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Ok. Never mind my sentiments towards Amsoil. Not gonna use it, people are happy with it, probably isn't the reason for my engine breaking down. Fine. I've done a lot of homework, listened to a lot of opinions, so it boils down to these 3. I like the fact that Rotella will probably be the easiest to get, Delo specs fit the bill nicely for the climate we have up here, and Valvoline looks good on paper too, but may be more expensive for nothing, since it won't be used for work at all. All 3 seem to be a top choice of fleet operators. Please share your experiences, good or bad, with these 3. Thanks guys.
I ran Rotella for years in my diesels and never had a problem with it, I quit using it because it stinks so bad. It seems like it stinks more now then it used to, I dont know what they changed. I switched to John Deere Synthetic and really like it. I dont have any experience with the other two, but if you can get past the smell Rotella is a good oil.
The road goes on forever and the party never ends
As for myself I have used Rottela for years and never had any bad luck at all. I am a heavy truck tech and have done inframe rebuilds on Detroits, Cats, and Cummins with over million miles on them that have used Rottela since they were new and the bearings, cylinder sleeves, etc....have had little to no scaring and the oil journals have been gunk free. Keep in mind that those were owner operators trucks that TAKE CARE of trucks the right way. I have also seen engines go with under 500,000 cause they were not taken care of I have used Valvoline products in all my gassers over the years and like there products. But the C rating are backwards compatible and most of the oil on the market keep up with engine requirments. So that should not be a concern, just look at the spec on the bottle and that will tell what rating it is.
Delo or Rotella either one is good, I don't have any experience with Valvoline except 20 years ago. I hear it's a perfectly fine oil also though
2007 5.9, 6speed, Quad Cab 4X4, Amsoil bypass system, Edelbrock Exhaust, Val Air dual disc, Dyna Trac free spin hub conversion, Dyna Trac ball joints, and more to come when the money gods allow
2500Calgary, thanks for starting this thread. I've always ran rotella 15w-40 in all my diesels and had very good luck with it. The only downside I've found is the smell.
With all the hoopla about CI vs CJ lately I've gotten a little nervous (and been a little tired of the rotella smell) so I picked up some Valvoline Premium Blue 15w-40 for my next oil change. The valvoline that I bought is still CJ oil but the cummins endorsement is what sold me. I may go with synthetic after the truck is broke in but for now it's dino oil.
My question and reason for subscribing is: Is the Valvoline better or at least equal to the other CJ options ?
2006 3500 SRW MC g56 4x4 Laramie / Isspros (FP, EGT, Boost) / GDP MK-2 micron fuel filter / severely allergic to cat & EPA / Smarty Jr 5.08 SW2 Tm4 Tq2 POD45
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