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Old May 20, 2008 | 05:47 PM
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another oil q...

so while changing my water pump yesterday, i noticed a sticker that had some basic part info on my car. it included spark plug type, how to check timing, and what oil type to use... for as long as i've been changing my oil, i have been using 10w30... the sticker says i should be using 5w30... is that bad?
 
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Old May 20, 2008 | 06:06 PM
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10w30 will cause reduced fuel economy and reduced lubrication at startup due to its excessive thickness. 5w30 is ideal. 0w30 is also acceptable.
 
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Old May 20, 2008 | 08:00 PM
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Like what bear said, you didn't really hurt anything besides fuel economy and a little extra wear.

I would just stay away from heavier weight oil.
 
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Old May 21, 2008 | 04:30 AM
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FUEL ECONOMY??????????? NOOOOOOOOOOOOOOOO!!! lol
 
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Old May 21, 2008 | 10:03 AM
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when i first got my aero, ran 5w50 Castrol Syntec. got the same gas mileage then as now. hot or cold. takeoff and pulling the same as 30 weight. running 10w30 Chevron Supreme now only because it's CHEAP.
ran 0w20 Mobil 1 for awhile.
gas mileage all the same.

almost no measurable difference in our mild NW climate between 5w and 10w oils at our start temps in winter. we're above 32d F 99% of the time Nov>Mar.
cold temp startup viscosity only comes into play below 20d F and is really noticeable below 0d F. we don't see those temps here in Vanc./Port.

all 30 weight oils are in the same viscosity spec. range at 100d C 212d F rated hot temp

Ford recommended 7500 mile oil changes in normal service on the Aero. far too long with the hot enclosed poorly cooled engine.
no more than 6000 freeway or 5000 intown suburban. new oil filter each time.

Passenger Car Motor Oil (PCMO) - Gasoline Cars/Pickups/Vans/SUVs - Bob Is The Oil Guy

may see some extra engine drag at higher rpms lower fuel mileage with the high revving 3L. and 50 weight oils.
 
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Old May 21, 2008 | 11:25 AM
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I routinely run 15,000 mile oil change intervals without problems. The engine runs cool enough, no hotter than the Rangers.
 
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Old May 21, 2008 | 12:51 PM
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dang where do you guys find the 15,000 mile oil and filters?
 
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Old May 21, 2008 | 05:59 PM
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I run Royal Purple oil, and Mobil1 Extended Interval filters. Amsoil is also rated to 15,000 miles.

Please note, before you consider using an extended life oil, you need to verify the condition of your engine. No point putting a premium oil in an engine that burns more than one quart every 2 or 3 thousand miles. Also no point using a premium oil if the engine has a blowby problem.
 
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Old May 22, 2008 | 12:49 AM
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yeah i think the only van(s) i'd use the 15,000 mile stuff is on my dad's works vans. his van never burns oil.
 
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Old May 25, 2008 | 09:08 PM
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5w

..........Is the winter rating. At brass monkey winter temps thinner 5w oil is what runs nicely into the shell bearings & stops the clattering sound of metal to metal contact at start up.
If your down in Florida, or any of those lower states 10W 30 is quite thin enough for winter start-up's. Mine gets 10W30 in summer & 5W30 in winter, I'm in the GWN,,, well the milder part of it.

Aeroman.
 
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Old May 26, 2008 | 12:52 AM
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You do generallt want to runt he thinnest oil that will still protect the engine. I would vote for the 5w30. thats what Ford recommends, and thats what I run in my own engines.
 
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Old May 26, 2008 | 01:08 AM
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hahaha nice. funny story about that oil thing (not w my aero of course) i was at work today, checking in a one way 14ft truck, and noticed i could hear the valves ticking. so i check the oil, and just as i thought, it was a half a quart low. so i'm lookin around an notice that ford reccomends using 10w30 (it's badged f350, but it's a box van) for oil. yet u-haul says only use 15w-30... interesting?
 
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Old May 26, 2008 | 09:57 AM
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Originally Posted by DCRB
hahaha nice. funny story about that oil thing (not w my aero of course) i was at work today, checking in a one way 14ft truck, and noticed i could hear the valves ticking. so i check the oil, and just as i thought, it was a half a quart low. so i'm lookin around an notice that ford reccomends using 10w30 (it's badged f350, but it's a box van) for oil. yet u-haul says only use 15w-30... interesting?
Was it a Diesel DCRB?

If so, the 7.3L takes 10w30 during the winter and 15w-40 during the summer.
 
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Old May 26, 2008 | 04:07 PM
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nope. lemmy look it's exact specs up real quick...

(a few mins later)

ok here's the full specs as per uhaul equipment:

Type:14' TRUCK

Year:1997

Make:Ford

Model:F350

Engine:V8 7.5L 460 EFI GAS

Transmission:E40D

Current mileage171437
 
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Old May 26, 2008 | 04:09 PM
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all our diesels were filtered out and are all now forsale. this is because of two reasons:

one, diesel is friggin expensive.

two, people kept topping off the tanks w gas and kept causing too many expenses. or so i'm told. lol
 
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