, Gus, Thu, 14 Mar 2019 11:39:48
- Re: Oil change NO don't change oil W/ due to age of the motor, neil dale , Fri, 22 Mar 2019 13:30:38
- Re: 0w40 is on the thin side., Brian, Mon, 18 Mar 2019 11:15:00
- "ORIO Oil Guide", a little long, Paul from Palmyra, PA, Sat, 16 Mar 2019 13:02:18
- Re: "ORIO Oil Guide", MI-Roger , Thu, 21 Mar 2019 17:40:18
- Mobil 1 0w40 is still sold at Walmart ($25/5qt), dmz789qqq, Sun, 17 Mar 2019 09:01:46
- Now I see!, Paul from Palmyra, PA, Sun, 17 Mar 2019 13:01:14
- Re: Oil change, bobc , Fri, 15 Mar 2019 05:56:13
- Re: Oil change, Tom G , Fri, 15 Mar 2019 02:09:22
- Re: Oil change, Gene N , Thu, 14 Mar 2019 15:51:54
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