Lots of miles means thicker oil?
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Member
Joined: Nov 2001
Posts: 39
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Lots of miles means thicker oil?
I was just wondering if I should switch from Mobil1 5W30 Synthetic to maybe 10W30 or 15W30. This is because my 98 F-150 now has got about 108,000 miles. Is it time for a change, or am I just being overdramatic?
Technical Article Contributor
Joined: Oct 2003
Posts: 1,490
Likes: 0
From: Topeka Kansas
There are some oil products that are made exactly for the purpose you have stated like this one from Vavoline...
http://www.valvoline.com/pages/produ....asp?product=7
Video...
http://www.valvoline.com/maxlife/med...eoName=maxlife
I don't know what weight it comes in though.
http://www.valvoline.com/pages/produ....asp?product=7
Video...
http://www.valvoline.com/maxlife/med...eoName=maxlife
I don't know what weight it comes in though.
Last edited by temp1; May 24, 2004 at 03:00 AM.
Senior Member
Joined: Mar 2001
Posts: 4,506
Likes: 6
From: Puyallup, WA
I've got almost 124,000 on mine and still use the 5w30. Don't see any evidence of needing to change. Still only uses 1 qt every 3000 miles..... Same as it did when it had 62,000 miles on it......
Technical Article Contributor
Joined: Oct 2003
Posts: 1,490
Likes: 0
From: Topeka Kansas
I just found out that Ford is even recommending the 5w20 oil for F150 model years 1997 and newer.
https://www.f150online.com/forums/sh...threadid=77117
https://www.f150online.com/forums/sh...threadid=77117
