5w20 oil?
Fleet Owner
Joined: Jan 2004
Posts: 26,007
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From: Brentwood,CA
and the cobra r also has oiling mods done to it. so how do you even compare the two you can't.
waimea, the owners manual does not say to use a synthetic oil so i have no clue where you got that from. it only reccomends ford 5w20 synthetic blend or a ford spec 930 oil.
waimea, the owners manual does not say to use a synthetic oil so i have no clue where you got that from. it only reccomends ford 5w20 synthetic blend or a ford spec 930 oil.
Post Fiend
Joined: Mar 2003
Posts: 14,413
Likes: 3
From: Sarnia, Ontario, CANADA!
Here is some great info from the Oil and Lube forum on here. It is from Flash so it HAS to be good. HE KNOWS HIS STUFF! 
https://www.ford-trucks.com/forums/s...d.php?t=157240
-Matt
https://www.ford-trucks.com/forums/s...d.php?t=157240
-Matt
New User
Joined: Aug 2005
Posts: 4
Likes: 0
Originally Posted by Bob Ayers
Here are the ONLY Amsoil products that are API certified!!! Bottom line, stay away from Amsoil, or any other MLM company!!!
http://eolcs.api.org/DisplayLicenseInfo.asp?LicenseNo=0995
B.T.W. XLM 5W-20 IS NOT API certified!!!
http://eolcs.api.org/DisplayLicenseInfo.asp?LicenseNo=0995
B.T.W. XLM 5W-20 IS NOT API certified!!!
As far as Amsoil being MLM, that's neither here nor there. Murray's Autoparts in MI, OH, and IL stock Amosil, and that's about 100 stores, and Belle Tire also stocks Amsoil products in their retail stores in MI and OH, and that's about 98 stores.
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Freshman User
Joined: May 2005
Posts: 48
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My dad has a 2001 f150 5.4 and has used 5w/30 since new 120.000km not a prob runs and drives like new, I thought he was using 5w20 all this time but he said every oil change since new its been 5w30 and like I said no problems, so thats proof in the puding its all bs i think.
Postmaster
Joined: Jan 2003
Posts: 4,417
Likes: 3
From: Durham, NC
Originally Posted by Len_A
BTW, your aboslutely wrong. All the Amsoil XL oils are API certified, and "XLM" is the Amsoil part number for the 5W20 XL oil. "XLF" is the 5W30, "XLT" is the 10W30, and "XLO" is the 10W40. I have the Amsoil brochure in PDF format on this product line and that's where I got the information.
As far as Amsoil being MLM, that's neither here nor there. Murray's Autoparts in MI, OH, and IL stock Amosil, and that's about 100 stores, and Belle Tire also stocks Amsoil products in their retail stores in MI and OH, and that's about 98 stores.
As far as Amsoil being MLM, that's neither here nor there. Murray's Autoparts in MI, OH, and IL stock Amosil, and that's about 100 stores, and Belle Tire also stocks Amsoil products in their retail stores in MI and OH, and that's about 98 stores.
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1973 - 1979 F-100 & Larger F-Series Trucks
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