Engine oil 4..2 l s/c, need suggestions
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#5
"recommended by Jaguar." I don't care what you say, because your main point in this forum is come into every threat regarding oil, coolant, air filter to read Jaguar manual ss a some kind of bible. 10W-60 is great oil for summer use in high tune supercharged engine when you push hard - track, drag race, 200miles autobahn driving at 130mph+ and it also works great in normal use. Liqui Moly 10-60 oil, Evans waterless coolant and RVS Technology engine products are all great stuff.
Last edited by XJR-99; 12-07-2015 at 02:35 PM.
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#6
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How is it better than the recommended viscositys for summer driving?
#7
-30C is basic thing here. -52C official record and -57C somewhere outside weather stations. I do not recommend 10-60W as cold start in -30C. It worked well in my 520hp+ old, small Jag engine. Most probably I will put it into my bigger, much more powerful new engine. Cheers.
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Lubricating oil technology does change over time. Keep a car long enough and the manufacturer recommended grades won't even exist.
My Alvis recommended two different monogrades for summer and winter because VI improvers hadn't been invented
They recommended oil changes every 3000 miles (or 1500 under harsh conditions!) because detergents and dispersants hadn't been invented.
They required the sump to be dropped and the internal mesh oil filter removed and cleaned in paraffin because disposable oil filters hadn't been invented.
Might it be more useful to post what grade of oil is now recommended by JLR for the latest iteration of this engine?
My Alvis recommended two different monogrades for summer and winter because VI improvers hadn't been invented
They recommended oil changes every 3000 miles (or 1500 under harsh conditions!) because detergents and dispersants hadn't been invented.
They required the sump to be dropped and the internal mesh oil filter removed and cleaned in paraffin because disposable oil filters hadn't been invented.
Might it be more useful to post what grade of oil is now recommended by JLR for the latest iteration of this engine?
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Louenigma,
I also use Castrol Edge 5W-30 in our '04 XJR, per Jaguar's recommendations. Our Walmart often prices 5 quart jugs at around USD $23.00.
Obviously, the temps you have to deal with in a Canadian winter would suggest you should consider 0W-30 or 0W-40 weight oil, and any good quality oil from any of the major brands will be fine. I personally would steer clear of off-brand convenience store oil as there have been reports of some of those failing to conform to the grades printed on their labels.
Mikey is correct that Jaguar did not begin specifying synthetic oil until after our cars were made, but since one of the purported advantages of synthetic oils is better flowability in cold temperatures compared to conventional oils, that may be something you want to research before making your final decision (that is, if you can find data from a source you trust to have no stake in the debate).
Cheers,
Don
I also use Castrol Edge 5W-30 in our '04 XJR, per Jaguar's recommendations. Our Walmart often prices 5 quart jugs at around USD $23.00.
Obviously, the temps you have to deal with in a Canadian winter would suggest you should consider 0W-30 or 0W-40 weight oil, and any good quality oil from any of the major brands will be fine. I personally would steer clear of off-brand convenience store oil as there have been reports of some of those failing to conform to the grades printed on their labels.
Mikey is correct that Jaguar did not begin specifying synthetic oil until after our cars were made, but since one of the purported advantages of synthetic oils is better flowability in cold temperatures compared to conventional oils, that may be something you want to research before making your final decision (that is, if you can find data from a source you trust to have no stake in the debate).
Cheers,
Don
Last edited by Don B; 12-09-2015 at 11:18 AM.
#16
I use a 10W50 pao synthetic in my XJ8
Its very hot over does not get under 10 Celsius in winter at 3 am in the morning
I have been over at my mechanics last couple weeks doing some stuff to my other cars and noticed how many late model cars he has had this year with stuffed motors and low k,s all brands as well seems they all have run out of oil at some time or the oil has sludged up the engine
We have both come to the conclusion that the thin oils are not suited to this climate unless you check them weekly and change them early something a lot of people do not seem to do
For all my round town cars I use diesel oil bought a fair amount of 15W40 Amsoil enough to last me a decade I think! at a fantastic price so that looks like its going to go in the XJ8 and everything else as well
Whatever the dealer used in the car originally rattled for a second on start up does not now but
I also don’t drive the XJ round town only 100 plus K journeys minimum and plenty highway use
I think you need to do your homework about climate usage change intervals and so forth to get a idea of what oil to use
Its very hot over does not get under 10 Celsius in winter at 3 am in the morning
I have been over at my mechanics last couple weeks doing some stuff to my other cars and noticed how many late model cars he has had this year with stuffed motors and low k,s all brands as well seems they all have run out of oil at some time or the oil has sludged up the engine
We have both come to the conclusion that the thin oils are not suited to this climate unless you check them weekly and change them early something a lot of people do not seem to do
For all my round town cars I use diesel oil bought a fair amount of 15W40 Amsoil enough to last me a decade I think! at a fantastic price so that looks like its going to go in the XJ8 and everything else as well
Whatever the dealer used in the car originally rattled for a second on start up does not now but
I also don’t drive the XJ round town only 100 plus K journeys minimum and plenty highway use
I think you need to do your homework about climate usage change intervals and so forth to get a idea of what oil to use
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Mikey is correct that Jaguar did not begin specifying synthetic oil until after our cars were made, but since one of the purported advantages of synthetic oils is better flowability in cold temperatures compared to conventional oils, that may be something you want to research before making your final decision (that is, if you can find data from a source you trust to have no stake in the debate).
Given that many owners change oil at more frequent interval than recommended by Jag for conventional oils, the sole advantage of synthetics disappears with it.
Last edited by Don B; 12-09-2015 at 11:18 AM.
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