Pedros
Member Since: 25 Jun 2011
Location: Cumbria
Posts: 454
  
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Another vote for Millers.
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 19th Feb 2023 11:03 pm |
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PAIO
Member Since: 12 Apr 2016
Location: BELLUNO
Posts: 107
 
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Hi From Royal Purple question answer
For this Land Rover Discovery 4 188 kw Sdv 188kw diesel engine we would recommend using our Royal Purple HPS 5W-30 (part #31530, quart bottle) once strict OEM warranty compliance is no longer a concern. If strict OEM warranty compliance is still a serious concern you would be best served using a 5W-30 diesel motor oil that list the ACEA C1 and Ford WSS-M2C934-B specification on the bottle. We do not offer a 5W-30 motor oil that carries the ACEA C1 or Ford WSS-M2C934-B specification.
https://www.royalpurple.com/product/hps-hi...motor-oil/
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| 20th Feb 2023 3:30 pm |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12711
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That's a poor answer. The C1 stuff is designed not to clog your DPF ... in/out of warranty is irrelevant. .
Dean
====================================
2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer  ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms
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| 20th Feb 2023 4:11 pm |
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popsdosh
Member Since: 09 Nov 2009
Location: cambs
Posts: 442
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kirkyworld wrote:Even engines filled with the correct spec Castrol form new snap cranks so buy the best oil you can afford of the correct spec and change it more often than LR require.
Snapped cranks have nothing to do with the engine oil or frequency of changes 😉
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| 22nd Feb 2023 7:27 am |
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PAIO
Member Since: 12 Apr 2016
Location: BELLUNO
Posts: 107
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Hi so you think that one oil is worth the other?
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| 22nd Feb 2023 8:53 pm |
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Murtovaara
Member Since: 09 Jun 2021
Location: Sumiainen
Posts: 43
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It seem that C1 is today "obsolete", check here:
https://www.acea.auto/files/2021-ACEA-oil-...1-2022.pdf
Here is the 2016 ACEA file where C1 is still present:
https://www.acea.auto/files/ACEA_European_...update.pdf
My personal translation of these is that it's either C3 or C4 oil, as they have the higher
HTHS Viscosity: C1 2,9 mPa.s, C3 and C4 3,5 mPa.s
I'm not getting in the discussion 5W30 or 5W40, that's everybody's own decision, but this
now explain why it was so difficult to find C1 spec oil.
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| 15th Mar 2023 1:57 pm |
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