... if only because I hadn't previously known about C4 and C5 oils.
Important bit wrote:
LOW-SAPS VS. MID-SAPS LUBRICANTS
C1 and C4 are considered to be low-SAPS oils, while C2, C3, and C5 are mid-SAPS oils.
Mid-SAPS oils have a reduced level of ash content. Therefore, they are better than conventional engine lubricants and are after-treatment system-friendly. Low-SAPS oils have a lower level of ash content than mid-SAPS oils and are designed to meet sensitive after-treatment devices.
19th Dec 2023 4:47 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13657
Re: Which oil for next oil change
PROFSR G wrote:
MancoGX390 wrote:
I've for a 2009 D3 with the original 2.7 tdv6 to the car. It's on 135k miles
Should I stay 5w-40 or? Best ZDDP and HTHS oil for the discos etc?
I hold, that after 100k miles (160k kms) to change to 5w/40 and have done for all my D3 (EU3 &4)
customers for many years now without issue. I also run my own two D3's on 5w/40.
Hi mate, hope ur good
Later this year I also intend to go over to 5/40 , for my EU3 2005 , will stay with millers as always been happy with that
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