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Low SAPS oil for a diesel engine without a DPF? #4675864
02/23/18 08:04 PM
02/23/18 08:04 PM
Joined: Feb 2018
Posts: 5
Australia
Philsmith Offline OP
Philsmith  Offline OP
Joined: Feb 2018
Posts: 5
Australia
Hi all,

I have just purchased a Mazda 6 wagon with a 2.0 l turbo diesel (MZR-CD). The previous owner had trouble with the diesel particulate filter and ended up having it removed and the software amended accordingly. So as I see it there is no need for the low ash oil, ash being a problem with DPFs. The reccommended oil to meet the Japanese standard (JASO DL-1) is quite expensive, about $90 for 5 litres. My question for all you gurus is whether I might use a different oil providing equivalent lubrication properties that does not meet the low SAPS standard?

Cheers

Re: Low SAPS oil for a diesel engine without a DPF? [Re: Philsmith] #4675987
02/23/18 10:12 PM
02/23/18 10:12 PM
Joined: Dec 2016
Posts: 7,512
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,512
Waco, TX
Cheers, mate

Originally Posted By: Philsmith
My question for all you gurus is whether I might use a different oil providing equivalent lubrication properties that does not meet the low SAPS standard?


Low- SAPS = lots of goodness removed.

Buy & use any good priced oil that is rated for use in diesel engines.


"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: Low SAPS oil for a diesel engine without a DPF? [Re: Linctex] #4676046
02/24/18 12:10 AM
02/24/18 12:10 AM
Joined: Feb 2018
Posts: 5
Australia
Philsmith Offline OP
Philsmith  Offline OP
Joined: Feb 2018
Posts: 5
Australia
Thanks v muchly.

Re: Low SAPS oil for a diesel engine without a DPF? [Re: Philsmith] #4676092
02/24/18 04:38 AM
02/24/18 04:38 AM
Joined: Jun 2012
Posts: 1,173
Australia
supercity Offline
supercity  Offline
Joined: Jun 2012
Posts: 1,173
Australia
DL-1 is roughly equivalent to ACEA C1. A higher Saps oil is C2 or A5/B5 but you could use A3/B4 or C3 too, I cant see it will make much difference.

Re: Low SAPS oil for a diesel engine without a DPF? [Re: Philsmith] #4676093
02/24/18 04:38 AM
02/24/18 04:38 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
Manchester, England
A3/B4 or E4 is the spec to look for if you don't burn oil, or if you do burn oil but have no CAT/DPF/TWC. (high saps for best protection)

If you burn oil AND have DPF/CAT/TWC then look for C1 (lowest saps available)

Last edited by Olas; 02/24/18 04:40 AM.

Cable ties should hold it
Re: Low SAPS oil for a diesel engine without a DPF? [Re: supercity] #4676113
02/24/18 06:11 AM
02/24/18 06:11 AM
Joined: Feb 2018
Posts: 5
Australia
Philsmith Offline OP
Philsmith  Offline OP
Joined: Feb 2018
Posts: 5
Australia
Thanks supercity

Re: Low SAPS oil for a diesel engine without a DPF? [Re: Olas] #4676114
02/24/18 06:11 AM
02/24/18 06:11 AM
Joined: Feb 2018
Posts: 5
Australia
Philsmith Offline OP
Philsmith  Offline OP
Joined: Feb 2018
Posts: 5
Australia
Thanks olas

Re: Low SAPS oil for a diesel engine without a DPF? [Re: Philsmith] #4677199
02/25/18 03:18 AM
02/25/18 03:18 AM
Joined: Jun 2014
Posts: 1,755
Rijeka, EU
chrisri Offline
chrisri  Offline
Joined: Jun 2014
Posts: 1,755
Rijeka, EU
Mazdas in EU use C2 or C3 oils. I would use C3 for greater HT-HS. Valvoline Synpower MST 5w40 comes to my mind, but there's other candidates. Alternatively, an A3/B4 lubricant- if DPF is deleted, (as Shell Helix Ultra 5w40, or similar) can be used depending on the price.


02 Nissan Terrano 2.7.TDi Motul 15w40
06 FIAT Stilo MW 1.9 Multijet SHU 5w40
07 Opel Vectra SW 1.9 CDTI 150 MST 5w40
Re: Low SAPS oil for a diesel engine without a DPF? [Re: chrisri] #4678345
02/26/18 04:41 AM
02/26/18 04:41 AM
Joined: Feb 2018
Posts: 5
Australia
Philsmith Offline OP
Philsmith  Offline OP
Joined: Feb 2018
Posts: 5
Australia
Yhanks chrisiri

Re: Low SAPS oil for a diesel engine without a DPF? [Re: Philsmith] #4697822
03/17/18 05:14 PM
03/17/18 05:14 PM
Joined: Dec 2017
Posts: 451
Finland
Bjornviken Offline
Bjornviken  Offline
Joined: Dec 2017
Posts: 451
Finland
There is Shell helix ultra 0w-30 c2/c3 oil that is really good

Re: Low SAPS oil for a diesel engine without a DPF? [Re: Philsmith] #4709126
03/28/18 12:33 AM
03/28/18 12:33 AM
Joined: Jul 2016
Posts: 207
Albury, NSW
JFAllen Offline
JFAllen  Offline
Joined: Jul 2016
Posts: 207
Albury, NSW
While not required. Low and Mid SAPS oils have advantages in reducing inlet deposits in all vehicles that have EGR/PCV systems. Hot sooty exhaust gases + warm moist crank case gases = sludge in the inlet. Especially on DI (both petrol and diesel.)

these premium oils also tend to have better NOACK characteristics which also limit oil flash off.

I use SHU ECT C2/C3 0W30 or SHU ECT C3 5W30 in my Saab 9-5 turbo; and while I'm sure any other mid saps modern synthetic would have had a similar result. The fuel economy and reduction in oil consumption has been very noticeable. Not to mention the incredibly smooth running.

Regards
Jordan


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