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I use what the manual says Ford semi-synthetic 5w20. Either Ford Filter or best Fram the auto parts store has. I change it every 5,000-7,500 miles. I do 90% fwy driving, no towing.
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1978 F250 Lariat 4x2
2008 Expedition Eddie Bauer 4x2
Nothing but Motorcraft filters on my Fords. I've run Castrol on every one of them for the last 10 years and I'll stick with that. Viscosity comes down to whatever the manual calls for.
I run Full synthetic, whatever is on sale, and viscosity based on weather. Every 7-9K miles. Filter-proline or K&N when its on sale. Of course, I just changed my oil for the 4th time in 22 months, I just hit 18K miles.
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06 F250, Lariat 6.0L Powerstroke, Draw tite hide a hitch gooseneck
2001 Isuzu Vehicross, Aussie Locker, 34" Kevlar tires, tons of extras, 1 of about 4000 ever made
1993 Trooper RS, Aussie Locker, 33" Mudders, 1 of 1500 in the US http://www.fuelly.com/sig-us/55407.png
I run Mobil 1 and there Mobil 1 filter only. The Motorcrafts go into bypass fast, because there valving is weak. Then once bypass happens no filtering.
I am excited about the New Castrol edge, but am waiting for the 5/20 version that is not out yet. Motorcraft oil isnt that great, and doesnt perform well intests.
Hastings makes a good filter, NAPA brand is good, and so is federated.
I never run FRAM, Never
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06 SuperDuty 4x4 extcb 5.4, TorqShift, 4:10.
90 Mustang 9's, 750 HP Windsor. Ultratech Chassis http://www.youtube.com/watch?v=pibt-TVgAx4
40 GMC truck, Mustang II, SBC.
Sig Sauer P229 Two tone.
I run Mobil 1 and there Mobil 1 filter only. The Motorcrafts go into bypass fast, because there valving is weak. Then once bypass happens no filtering.
I am excited about the New Castrol edge, but am waiting for the 5/20 version that is not out yet. Motorcraft oil isnt that great, and doesnt perform well intests.Hastings makes a good filter, NAPA brand is good, and so is federated.
I never run FRAM, Never
you have anything to back up your statements...particularly the bold ones?
I'm especially interested in the valving one.
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MM1 (SS) - 688 Class - First Flight Tough 2006 F-250 Lariat CC w/PSD <-- Build Thread
2012 Flex Limited <-- 17 mpg city, 27 mpg highway.
you have anything to back up your statements...particularly the bold ones?
I'm especially interested in the valving one.
Oil war... LOL let me put on my Turban!
( I couldnt resist )
I wouldnt have said it if it wasnt true, Any good machine should or better Autoparts store ussually has the display of all the major brands cut open... Even the ones with the carboard iner valving. Let me see if I can find it one her, I will try to post it, although I am not that good at this...
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06 SuperDuty 4x4 extcb 5.4, TorqShift, 4:10.
90 Mustang 9's, 750 HP Windsor. Ultratech Chassis http://www.youtube.com/watch?v=pibt-TVgAx4
40 GMC truck, Mustang II, SBC.
Sig Sauer P229 Two tone.
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Oil war... LOL let me put on my Turban! 
