enough miles to start adding amsoil?
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Junior User
Joined: Jun 2003
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From: Green Bay
enough miles to start adding amsoil?
ok i have just over 2100 miles on my 05 f150 and i would like to change my oil to ams oil 90% of the miles is prob city driving. i'm looking at keeping with 5w20 on my 5.4L and go with amsoil. safe enough to go? or go with nomal mobil oil?
Post Fiend
Joined: Jan 2003
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From: Iowa
I would wait until 100,000 miles so that your warranty stays intact. Amsoil is not API certified and will void your warranty.
Even after the warranty runs out, I'd still use the recommended oil. There are plenty of absolutely spectacular UOA's on here using regular conventional oil.
Save your money.
Even after the warranty runs out, I'd still use the recommended oil. There are plenty of absolutely spectacular UOA's on here using regular conventional oil.
Save your money.
Senior User
Joined: Jun 2004
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From: Twin Cities MN
If you plan on switching to the XL7500 5W-20, then that would be fine for warranty as the XL7500 line is API certified. Switch to syn anytime you want. Just remember that XL7500 is mostly GrIII basestock and **OPINION** although it is allowed to be called a "synthetic", ethically it shouldn't **OPINION**.
For a much better deal, switch to the new Mobil Clean 5000 or Clean 7500 lines, or use the Motorcraft oil. Either the Clean 5000 or Motorcraft is a steal for what you get.
For a much better deal, switch to the new Mobil Clean 5000 or Clean 7500 lines, or use the Motorcraft oil. Either the Clean 5000 or Motorcraft is a steal for what you get.
Senior User
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Originally Posted by WildThing327
ok i have just over 2100 miles on my 05 f150 and i would like to change my oil to ams oil 90% of the miles is prob city driving. i'm looking at keeping with 5w20 on my 5.4L and go with amsoil. safe enough to go? or go with nomal mobil oil?
The Mobil is API certified also to protect you while under warranty .Something to think about there as Ford is tightening up on warranty claims .
EDIT: I forgot the Amsoil is API certified . I personally would still choose the Mobil though .
BTW , does this Amsoil 5w-20 meet the new 2005 Ford specs ? It's different from the 2004's 153H you know .
Last edited by DOHC; Feb 16, 2005 at 10:51 AM.
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 7,298
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From: Southern California
I would wait until the milage/time interval is due for an oil change. Then I would refill with a major brand oil. Major brands supply not only automotive, but farm, fleet, construction, avation and marine markets. They expend a lot of effort on R&D. So why not bennefit from their technology for a very reasonable price?
IMHO, the high priced boutique lube is only intended to exploit people whose love for their vehicles clouds their good sense.
IMHO, the high priced boutique lube is only intended to exploit people whose love for their vehicles clouds their good sense.
Cargo Master
Joined: Aug 2004
Posts: 2,899
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From: Lynnwood, WA
Even if Amsoil were better than MC or Mobil1l, I wouldn't void my warranty using a non-API certified oil.
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Posting Guru
Joined: Dec 2003
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From: Centerville, Iowa
One thing I've learned about with my Ford's....stick with Motorcraft and Borg Warner parts/lube. If you can get a MC or BW part over another...get it. Solid deal.
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Junior User
Joined: Mar 2004
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wildthing 327,you can put amsoil,mobil1, or any other synthetic in your f150 at 500 miles or at 50,000 miles. synthetic oils work well in motors, trans, and differentials. they cost more but they last longer and work better in cold temps.
Postmaster
Joined: Jan 2003
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From: Durham, NC
Originally Posted by DOHC
EDIT: I forgot the Amsoil is API certified . I personally would still choose the Mobil though .
http://eolcs.api.org/DisplayLicenseI...LicenseNo=0995
Senior User
Joined: Jun 2003
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Originally Posted by Bob Ayers
Most Amsoil products ARE NOT API certified, for the ones that are, check out this URL:
http://eolcs.api.org/DisplayLicenseI...LicenseNo=0995
http://eolcs.api.org/DisplayLicenseI...LicenseNo=0995
The topic 5w-20 Amsoil does not meet Ford M2C930-A which that 2005 Ford needs for warranty purposes if going by the book .
New User
Joined: Mar 2005
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http://www.boss302.com/oil.htm
you should read this, this guy seems to know what he is talking about.
you should read this, this guy seems to know what he is talking about.
Posting Guru
Joined: Jul 2001
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mountravlr, you are correct, there is a reason that these two specific engines require synthetic. Poor engine design. The Vette starves for oil at the front main bearing at startup. The synthetic helps with its cold flow properties. The Viper has problems with cooling at the center cylinder causing coking of the oil. Synthetic helps relieve some of this problem.
Wildthing327, the Amsoil 5w-20 isn't worth the asking price. Its a good oil, but not better than others at a fraction of the cost. It's your wallet and your truck.
Wildthing327, the Amsoil 5w-20 isn't worth the asking price. Its a good oil, but not better than others at a fraction of the cost. It's your wallet and your truck.
