Offshoreonly.com - Oil for Duramax

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PatriYacht

07-27-2009 03:52 PM

Oil for Duramax

What do you use for oil in a Duramax? Last time I used a truck synthetic, Rotella, I think. Is Mobil 1 15-50 good for these?

poiuy10

07-27-2009 04:21 PM

Shell Rotella 15/40, change every 7500 miles.

DiamondPerformance

07-27-2009 04:22 PM

Amsoil Synthetic 5W-40 Diesel Oil or 15W-40 Diesel Oil

http://www.amsoil.com/redirect.cgi?z...551&page=store

Jupiter Sunsation

07-27-2009 05:08 PM

Quote:

Originally Posted by poiuy10 (Post 2919160)

Shell Rotella 15/40, change every 7500 miles.

My 6 year old one has had this maintenance since new and no problems so far, 140K miles.

brian41

07-27-2009 05:15 PM

All my customers get Rotella T

stainless

07-27-2009 05:27 PM

Amsoil !

07DominatorSS

07-27-2009 05:47 PM

AMSOIL! I change mine every 20-25K.

hp500efi

07-28-2009 05:54 AM

AMSOIL -- change every 10K

ezstriper

07-28-2009 06:19 AM

I have run rotella for 2 years now

OutlawMark

07-28-2009 10:32 AM

amsoil change once a year or 15k miles

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