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Thread: food for thought - 5W-30 vis 5W-40 engine oil

  1. 18th April 2022, 08:17 AM #1
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    food for thought - 5W-30 vis 5W-40 engine oil

    just watched the LR Time latest video on engine oil where Christian suggests using 5W-40 oil instead of the 5W-30.

    I had been using Castrol Magnatec Professional A5 5W-30 ACEA A5/B5, A1/B1 however as LR time points out this A5 oil not not quite the spec LR designed the engine to being the A3/B3 spec.

    Now I know very little (nothing) of oils and only stating what I watched.

    I did a check of the Castrol website it is points you to the oil in the LR time video, a magnatec 5W-30 A5

    Interestingly when I checked the Penrite website oil finder it stated HPR Diesel 5 5W-40 (Semi Syn) & "...     and where ACEA A3/B3 ... is recommended"

    Anyone else using this Penrite oil?

    Yup my engine is making exactly the same tick tick noise as Vera's. I'm inclined to do a oil & filter change and use the Penrite even though I did my last change only a month ago.

    Thoughts?
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  2. 18th April 2022, 09:57 AM #2
    BradC
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    Quote Originally Posted by PeterOZ View Post
    Thoughts?
    Only that this has been done to death many times with no resolution. Personally I'm running Penrite 5w-40 Enviro+ Full syn because I can buy it everywhere reliably, it's DPF safe and every independent mechanic I've asked has said they use an Xw-40. I'm due another 20L drum, so now I no longer have the DPF it'll be a toss up between that and the HPR5 depending on which has the best sale price.
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  3. 18th April 2022, 10:09 AM #3
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    Quote Originally Posted by BradC View Post
    Only that this has been done to death many times with no resolution. Personally I'm running Penrite 5w-40 Enviro+ Full syn because I can buy it everywhere reliably, it's DPF safe and every independent mechanic I've asked has said they use an Xw-40. I'm due another 20L drum, so now I no longer have the DPF it'll be a toss up between that and the HPR5 depending on which has the best sale price.
    The HPR 5 is what I am thinking for mine as obviously mine does not have a DPF.
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  4. 18th April 2022, 10:27 AM #4
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    Quote Originally Posted by PeterOZ View Post
    The HPR 5 is what I am thinking for mine as obviously mine does not have a DPF.
    I'd pick the HPR 5 full syn rather than the Diesel version, but there's no fact or logic underlying that decision other than an unqualified "full syn" > "semi syn".
    Same as I could have used the Diesel Enviro+ semi-syn variant when it had a DPF.
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  5. 18th April 2022, 10:51 AM #5
    DiscoJeffster
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    food for thought - 5W-30 vis 5W-40 engine oil

    I’ve been running this for a long time now, changed every 10,000km

    2010 TDV6 3.0L Discovery 4 HSE
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  6. 18th April 2022, 11:43 AM #6
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    another hpr5 5w-40 penrite user in my 2.7tdv6
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  7. 18th April 2022, 11:44 AM #7
    RichardK
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    I am the same as BradC and have been using that for some years, recommended by my Indie.
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  8. 18th April 2022, 12:51 PM #8
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    I'm running the Castrol A5 in my 2013 3.0L it was the recommended one on the Castrol site but I just checked and it is now...

    CASTROL EDGE 0W-30 C2BEST
    Castrol EDGE 0W-30 C2 is an advanced full synthetic engine oil suitable for use in automotive petrol and diesel engines where the manufacturer recomends an ACEA C2 0W-30 lubricant.




    LIke the last few words - I haven't seen anywhere LR recommends a 0W-30 but maybe I've missed it.

    Might move to the Penrite 5W-40 then I can have one oil across the D2 and Navara as well.
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  9. 18th April 2022, 01:24 PM #9
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    Quote Originally Posted by DiscoJeffster View Post
    I’ve been running this for a long time now, changed every 10,000km

    Switched to HPR when SCA said they weren’t getting the Castrol A5 anymore.
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  10. 18th April 2022, 01:35 PM #10
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    So what is wrong with the specified grade of oil - LR specified it for a reason or is it that because you see something on social media it must be true.
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