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what engine oil does everyone use

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Old 11-09-2009, 12:24 PM
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Default what engine oil does everyone use
just did my first oil change on my new to me 05 CTD 5.9 24v. The only synthetic other then expensive amsoil was 15w50. Is this ok to run?? I know 15w40 is the best to run, has anyone used 15w50 before??
 
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Old 11-10-2009, 09:12 AM
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nobody runs oil in their truck on here??? haha
 
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Old 11-10-2009, 05:22 PM
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the expensive amsoil is worth the money esp in the north....if you tow i would run the amsoil 15w-40 (amsoil) if you dont tow real heavy as in a major 5th wheel i would run the 5w-30 amsoil ......
 
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Old 11-10-2009, 07:31 PM
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I use Shell 15 40. Have a 96 12v with 460,000 miles.
 
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Old 11-11-2009, 12:48 AM
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Only the best for my Dodge. Amsoil 15-40 year round, along with a FS2500.
 
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Old 11-11-2009, 03:03 PM
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hey buckskin how do you like that FS2500? amsoil also sells somethin similar..
 
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Old 11-11-2009, 03:55 PM
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I used to run Amsoil, and it's damn good stuff, but with shipping on top of the price, it was just too expensive. I now run Shell synthetic 15/40. I seem to have gained a little oil pressure.
 
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Old 11-11-2009, 07:38 PM
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Originally Posted by stewtina
hey buckskin how do you like that FS2500? amsoil also sells somethin similar..
I really like it. It takes less room than the Amsoil set up thats why I went with it. Easy clean install.
 
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Old 11-16-2009, 07:04 PM
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Default Use Rotella
Use rotella synthetic diesel. Price is not bad from Walmart and I saw a mileage increase after changing to it.
 
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Old 11-17-2009, 08:11 AM
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Valvoline 15w40. Its recommended for cummins. And Mobil1 filter cause its easier to remove/install then fleetguard.
 
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