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Valvoline Heavy Duty Diesel 15W40 #4569082
11/09/17 05:42 PM
11/09/17 05:42 PM
Joined: Apr 2014
Posts: 154
FL USA
doolah02 Offline OP
doolah02  Offline OP
Joined: Apr 2014
Posts: 154
FL USA
Would Valvoline Heavy Duty Diesel 15W40 be ok for OPE or Rotella 15W40?

Re: Valvoline Heavy Duty Diesel 15W40 [Re: doolah02] #4569102
11/09/17 06:19 PM
11/09/17 06:19 PM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: doolah02
Would Valvoline Heavy Duty Diesel 15W40 be ok for OPE or Rotella 15W40?


I have had excellent success with ALL 15W-40... even the inexpensive stuff (You can get TWO gallon jugs at Atwoods Ranch for only $12!)

Even the old 15W-40 that was CC/CD (1980's) has done well in OPE.

OPE has a VERY low power to displacement ratio - Any oil the meets API spec is fine.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Valvoline Heavy Duty Diesel 15W40 [Re: doolah02] #4569152
11/09/17 07:23 PM
11/09/17 07:23 PM
Joined: Jan 2008
Posts: 382
WV
bchannell Offline
bchannell  Offline
Joined: Jan 2008
Posts: 382
WV
I use VPB 15w40 in my OPE, works well.

Re: Valvoline Heavy Duty Diesel 15W40 [Re: doolah02] #4624484
01/05/18 05:58 AM
01/05/18 05:58 AM
Joined: Jan 2012
Posts: 84
dania bch, fl USA
rokwldr Offline
rokwldr  Offline
Joined: Jan 2012
Posts: 84
dania bch, fl USA
I use NAPA Universal Fleet 15-40. It is made by Valvoline.I use it in my Honda 20 HP V-twin, Never a problem. Last time I used it was for 5 days after Irma, and it was in the 90's here in S Florida.

Re: Valvoline Heavy Duty Diesel 15W40 [Re: doolah02] #4627693
01/08/18 03:25 AM
01/08/18 03:25 AM
Joined: Dec 2006
Posts: 969
Sweden
lars11 Offline
lars11  Offline
Joined: Dec 2006
Posts: 969
Sweden
could be ideal, unless in cold conditions. I doubt that the sae30 recommendations are sooo cloes tolerance that the 40 is waay off. never noticed anyways. What I do know however is that those HDEO is, well; Heavy duty, compared to the cheapest 10-30s, the 15w40 are really well made.
Having said that, I rund 0w30 in the outside stored snow blower, and any oil between 0w30 and 15w40 in summer use ope


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