Motor oil question
More Turbo
Joined: Jan 2007
Posts: 505
Likes: 6
From: Boulder Junction Wi
Originally Posted by Beerstalker
Or you could go to Advance Auto Parts and get 7 quarts of 5W20 motorcraft synthetic blend for $18.76 and know that you aren't going to have any problems for the next 6 months\5000 miles.
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New User
Joined: May 2007
Posts: 22
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I like your idea about going to Wal-Mart for the oil.
We dont have an Advance Auto parts around here and they don't have the Motorcraft oil on their website. All they have is Castrol and Valvoline 5-20 synthetic blend for $3.69 per quart.
We dont have an Advance Auto parts around here and they don't have the Motorcraft oil on their website. All they have is Castrol and Valvoline 5-20 synthetic blend for $3.69 per quart.
Senior User
Joined: Feb 2007
Posts: 201
Likes: 0
From: Royse City, TX
http://www.quakerstate.com/pages/car...icconventional
myth #4 says you can mix synthetic and conventional oils as long as they meet the same specifications. I haven't done it myself but I never really understood why you shouldn't.
myth #4 says you can mix synthetic and conventional oils as long as they meet the same specifications. I haven't done it myself but I never really understood why you shouldn't.
Postmaster
Joined: Oct 2005
Posts: 3,620
Likes: 3
From: WARRINGTON, PA
retired, i dont know, its kinda like toilet paper. if you could save a few cents going with the cheap stuff, but rub your *** with sandpaper, or, spend a tad bit more and have the satisfaction that everything will go smooth and soft, why not spend the extra? all I was saying is that why even think about these things? i just like to change the oil and filter.and not have to even think about the different oils. good luck to you. hope it all works out..
Posting Guru
Joined: Mar 2005
Posts: 2,060
Likes: 7
From: Burnsville, MN
Hmmmm. Interesting idea, but have you priced sandpaper recently?......
But I do see your point. Most of us just want to take care of the truck so it will reliably take care of us. Although I used mobil 1 synthetic at 3,000 mile (and less) intervals for the first two years, I've now changed to dino. However, I do find the idea of throwing in one or two quarts of synth very intriguing.
But I do see your point. Most of us just want to take care of the truck so it will reliably take care of us. Although I used mobil 1 synthetic at 3,000 mile (and less) intervals for the first two years, I've now changed to dino. However, I do find the idea of throwing in one or two quarts of synth very intriguing.
More Turbo
Joined: Jun 2007
Posts: 537
Likes: 3
From: Carvel, AB, Canada
Although they may be compatible, one should stick with one brand and one kind of oil. Either synthetic or dino. The additives from brand to brand are different and may interract without you knowing it. All of them probably meet the specifications that you are looking for, but that is if you are only using the one brand of oil. The oil manufacturers don't know what else you are mixing it with and they can only speak for their product. What I'm wondering is why would you extend your oil change intervals with synthetic? The whole idea behind it is to reduce wear on your engine. By extending your service intervals you are eliminating its main benefit.
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New User
Joined: May 2007
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I dont recall saying that I was looking to extend my service interval. Im looking to save some money by mixing the two types of oils myself rather than purchasing a commercially blended product. Several oil companies that I queried including Mobil1 say that its perfectly fine to mix the two types of oil myself, so thats what I will be doing.
Logistics Pro
Joined: Nov 2002
Posts: 4,788
Likes: 20
From: Mansfield, TX USA
Originally Posted by RACERX7775
spend a tad bit more and have the satisfaction that everything will go smooth and soft, why not spend the extra?
I have posted this time and again, but some people are slow learners.
Changing oil is as easy as 1, 2 3:
1. Open the owners manual;
2. Use the type/weight of oil recommended in the manual; and
3. Change the oil according to the OCI in the manual (or use the OLMS, is so equipped).
It isn't any harder than that. All the SL/SM - CI+-4/CJ-4 oils on the market today, including cheapo generics, are more than capable of getting your gasser engine to 150k or more and diesel to 250k-300k or more if you follow 1, 2, 3 above.
Guys - It's a no-brainer.
Last edited by jschira; Jul 24, 2007 at 08:20 AM.
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
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From: Stephensville WI
Originally Posted by RACERX7775
retired, i dont know, its kinda like toilet paper. if you could save a few cents going with the cheap stuff, but rub your *** with sandpaper......
What, you don't like John Wayne toilet paper?
What is John Wayne toilet paper?
Its rough, tough and doesn't take crap off of anyone.
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