Well i know that SAE 20W-50 is used in high performance engines,and Harley Davidson uses it in their motorcycles. Far as specific engines ,not sure.
The make CAMAL is new to me but it will use standard clearances as any other diesel engine to be reliable. The viscosity you name (20W--50) would cover most operating conditions where the ambient temperature ranges from 15 degrees C to 80 degrees c. Diesels have to operate with at least 80% load or they tend to glaze up the bores and blow smoke. The oil you name is a single grade oil and should prevent this problem but multi-grade oils will do the same if kept fully loaded . The brand name will be irrelevent as the viscosity is what counts.
SOURCE: using different weight oil then mfg. suggest
The oil you are now using is completely fine with that type of engine.
Changing grades of oil will not help you here.
You need to check the PCV valve, and the MAF sensor.
Really you need to get this vehicle onto a diagnostic computer to get an idea what is wrong.
SOURCE: type of engine oil
No .. the SE and SF grades are obsolete .. The use of 5W verses 10W is that the 5W is lighter viscosity oil
SOURCE: Recommended Engine Oil
You can keep using that oil with no problems. Most people don't really understand what the numbers on the bottle actually mean. There is a really long definition but here is the short version: The first number represents the pour point of the oil at freezing (@32 degrees F).
The second number represents the protection offered, compared to a "straight weight" oil eg: 30, 40, 50, at 212F degrees. Therefore, at freezing, your oil will pour (or flow) like a 20 weight oil, and give wear protection of a 50 weight oil at 212 degrees.
The quality of any oil is based upon the chemical makeup of the base oil, some have a high parafin content and are prone fo sludge formation, while better ones do not and tend to last longer. The ability to "change weights" with temperature is controlled by an additive "package" which is part of the product formula, as are other features such as anti foaming and the ability to keep particles in suspension.
If you stay with better oils such as Castrol, Quaker State, Valvoline etc. You will have no problems. (especially because in your area you don't go from sub zero to 100's).
Don't forget to add a quality filter to your oil changes. This is as important as your oil!!!
Good luck with your car!!!
SOURCE: 2010 Vibe Type & Quanity of Eng Oil
The 5-30W gives the oil a better heat range, so when you go to Florida, the engine oil keeps it's viscosity better.
The 5-W20 has a lower heat range and is great in the upper states and canada where the temperature is not as hot as Florida or Texas.
The 0-W20 is even better if your in the colder climate like Alaska so the oil is not that thick, and when you have the start the engine first thing in the morning, the oil can move quicker to the upper part of the engine.
Best thing is no matter what oil you use, just as long as you follow the recommended oil change duration. Your going to be fine and have a long lasting engine and also make sure you warm up the engine first before running it hard to have the piston and cylinder walls expand the same time. As you run the engine hard when it's cold, the pistons expand quicker then the cylinder walls and after a few years. The pistons and cylinder walls will have to much play and you get piston slaps till the engine warms up.
Good luck and hope this helps and the 5-W30 is more forgiving if you go over a few miles between oil changes.
SOURCE: What type of engine oil is used for a diesel
go to any auto parts store, like an auto zone and tell them what you are driving. They have a data base which will guarantee that you get the exact oil that you need.
I use Mobil Delvac 1 ESP 5W-40 , a fully synthetic supreme performance heavy duty diesel engine oil that helps extend engine life while providing long drain capability and potential fuel economy for modern diesel engines operating in severe applications. Mobil Delvac 1 ESP utilizes state-of-the-art technology to deliver exceptional performance in modern low emission engines, including those with Exhaust Gas Recirculation (EGR) and Aftertreatment systems with Diesel Particulate Filters (DPF’s) and Diesel Oxidation Catalysts (DOC’s). Therefore we believe it will be a good oil for the high mileage vehicles with the proper care for your vehicles as recommended by your manufacturers' guidelines.
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