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  • Castrol GTX Diesel 15w40

    Just wondering if anyone has any opinions of this oil. I couldn't resist the price at Costco and picked up a case (20x1L @ CDN$28) a while back.

    After approx 2000kms on it I seem to have more ticks and rattles and nocks coming from the engine area than ever before. Not sure what to think...

    regards,
    Brad
    1989 Toyota Hilux Surf
    1988 VW Syncro Vanagon
    1990 Toyota Liteace "JustLow" Pickup (enroute from Japan)

  • #2
    hmm...that was supposed to be $28 not $2 and a happy face...

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    • #3
      I used it before I put on the Frantz filter, seemed fine. What were you using before? Castrol is supposed to be pretty good quality from what I've heard.
      http://en.wikipedia.org/wiki/Herbert_Akroyd_Stuart

      So, why do we call it a "Diesel" when he didn't invent it?

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      • #4
        Previously I had been using RotellaT 15w40.

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        • #5
          Don't know about their oils, but it seems to be generally agreed that Shell's diesel (and gasoline) are the lowest quality on the market. As I think I said before once, I was told that the Snowbirds always use Shell fuel because it leaves a nice smokey trail in the sky.
          http://en.wikipedia.org/wiki/Herbert_Akroyd_Stuart

          So, why do we call it a "Diesel" when he didn't invent it?

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          • #6
            LOL I'd agree with you that Shell fuels are pretty bad, but Canadian Forces bases have contracts for who hauls the fuel, they dont care where it comes from. The only difference between fuels from different brands is addatives, which is where Shells are junk. I dont think Jet has company branded addatives in it? I may be wrong. I used to haul for Shell with Trimac on Vancouver Island. It all comes down the same pipeline, onto the same bardges so I was always told.

            Just thought I'd share some useless information :nut_kick_

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            • #7
              Thanks!

              There was an independent distributor who had tanks in Nanaimo years back, but the big boys bought him out in the end.

              Do you know who that was?

              I'm told all the gas on the Island comes from one distributor now. No wonder the prices are fixed.

              One more reason to go diesel and veg oil.
              http://en.wikipedia.org/wiki/Herbert_Akroyd_Stuart

              So, why do we call it a "Diesel" when he didn't invent it?

              Comment


              • #8
                Might be before my time. The only guys with tanks in Nanaimo are Petro Can and Esso right downtown by the ferries. Shells out at Bare Point on the water in Chemanius, and Chevrons out at Hatch Point way the hell off and gone by Mill Bay. Theres a couple more plants up in Campbell River, Chevron and Petro Can I think.

                As for any private distribution plants, unless Esso or Petro Can used to be it at one time, I cant say that I've ever heard of it. Payless gas stations used to be a private Island thing years back, and Shell bought them out. But as far as I know they've always used un-branded fuel from Shell to do their stations.

                They have pictures at the Shell plant of their old facility downtown Nanaimo right alone where Petro Can is now I think. Dont know the year, but definatly before I was born, some disgruntalled employee came in and torched the place. Killing himself, and taking out the entire plant, as well as Chevron next door. Thats why Shell and Chevron are now located so far south. Pretty impressive pictures.

                :beer:

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                • #9
                  Yeh, it was Payless I was thinking of.

                  Interesting info!
                  http://en.wikipedia.org/wiki/Herbert_Akroyd_Stuart

                  So, why do we call it a "Diesel" when he didn't invent it?

                  Comment


                  • #10
                    Originally posted by Psilosin
                    Previously I had been using RotellaT 15w40.
                    I have been researching oils a lot and Rotella T is a good one.

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                    • #11
                      the best diesel oil in my experience has been the delo 400.... but it hurts my greener-than-thouness. to have to use petroleum-based oil....so why is there no veg-based motor oil? anyone ever heard of any?

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                      • #12
                        I have used castrol gtx, chevron delo 400, and shell rotella t in gasoline engines (my geo tracker mostly), and I cant really notice a difference between any of them, other than the price. I think most oils are made to a certain standard, and if they are turbo approved, they have to meet a certain standard:). Now in the honda motorcycle, i can really notice a difference between automotive 10w40 and motorcycle specific 10w40. It seems as if the motorcycle specific stuff is thinner than the car stuff, and supposedly wont damage the wet clutch or the transmission.
                        1993 volvo 850, 1979 Ford F-250, 1984 Honda XL200R

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                        • #13
                          Below is a quick link to a basic intro to oil can label decoding. The standards that Urbanwheeler referenced above and are covered in the link are a minimum standard. the additive pack that the oil companies put in the oil can make all the difference in the life of your engine

                          http://www.burkeoil.com/pdf/oilguide.pdf

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                          • #14
                            "Castrol GTX Diesel 15W-40 is registered as a CI-4/SL. This appears to be a group I base oil."

                            An excerpt from the paper on oil selection (link at bottom). It would be on a list of possibles for warm weather if your engine calls for that wt. and you like to change oil frequently.

                            Not many applications for a 15W-40 in Canada, especially a Group I oil.
                            Richard's Corvair

                            Selection of the Right Motor oil for the Corvair

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