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Old 05-19-2009, 07:29 PM
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Join Date: Nov 2008
Location: Davenport, FL
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Default Should I switch to synthetic or half-synthetic oil?

I have two explorers, mine is a 2000 with 140k and my wifes is a 1997 with 120k. I would like to switch them both to either synthetic or half-synthetic as I have been taking them to the dealer and getting the cheap stuff. I used to use Castrol Syntec (half synthetic) in my 92 Ranger which had 212k on it when I sold it 2 years ago and I still see it driving around. I would however appreciate any suggestions or recommendations anyone could give me. I would especially like to be directed to any sites that compare the oils by a non-biased party, (non manufacturer). Is it better to go half synthetic for a number of years and then go full, or does it matter? Let me know what has worked for you.

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Old 05-26-2009, 09:28 AM
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2010 Lincoln MKZ
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Join Date: Jan 2007
Location: Yorkshire, NY
Posts: 1,687

I would go FULL SYNTHETIC for the price difference between a FULL and a SEMI-Synthetic lubricant.

My personal preference is ASMSOIL. Have been using it in everything I own/have owned with "0" problems.

I presently have AMSOIL in my following items since new:

1979 Gilson Snow Blower - Model 5148 (Engine, Geer Box, Tranny) (Bought from original owner who never used it)
1995 Honda Self-Propelled lawn Mower (Engine)
1999 Campbell Hausfeld 2500 PSI pressure washer (Engine)
2004 Ford Freestar Limited (Engine, Tranny, Power Steering, Oil & Air filter)
2003 Poulan 2-Cycle Weed Trimmer (100:1 Pre-Mix)
2005 Yardman 2-Cycle Roto Tiller (100:1 Pre-Mix)
2007 Farm-Hand 3-Cylinder 5 HP Air compressor (Compressor)
2007 Generac 17.5KW Generator (Engine, Oil filter)
2008 Airens Snow Blower - Model 11528DLE (Engine, Gear Box)
2008 Sable (Engine, Tranny, Power Steering, Engine, Oil & Air filter)
2008 ECHO PAS-265 2-Cycle PRO Attatchment unit (100:1 Pre-Mix)
2009 3,000 PSI Troy-Bilt Pressure Washer (Engine)
2015 F-150 Lariat Supercrew (Special Ordered)
2004 Freestar Limited 4.2 V6 w/Water Injection & Iridium plugs
2010 Lincoln MKZ AWD
2007 Focus SE
1979 Gilson 32" 10HP Snowblower
2007 Generac 17.5Kw Generator w/33HP Twin-Cylinder engine
Farmhand 3-Cylinder air compressor

AMSOIL Lubricants and Filters in everything

"Have a good day, and a better one tomorrow"

Last edited by Use Common Sense; 05-26-2009 at 11:33 AM.
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Old 05-26-2009, 01:50 PM
Senior Member
Join Date: Nov 2007
Posts: 379

At the mileage you have on your vehicles, I don't see any reason to change from Ford's Synthetic Blend to a Full Synthetic. I doublt that it will improve the life of the motor, if you have been getting it serviced on a regular basis. Your Full Synthetic will run about 7 dollars a quart or better and the 5W20 or 5W30 (depending on motor) that goes into a "oil change special" runs about 2 dollars a quart. The reason for the price difference is that Ford sells the 5W20 and 30 in the hundreds of gallons at a time verses by the quart. I have used the Motorcraft Synthetic Blend in my vehicles for years with no problem. My 90 model that I gave to my grand-daughter is approaching 300,000 miles and runs like a new one, with no oil comsumption. My 98 that I drive to work has 240,000 on it and again no problems. I do run the Full Synthetic in my 04 Lariet, just to get another mile or two per gallon out of it. Just my 2 cents worth.
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Old 05-15-2013, 04:31 AM
Junior Member
Join Date: May 2013
Posts: 2

Any FRESH, CLEAN oil is fine. Just make sure you change it at the recommended interval.
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