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Diesel fuel question #4594394
12/04/17 08:12 PM
12/04/17 08:12 PM
Joined: Apr 2014
Posts: 611
WV
loneryder Offline OP
loneryder  Offline OP
Joined: Apr 2014
Posts: 611
WV
Anybody heard of or know anything about Ecco+ diesel? A local Shell station has this on their pump. Min Cetane 42. All other diesel around here is 40 cetane. I asked the cashier what it means and he didn't know but said it was not bio diesel.

Re: Diesel fuel question [Re: loneryder] #4594414
12/04/17 08:28 PM
12/04/17 08:28 PM
Joined: Nov 2009
Posts: 5,123
Houston, Texas
motor_oil_madman Offline
motor_oil_madman  Offline
Joined: Nov 2009
Posts: 5,123
Houston, Texas
cetane is like octane in a gas engine.


2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.

Re: Diesel fuel question [Re: loneryder] #4594454
12/04/17 09:11 PM
12/04/17 09:11 PM
Joined: May 2015
Posts: 669
California
SavagePatch Offline
SavagePatch  Offline
Joined: May 2015
Posts: 669
California
Hmm...

Could it be Shell's Diesel Fit? I thought that it was only being offered (tested) in Seattle at the moment.


Re: Diesel fuel question [Re: loneryder] #4594455
12/04/17 09:14 PM
12/04/17 09:14 PM
Joined: May 2015
Posts: 669
California
SavagePatch Offline
SavagePatch  Offline
Joined: May 2015
Posts: 669
California
Originally Posted By: loneryder
Min Cetane 42. All other diesel around here is 40 cetane.


National minimum cetane is 40. California minimum cetane is 52. Just FYI.

Re: Diesel fuel question [Re: loneryder] #4594703
12/05/17 07:46 AM
12/05/17 07:46 AM
Joined: Mar 2004
Posts: 21,105
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,105
Upstate NY
If diesel fuel cetane is 50 rather than the minimum of 40 does that help the engine run better. Can the engine take advantage of it?

I can see injector cleaning additives possibly helping, but I am asking specifically about cetane.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Diesel fuel question [Re: loneryder] #4594718
12/05/17 08:08 AM
12/05/17 08:08 AM
Joined: Aug 2008
Posts: 21,228
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 21,228
ON, Canada eh?
Fuels with lower Cetane number have longer ignition delays, providing more time for the fuel combustion process to be completed. Hence, higher speed diesel engines operate more effectively with higher Cetane number fuels.

So there may be an advantage of higher Cetane rated diesel fuel when it comes to air pollution because of faster more complete combustion. Or at least in theory.

Last edited by StevieC; 12/05/17 08:16 AM.

'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Diesel fuel question [Re: motor_oil_madman] #4594720
12/05/17 08:12 AM
12/05/17 08:12 AM
Joined: May 2008
Posts: 2,090
SoCal
UG_Passat Offline
UG_Passat  Offline
Joined: May 2008
Posts: 2,090
SoCal
Originally Posted By: motor_oil_madman
cetane is like octane in a gas engine.


not really, octane in gas is resistance to knock

cetane, you want it to have better properties to ignite under compression.

Higher cetane is better until a certain point of diminishing returns.

Shell has SunDiesel which is biomass-to-liquid fuel, which is approved by the diesel manufacturers in Europe, as it does not gum up critical diesel injection components, like a traditional FAME biodisel

Last edited by UG_Passat; 12/05/17 08:17 AM.

2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30
Re: Diesel fuel question [Re: SavagePatch] #4595304
12/05/17 06:01 PM
12/05/17 06:01 PM
Joined: Apr 2014
Posts: 611
WV
loneryder Offline OP
loneryder  Offline OP
Joined: Apr 2014
Posts: 611
WV
The pump is green but does not say Shell on it. It caught my eye because it is higher cetane. Everything I see in the east is 40.

Re: Diesel fuel question [Re: loneryder] #4595349
12/05/17 06:45 PM
12/05/17 06:45 PM
Joined: Mar 2004
Posts: 21,105
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 21,105
Upstate NY
I have seen diesel pumps at Exxon stations with a label saying it's not Exxon brand diesel.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)

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