10w-30 for the 6.0 - Ford Powerstroke Diesel Forum
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post #1 of 15 Old 03-14-2008, 04:42 AM Thread Starter
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10w-30 for the 6.0

Well I've been running 5w-40 Shell rotella syn for the past few K and it seems to be doing good, but I'm interested in how the 10-30 motorcraft does in our engines? any issues long term? I know they do not recomend it for trailer towing and extreme use; heat etc. One reason I'm interested in it, is b/c it's called out for in the owner's manual and I don't ever tow, and 99.999% it's just me driving around by myself or with 2 folks in the truck and maybe a rocking chair in the back or mountain bikes. so the truck is never really loaded. so I'm interested in the 30wt MPG savings. and I've heard alot of rumors that dealers are recomending it year round... opinions on going 10-30? I understand you can't tow, or haul heavy stuff etc. but for normal day to day soccer mom stuff... i'm looking at it as a option. and I'm all ontop of Oil changes.

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post #2 of 15 Old 03-14-2008, 05:51 AM
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i run Amsoil 5w-40 in my 6.0L !!!
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post #3 of 15 Old 03-14-2008, 06:02 AM
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Motorcraft 10-30 is not diesel rated so it does noit have the additives to fight soot as the 5-40 or 15-40. Amsoil does have a 5-30 diesel oil thats is awesome.
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post #4 of 15 Old 03-14-2008, 06:24 AM
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Quote:
Originally Posted by Performance Oil Products View Post
Amsoil does have a 5-30 diesel oil thats is awesome.
Agreed, I run it in mine.

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post #5 of 15 Old 03-14-2008, 07:00 AM Thread Starter
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You guys are wrong. 10-30 Motorcraft is CJ-4 API certified.


SAE 10W-30 Super Duty Diesel Motor Oil
- Versatile for all-season performance to temperatures as low as 0 degrees Fahrenheit (-18 degrees Celsius)
- Meets API Performance Category CJ-4/SM
- Low ash formulation designed for conventional and turbocharged diesel engines using ultralow sulfur diesel fuel
- Minimizes foaming
- Fights sludge, varnish, rust, corrosion and wear
- Recommended for use in 7.3L/6.0L/6.4L Power Stroke® diesel engines

MOTORCRAFT® OILS AND LUBRICANTS FOR FORD, LINCOLN OR MERCURY VEHICLES.

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post #6 of 15 Old 03-14-2008, 01:48 PM
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Wow i didn't even know they had it. I figured you we taqlking about reular api 10-30. Give it a shot
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post #7 of 15 Old 03-14-2008, 03:12 PM
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IMHO-- you're taking a serious chance running 10W30 in Florida considering the shear down characteristics of a 6.0 engine. At MINIMUM you should run 5W or 15W40. It's your $10K+ engine. Let us know how it works out.

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post #8 of 15 Old 03-14-2008, 04:50 PM
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How does the 5W30 run in any of the PSDs? That 30 hot weight sounds scary, even though it is only 10 less than 40.
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post #9 of 15 Old 03-14-2008, 05:39 PM Thread Starter
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well the funny thing is, in the owner's manual they recomend 10-30 OVER the 5w-40... go figure.

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post #10 of 15 Old 03-14-2008, 05:46 PM
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That's because Ford didn't have their own 5W-40 to sell when that manual was printed!
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