synthetic oil ?
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Joined: May 2009
Posts: 604
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From: Inman KS
synthetic oil ?
hey guys i know this is the age-old question but if i run a motorcraft filter on my 06 supercrew can i switch to a full synthetic oil? My truck has 35k on it. If i would switch what oil should i use i know there's a lot of options out there but i'm kind of thinking royal purple or amsoil What do yall think ?
Senior User
Joined: Oct 2006
Posts: 199
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From: Florida
If you have been using the Motorcraft semi-synthetic it should not be a problem. If you change your oil every 5000 miles or less you can use any synthetic and be ok. I would use whatever is on sale like Quaker State, Pennzoil, Valvoline, Mobile 1, etc.
Junior User
Joined: May 2009
Posts: 82
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From: East Machias, Maine
Oil
I use Amsoil in everything I have. 2 and 4 stroke. My 95 chevy
has 235000 and counting with no leaks even. I hope my 07 F150 lasts as long and as well.
Kevin
5000!!!? Why use synthetic? I run it for at least 10,000 and my business partner has my old f150 that has 280,000 mile on it and he has run it for at least 20,000/oil change for the last 150,000 miles. Waste of money to change it that often. This should open up a discussion!
has 235000 and counting with no leaks even. I hope my 07 F150 lasts as long and as well.Kevin
5000!!!? Why use synthetic? I run it for at least 10,000 and my business partner has my old f150 that has 280,000 mile on it and he has run it for at least 20,000/oil change for the last 150,000 miles. Waste of money to change it that often. This should open up a discussion!
Last edited by klook; May 29, 2009 at 07:53 PM. Reason: Last message
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 7,298
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From: Southern California
Lubrication tecnology has advanced so much from twenty years ago that there's really not that big a performance difference between conventional motor oil and synthetic. Excluding the now rare POA lubricant's, conventional and synthetic are both made from the same hydrotreating process. The difference is minimal. Like the difference between premium and mid grade gasoline.
But whether you choose synthetic or conventional, I recommend the major oil companys which make lube for consumer, farm, construction, fleet, aviation and marine. Chevron, Shell, Texaco, to name a few. They are the one's with the R&d technology that develop
all the new improvements and then license it to the little packaging companys like amsoil and Royal Purple.
But whether you choose synthetic or conventional, I recommend the major oil companys which make lube for consumer, farm, construction, fleet, aviation and marine. Chevron, Shell, Texaco, to name a few. They are the one's with the R&d technology that develop
all the new improvements and then license it to the little packaging companys like amsoil and Royal Purple.
Fleet Mechanic
Joined: Aug 2006
Posts: 1,465
Likes: 17
From: Jacksonville, FL
I run Pennzoil Platinum, seems to be a good oil, not too pricy either, i change it every 10,000 miles and motorcraft filter every 5000 miles, a lot comes down to personal preference though.
Senior User
Joined: Aug 2008
Posts: 278
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From: Bethlehem, PA
AMSOIL all the way. It is made with a different base than any other synthetic out there. It will never cause varnish or sludge in your motor, and you can safely run the oil for 25,000 miles. I use it in my truck as well as my Volvos. It will not void your warranty, and if the dealer says it does; The AMSOIL corp. will litigate with their laywers to go to bat for you. The best way to get the most out of Amsoil if you are going to spend the money is, Run their oil filter. Their filters are specially designed with a smaller micron count than most filters and are made to clean and pull dirt and build up out of your engine. If your not going to catch all the dirt that the oil will clean out, there is no sense in running the oil. I am not a salesman for them, but my 1997 F250 needed a head gasket and some other small things done. The shop manager called me at home to find out what oil I used because my motor he said "Looked like it came out of an '04 truck". This was an odd statement considering my 250 has 184,000 miles on it.
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Posting Guru
Joined: May 2003
Posts: 1,666
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From: Sunny tourist infested FL
I only run Motorcraft 5w-20 semi-synth and Motorcraft filters in my Fords..
I retired (well traded in) a 2001 Ford Focus with 362,718 miles back in January for a new 2009 Focus..
The oil was changed evey 5000 miles. I never had an oil related problem, no leaks, nothing.
So I see no reason to put expensive oil in my Fords. Ford recommends Motorcraft 5w-20 and it's cheap at Walmart, so why not use it? It's $14.00 for 5 quarts. And $3.18 for the Motorcraft filter.
But, to each his own...
I retired (well traded in) a 2001 Ford Focus with 362,718 miles back in January for a new 2009 Focus..
The oil was changed evey 5000 miles. I never had an oil related problem, no leaks, nothing.
So I see no reason to put expensive oil in my Fords. Ford recommends Motorcraft 5w-20 and it's cheap at Walmart, so why not use it? It's $14.00 for 5 quarts. And $3.18 for the Motorcraft filter.
But, to each his own...
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Posting Guru
Joined: May 2003
Posts: 1,666
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From: Sunny tourist infested FL
I'm wondering... Do you guys that go 10,000 or more get an oil analysis done to ensure you oil is actually good for that many miles? Or are you going by what the manufactures is saying?
Analysis is the only reliable way to determine what is happening to your oil on extended usage.
I change my own... Takes about 20 minutes. Why pay someone to do it? It also gives me a chance to look at the underside of the truck.
Analysis is the only reliable way to determine what is happening to your oil on extended usage.
Originally Posted by lakeforkfisherman
I use Royal Purple in my 04 Screw 5.4. Change it every 6k. Ends up being the same cost as semi synthetic at every 3k, just one less trip to the oil change place.
Sick 'n Tired
Joined: May 2006
Posts: 2,969
Likes: 47
From: League City, TX
I use Pennzoil Platinum Syn in both my 5.4L engines. It usually goes on sale twice a year and I buy up as much as I can find when it does. However, if I couldn't find it on sale I'd stick to the Motorcraft Blend. Fact is, paying $6/quart for ANY oil is crazy.
As far as Amsoil and Royal Purple, it's good stuff but overkill. You don't need to use a lubricant that was designed for turbo-prop and jet engines flying in 60 below F conditions in a terrestrial vehicle. Unless of course you plan to take a family vacation...to Antarctica. But, to each their own...spend your dime they way you see fit!
As far as Amsoil and Royal Purple, it's good stuff but overkill. You don't need to use a lubricant that was designed for turbo-prop and jet engines flying in 60 below F conditions in a terrestrial vehicle. Unless of course you plan to take a family vacation...to Antarctica. But, to each their own...spend your dime they way you see fit!
Senior User
Joined: Aug 2008
Posts: 278
Likes: 1
From: Bethlehem, PA
Yeah Wildcard, I understand where you are coming from. I dont send mine in for analysis, But our fleet vehicles at work we do. With a pre filter, some of our large diesels have been known to go a little over a year with oil changes; That is sending the samples in every 2 months. They come back with the OK to keep running, showing the viscosity is still good. It was the hardest thing for me to do when I switched over to Amsoil; To let my oil go 25,000 miles. But like every new development out there, There are many old school guys that dont believe in it. Me, myself, I have seen the effects of the oil personally and would use nothing else for my trucks, european cars, chain saw, and every thing else gas powered I own.
Junior User
Joined: May 2009
Posts: 82
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From: East Machias, Maine
Same for me, I have seen the difference and have seen the results from heavy work vehicles to racing motors. I live in an area that gets very sub-zero and I want my oil to flow. Besides, reduced friction is a no brainer. It is a money saver when you go to longer drain intervals. It is also important to note that you should check your oil regulary because strange things can happen.
Kevin
Kevin
Senior User
Joined: Jun 2007
Posts: 374
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I agree with Wildcard30 why spend the extra money on high end oil when standard oil or what ever the book says to use will work just as well. The guy down the street from me has 320,000 on his truck f250 97 and uses shell oil. Truck is like new still and runs like it too.
Junior User
Joined: May 2009
Posts: 82
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From: East Machias, Maine
That is only true if you are going to drain it as often as regular oil. I save money by extending drain times. I do like to change the filter more often but I have come to believe this is unneccesary also.
Kevin
Kevin