Penrite Engine Oil Full Synthetic HPR 10W50 10L $54.35 (Was $108.70) @ Supercheap Auto

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chyawala on 21/12/2018 - 15:31 supercheapauto.com.au (478 clicks)
Last edited 21/12/2018 - 15:35 by 1 other user

Excellent full synthetic motor oil with added zinc for extra protection against engine wear. Solid deal for 10 litres. Probably most suited to high km and older vehicles. Also suitable where 10W40 is used.

Limit two per customer. Sale End Date 23/12/18
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"It is recommended for use in vehicles where SAE 10W-40 or SAE 10W-50 engine oils were originally recommended by the manufacturer.
It can be used where ACEA A3/B3 or ACEA A3/B4 is recommended in model years prior to 2017 and also where API SN and previous API specifications SM, SL, SJ or earlier specifications are recommended. It is suitable for use in many Diesel and LPG powered vehicles requiring an engine oil meeting API CF or older specifications. It is not recommended for use in diesel vehicles fitted with a DPF. "

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• 

  stumo on 21/12/2018 - 15:44

  +2

  Its good oil. Ive been using it in my Sprinter van. Its supposed to take MB 229.5 approved oil like Penrite HPR5 5W-40. But after 430k the oil pressure runs just that bit higher using the HPR10. (Hot idle oil pressure was dipping below 10psi on 5W40, on HPR10 it stays just above 10psi).

  The HPR10 isnt officially 229.5 approved like the HPR5 is, but thats presumably because there is no 10W50 viscosity in the MB229.5 spec, not because HPR10 is any lesser of an oil than HPR5.

  • 

    MasterScythe on 21/12/2018 - 16:36

    +1

    Even that pressure sounds pretty damn low even at idle. Target on almost all engine's I've built has been 15psi absolute minimum.
    Though I guess, how much higher can you go than a 50 weight, without ending up in 'oldschool mineral' territory.

    I'ts great base stock, but the limited additive package (I have the formulation) makes its USUAL price crap.
    At this price? STEAL!

    • 

      stumo on 21/12/2018 - 18:25

      This is a diesel engine, they make up for the lack of pressure by pumping a lot of volume. 15 psi is what this engine hot idles at brand new. This is with oil temps in the 110 deg+ range and idle at 680rpm. Oil temp has a massive impact on oil pressure.

      For reference MB specifies 7psi as the hot idle low limit where a rebuild is advised on this engine (OM612).

      Do you know how this additive package compares to HPR5?

      • 

        MasterScythe on 21/12/2018 - 21:34

        Oh a diesel, yeah that explains it. Lower idle speed too.

        Hpr5 has the far superior additive package, it has more zinc and some boron, where hpr10 just relies ona thicker stock oil.

        That said, oil is a film layer, additives (besides calcium and sulphated ash for cleaning) only matter if the film fails.

        A good base oil thats within change interval shouldnt fail.

        I recently switched to Nulon, because i believe a lot in Moly (mos2 and molyDTC), and since rislone now offer a cheap zinc and phospherous additive, i find it much easier to 'bump the zinc' a little with 1/4 a bottle of additive, than to use the insoluble mos2 in a high zinc oil. (Penrite dont believe in moly at all).

        Just personal preference.

        • 

          stumo on 22/12/2018 - 08:29

          @MasterScythe: Do you think its worth chucking in some ZDDP additive to this then, to make it more like HPR5? Ive got some bottles of ZDDP lying around anyway.

          • 

            MasterScythe on 22/12/2018 - 16:40

            @stumo: Its only about 100ppm away from hpr5 (1050 vs 1150 last i checked), so hey, so long as you stay below the danger point of 1500ppm, you should be fine.

            I usually trust the zinc is fine in penrite and just add moly.

    • 

      nobarginsarehere on 21/12/2018 - 20:02

      What is the best full synth oil? 10w40

      • 

        MasterScythe on 21/12/2018 - 21:29

        Nulon racing (in metal tins)

        Or penrite 10tenths range.

        They're the only real full synth around anymore.
        Anything else is mostly Group3 since mobil? Or was it shell? Whomever… won their case to call group 3 oils 'synthetic' all those years ago.

        That said, nulon racing has Alkylated Napthalene (AN) oil in its mix, so its literally a miracle oil.

  • 

    Bargein on 21/12/2018 - 18:36

    Why this versus the penrite deisel specific oils in the sprinter?
    And where do you get all your engine running details from? Quite curious as I've got a '00 308cdi.

    • 

      stumo on 21/12/2018 - 18:46

      Oils that are on the MB 229.5 list (https://bevo.mercedes-benz.com/bevolisten/229.5_en.html) are the best spec for the T1N sprinter. It is for petrol and Diesel engines. Its the best spec period, but it has too many additives for DPF vehicles - which the T1N is not. So for the T1N sprinter a 229.5 oil is the best. The T1N also allows 229.3 oil but not for long drain intervals.

      228.5 is the Diesel specific. This is specifically for heavy duty Diesel engines. The T1N can use 228.5 as well. 228.5 is technically better than 229.5 in that it can absorb more acids allowing even longer intervals. But 229.5 allows 30k intervals anyway, so really it is a waste of money buying 228.5 over 229.5, and 228.5 is really hard to find and expensive. And it has mostly been succeeded by 228.5x, which are worse oils because they have less additives (they are for DPF vehicles).

      The oil pressure limits are published by MB buried deep in their WIS documentation. I measured my oil pressure and temp using the port on the front of the engine, you can't measure oil pressure on the stock Sprinter. This is a great source of Australian Sprinter info https://sprinter-source.com/forum/forumdisplay.php?f=91