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Oil Change Interval on Diesels

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Old 03-19-2011 | 08:59 AM
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Thanks Fixxxer!
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Old 03-20-2011 | 10:19 AM
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What viscosity is best for Diesels, I`ve got a 7.3l bought some 5w40 figured it would be better for starting but it seems 15w40 is more common.
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Old 03-20-2011 | 07:46 PM
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15w40 is the diesel formulation.
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Old 05-01-2011 | 12:57 PM
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Originally Posted by Fixxxer22
No prob, everyone else helps me with boat stuff that i have to learn about. Its a awesome circle and glad to do it. I just hope i don't piss anyone off when i say something then have not been back on the site for a few days or when i am slow to return emails or P.M.s As alot of people know we have some larger accounts here at our shop and just 2 of us here. and when 3 ambualnces break down in one day it can be a long day. then i sometimes do not get a chance to get to the computer.

Verbi... Use the short stick method when checking your oil to monitor growth. instead of burying the stick back into the tube put it back in the tube but when you get to the yellow portion of the stick let the bottom base stop against the top of the tube. that will make it about an inch shorter and its consistent. you will then be able to read that damn dipstick. normal operating will be a little under half. or a good thing to do is check right after an oil change using the short stick method. do not let it get past the max of the operating range. she needs changed by then. the 6.4 can be great when understood and taken care of. they have a hard time getting oil to the top. also, do not be surprised to see a good amount of smoke when going through a re-gen. its all good. dont freak out. should be a grayish smoke.
Havent put much time in my 6.4 and Just noticed the smoke "grayish" friday. My first thought was WTF!!
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Old 05-02-2011 | 01:00 PM
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5-10 depending on towing and what not. I think closer to 10 is better. Closer to 5 and you are wasting your money. I've actually read that changing your oil to often can hurt your engine because your engine is constantly working harder to break in the new oil
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Old 05-02-2011 | 02:15 PM
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2000 7.3L PSD and I change it at 5K religiously. I run a Napa/Wix Gold filter, and my oil is black when I change it.
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Old 05-02-2011 | 02:38 PM
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http://www.nytimes.com/2010/09/11/yo...shortcuts.html

http://www.calrecycle.ca.gov/UsedOil/OilChange/


good links on changing your oil to much
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Old 05-03-2011 | 08:52 PM
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When I was diesel truckin I used Rotella Syn and changed at 7500 miles.
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Old 05-03-2011 | 09:06 PM
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rotella 15-40 cheapest and actually the best stuff for it
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Old 05-03-2011 | 09:19 PM
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Originally Posted by Catmando
When I was diesel truckin I used Rotella Syn and changed at 7500 miles.
Same oil, 5K to 7.5K. Ford 7.3
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