Time to change oil
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Senior User
Joined: Jan 2007
Posts: 355
Likes: 0
From: Wichita, KS
Time to change oil
Its time to change oil and I am considering going to a 5W40 syn for the hard starts during the cold mornings. It gets down to single digits here in Kansas but will also see temps in the 60 deg range a few days in the next couple months. Is the 5W40 going to be OK for the 50-60 degree days or do I need to stay with 15w40?
Senior User
Joined: Dec 2009
Posts: 118
Likes: 0
From: Murray KY
There should be no difference on the higher temp side of things. Synthetics are said to flow better in low temps and not break down as fast on high end temps which could be a plus with air cooled engines, turbos, etc.
Postmaster
Joined: Jan 2009
Posts: 2,544
Likes: 4
From: Suffolk, VA
My local Auto Zone has the Rotella-T for the same price as Wally World, and since I hate that place I just get it at Auto Zone and use my rewards card with the program they have there. Every 5th time I spend $20 there I get a $20 credit.
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Lead Driver
Joined: Jan 2007
Posts: 6,708
Likes: 5
From: Kiowa CO
That's where I pick my Rotella up at. Cheapest price around my area. I run it year round with no ill effects whatsoever.
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Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
Try it -- you'll like it. Listen to your truck after it first starts up with the dino, then listen with the syn in it. Especially when it's cold. Another neat trick is to put a little syn & dino in the freezer (or outside if it's really cold where you are), then pour them both out. You may be surprised.
Posting Guru
Joined: May 2007
Posts: 1,967
Likes: 0
From: Bowling Green, Kentucky
I run the Dino year around and get it at WW it has gone up to $11.50 a gallon. I also just stopped at my local IH dealer and picked up the Fleetguard LF3630 oil filter for $12.64 and a Fleetguard fuel filter for $21.80. I never had problems with the Dino but always think about trying syn but thats $32.00 more per oil change if you change at 5000 miles. But you can also go longer on Syn so it may be worth it.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
Loyal synthetic user since 15,000, my truck now has 132,000 on it and my UOA's wear numbers are fantastic, go for it. This previous change I tried out the Schaeffers 7000 synthetic blend, good stuff also if you can find it, dealers and certain small shops you can find it.