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What oil are you guys running?

Old 03-10-2006, 10:53 AM
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Question What oil are you guys running?

I've always had good luck with Castrol GTX 10W-30, and will probably continue to use it for all of my vehicles. Anyone else have a favorite brand?
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Old 03-10-2006, 11:43 AM
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Mobile 1.
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Old 03-10-2006, 04:48 PM
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You are suppose to use 5w-20 in the new 05/06 Mustangs.
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Old 03-10-2006, 05:00 PM
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Looks like all the new motors are being built with tight bearing clearances and need a lighter viscosity oil ..
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Old 03-10-2006, 05:53 PM
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Originally Posted by Brains
Looks like all the new motors are being built with tight bearing clearances and need a lighter viscosity oil ..
or it is just a simple way for Ford to squeze a tiny bit more fuel mileage out of their cars.
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Old 03-10-2006, 07:08 PM
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Whatever's on sale! (years of driving a Honda does that to you)
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Old 03-11-2006, 04:32 PM
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Mobil 1 EP in anything that I care about. K&N oil filter as well.
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Old 03-11-2006, 10:54 PM
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valvoline 5w30 full synthetic in the mustang, and valvoline maxlife 10w30 in the ranger.(can you tell i sell valvoline at my store, lol)


and most companies are beginning to switch back from 5w20 to 5w30 now, dont know why, but its only been a couple years that 5w20s been widely used and i guess maybe they are beginning to see problems already, most hondas are back to 5w30s and some fords. id stick with 5w30 personally.
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Old 03-13-2006, 02:11 PM
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Love my Mobil 1 Synthetic.
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Old 03-13-2006, 04:28 PM
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Im a strong advocate for M1, but have been thinking about making a change to something else. My rule of thumb for the smurf is to use 1qt for every thousand RPM I spin. (shift at 6500, so I run 6.5quarts)
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