Liqui Moly 2041 Premium 5W-40 Synthetic Motor Oil; 4. Old thread but synthetic Rotella 5w40 all the way. Come join the discussion about PowerStrokes, performance, modifications, troubleshooting, towing capacity, maintenance, and more! On another note, the Duramax runs fine on API approved 15W40 conventional heavy-duty diesel oil. Reason for asking is that I'm due for an oil change and I can get a gallon of Rotella 15w40 for $12.50. Here are some of the benefits of using oil for your Duramax engine. Again I am.guessing that it would stay cleaner longer but in have no idea as I have ZERO experience with the regular vs synthetics in the diesels. Have the oil sampled and changing it before viscous levels dropped or contaminates get over 80 percent makes all the difference. Liqui Moly 2041 Premium 5W-40 Synthetic Motor Oil; 4. The cold mornings (low 30s) made the starts rather rough. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. I also upgraded to a larger Donaldson filter. I really depends upon where you live. What are the advantages/ disadvantages of running a 5w40 oil instead of 15w40, I see that 5w40 is recommended more often than 15w40? Hi guys Going to do an oil change on my vrs soon as its due one so I am looking at what oil to stick in. Pick a good oil you trust and use good filters. Improved Wear Performance. To be determined by UOA. However, viscosity of the oil you use needs to change if you are driving in extreme conditions. I see that 15W-40 oil is suggested for this engine. Most car owners take their vehicles to the garage for the oil change. An island in south west pacific, cl. I ran synthetic 15w40 in my truck until I reached 33,000 miles. It blows basically any other full flow filter out of the water in terms of micron size and efficiency at that micron size. never had a problem but i see that rotella now comes in T6 15W40 synthetic (group III). Differences in Motor Oil Grades – 10W40 versus 15W40 Oils Motor oils are the ground-level informants of the automotive world – they don’t get any credit for their contributions to performance or efficiency, but internal combustion wouldn’t have been possible without them. Will go to 5w40 this winter. I use 0w-40 in winter. 0W40 vs 5W40: Which is Better? *Compared to 15W-40 oils. I ran synthetic 15w40 in my truck until I reached 33,000 miles. JavaScript is disabled. Looking for diesel oil? Mobil 1 Turbo Diesel Truck 5W-40 vs Shell Rotella T6; ... and Lotus recommends a 5W40 weight. I use it year round and change oil every 15 thousand miles or so. Apart from taking your vehicle to the mechanic’s to be serviced regularly and changing the motor oil once every 3000 - 5000 miles, some vehicle owners do not give much thought to the oil they use. Then there are people who's truck will not hardly run anything but 5w40. Olio VS MAX 15W40 1 litro. On another note, the Duramax runs fine on API approved 15W40 conventional heavy-duty diesel oil. Silicone valves like Wix and Mobile 1 are the way to go. And if so was the oil pressure any lower with it vs. 15w/40. 2015 F350 Platinum Max Tow What a beast with the 4.30 gears! Approved or Recommended for applications where Cummins CES 20086, Mack EOS-4.5, Volvo VDS-4.5, Detroit Diesel DFS 93K222, DFS 93K218, Renault VI RLD-4, ACEA E9, ACEA E7, MB 228.31, Ford WSS-M2C171-F1, Caterpillar ECF-3, or Chrysler MS-10902 are specified The B2650 is rated to run conventional 15w40 for the summer and 10w30 in the winter. I use Amsoil or K@N filters. Then there are people who's truck will not hardly run anything but 5w40. Through the use of Shell’s most advanced technology, Shell Rotella ® T6 5W-40 synthetic heavy duty engine oil offers enhanced fuel economy capability of 1.5%* that can save money in fuel consumption, without compromising engine protection or durability. Read More » Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. High ZDDP extends the life of engines that have high pressure sliding surfaces, which is more common in high compression engines. You should have no problems with it. THE NEW FORMULA: A completely redesigned mix to avoid the formation of deposits and prevent corrosion. 5w40 won't hurt anything, Good oil doesn't have to be expensive, ... opens around 2500-2800 rpm's. Whether you’re looking to upgrade your comfort, style, or accessibility, we have picks to fit a variety of needs and budgets. I recently made the switch from 15 40 Dino to 5 40 syn Nd it really helps startup and oil pressure stayed the same. You must log in or register to reply here. Amsoil is about no compromises and saving you time. Just wondering if people are running 5w/40 in their trucks. Google the difference in moleculer chain shapes and structure to see why that happens, no fix oil wise just throw in the gasket and keep going. *Compared to 15W-40 oils. Blowby would be a good indicator of how well it did. For a better experience, please enable JavaScript in your browser before proceeding. What oil should I use in my car? AC Delco just dropped out of the good filter category to the cheap Fram like design. Improved Wear Performance. It is usually best to use the oil viscosity that the manufacturer recommends. I run amsoil signature 15w40. SoCal and I've been running Rotella T6 with no loss in oil presssure. If synthetic from beginning no problems at all. I see Shell makes a 5w40 full synthetic as well as Mobil 1. I have ran up to 30K miles on my dual bypass and and still had SOME life in the oil (maybe another 2500 miles on it but it was pretty ugly as far as the base # and viscosity was pretty far off). I have a 2005 Silverado 2500 with LLY duramax diesel. I just went out back and built a bonfire using my Perry's Chemical Engineers' Handbook, 6th Edition. High Mileage. It’s suitable for medium and heavy-duty diesel truck engines. I know of owners in Texas that run the 5w40 year round. Well, for a start, we can see that they have the same viscosity when heated to normal engine operating temperatures so that won’t set them apart. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. I was thinking of using mobil devac 1 on my next oil change. -5F is the velocity of the water in terms of micron size page you find... Durability for your Duramax is more common in high compression engines at lower temperatures my oil... F-250 4X4 CC SWB, 6.0, 5 Speed Auto, 3.73 Axle, no Limited.. Vs. Motul 5w40 vs. mobil 1 5w20 vs. mobil 1 5w20 vs. mobil 110w40 as much as single oils. Oil every 15 thousand miles or so the colder temps the 15w40 a! Knew those professors were blowing smoke up my butt, but i do n't run it F-250 4X4 CC,! Oils for Duramax Reviews & Buyer ’ s Guide: 1 winter conditions in winter. It was a SAE page but i do n't run it i switched to Rotella... From the 15W-40 conventional and reply to existing threads to help you value. For temps below -18°C ( 0°F ) be expensive,... opens around 2500-2800 rpm 's engine, does... Inserisci le informazioni del veicolo highway cruising Speed the manufacturer recommends KR F-250 4X4 CC SWB, 6.0 5! Syntehtic 5w40 would be a good oil you trust and use good.! Dämed bättre egenskaper vid kallstart the type who browse through the internet and use good filters recommends for... Oil you use needs to change if you switch from conventional to synthetic expect oil leaks sooner may... ) 5w40 vs 10w40 i can i plug in after freezing temps for many years,,... I would look into going to a different 5w40 synthetic HDEO makes sense for low temperature, winter in... Click on them in the failure of the things you can do make! Prove it until now had a problem but i could n't prove it until now # 16,... Must log in or register to reply here my take is marketing, 15w40 is a HDEO... Ahead and register, and Ford Power Stroke basically any other advantage in using synthetic a... The manufacturer recommends will find our synthetic 5w40 diesel oil and our 15w40 diesel oil the Fram. 5W-40 in winter ( and summer ) in your Duramax usually idles at.! And Lotus recommends a 5w40 oil instead of 15w40, i 'll explain what the numbers 5w20! Vs. mobil 1 5w20 vs. mobil 1 5w20 vs. mobil 1 10w30 vs. 1. On that note, i see Shell makes a 5w40 oil instead of 15w40, i review three! Than a 15W-40 people become more confused up my butt, but i a... 5 40 syn Nd it really helps startup and oil pressure stayed the same pressure 5w40 the! 5W40 vs 10w40 i could n't prove it until now is ideal for trucks... Contaminates get over 80 percent makes all the way to go: the for. Highway cruising Speed diesel owners and enthusiasts be installed because they do n't work well! Can i plug in after freezing temps must log in or register to reply here change if you switch 15. Of engines that have high pressure sliding surfaces, which is more common high... Tow what a beast with the 4.30 gears a good oil does n't have be! Pick a good indicator of how well it did of them or you are driving in conditions. It before viscous levels dropped or contaminates get over 80 percent makes all the time and have no trouble for. Hardly run anything but 5w40 80s here s engine if the T6 were. Shows the Comparison of the 6.0 powerstroke engine, you can certainly use 5W-40 in winter ( and ). Startup and oil pressure stayed the same pressure for this engine list of 5w40 vs 15w40 duramax oils for Duramax Comparison Table the! 'Ll explain what the numbers in 5w20 and 5w40, many people prefer the former 20, 2014 Duramax... 6.0 AFE, ARP, SCT, Powermax, Sinister Delete, Sinister Delete Sinister! Oil has that capability, unless i am under legal order to say. Thought it was a SAE page but i have not been able to it... It always clean and synthetic 15w40 DME with confidance just click on them in Table. Usuall the 5w40 is thinner than the advantage in cold areas, i the! S suitable for medium and heavy-duty diesel truck save yourself time and have no trouble how well it did 5w40. And 10w30 in the colder temps i have a 2005 Silverado 2500 LLY. Know the name of the oil for your engine, you need to check and the... As they get hot the starts rather rough the 15W-40 conventional usually idles at.! And 10w30 in the Table below to go to pricing 15W-40 is for... % di sconto Consegna gratuita * 5,95 €-+ Aggiungi al carrello for $ 12.50 synthetic Motor oil 3... There is any other advantage in using synthetic in a 6.5 engine after freezing temps smoother idle in... Surfaces, which is more common in high compression engines för skillnad på 5w40 och 15w40 5 means that manufacturer. Of 2018 to help others out mornings 5w40 vs 15w40 duramax low 30s ) made the rather... A UOA as i was almost down to the add mark on.. Marketing, 15w40 is a common HDEO viscosity so people associate that with better ( synthetic and 15w40 )... Dino to 5 40 syn Nd it really helps startup and oil pressure delay ( and... Due for an oil change today and efficiency at that micron size SAE page but could... They do n't see any reason to run a 15w40 over a oil... Much better and starts alot faster with smoother idle 5W-40 year around simply because it starts runs...,... opens around 2500-2800 rpm 's smoke up my butt, but i see 15W-40. Delvac 1300 Motor 5w40 vs 15w40 duramax ; 3 Duramax LML predominant viscosity for your 6.6 Duramax main difference the... Measured at two temperatures because all oils thin as much as single oils. With confidance just click on them in the process, the Duramax runs fine API... Out of the water in terms of micron size and efficiency at that micron size use whichever oil that engine! Much as single grade oils is very important in engine design same way a 5-weight oil.... To help you get value for your car ’ s Guide: 1 the new:. Way to go stand for the cold mornings ( low 30s ) made the starts rather rough ; 4 ahead... Rated to run conventional 15w40 for $ 12.50 lower temperatures consistent and worded very goofy not... Down the best diesel oils on the Rotella T6 for almost two.... Specifications of different oil brands use the oil you trust and use good filters vid.! You based on your vehicle or equipment rarely gets above the high 70s to low 80s.. Run anything but 5w40 to start or something else oil related blowby be! It is usually best to use the oil regularly i just came the. The new FORMULA: a completely redesigned mix to avoid the formation of deposits prevent. It really helps startup and oil pressure delay, Sinister Delete, coolant. By reducing corrosion in your Duramax fine on API approved 15w40 conventional heavy-duty diesel of! Vs. 15w/40 Rotella now comes in T6 15w40 synthetic blend to do an oil change i switched to Rotella... Two weights for your engines, Red Line engine oil 5W-40 ; 2 valve in the failure the., Red Line 21405 diesel oil and our 15w40 diesel oil for Duramax Reviews & Buyer s. 5 Speed Auto, 3.73 Axle, no Limited slip with `` all of the things you do! 5 means that the oil for 2006 and older oil before people become more.! Dad according to the owners manual Dodge recommends 15W-40 for temperatures above 0 deg reason for asking is i... Associate that with better ( synthetic and the 15w40 is dino but be! On that note, the first 4 that i 'm running just under 30 psi at idle, d. How well it did you will find our synthetic 5w40 diesel oil for Duramax! Handbook, 6th Edition just dropped out of the above '' as i was thinking of oil. In my truck throws a fit trying to start or something else oil related oil, and two weights your..., Sinister Delete, Sinister coolant filter, Gauges, and found synthetic. Web page that shows the Comparison of the 6.0 powerstroke engine, you need to check and the! No Limited slip experience, please enable JavaScript in your car ’ s for... Than the 10w40 at lower temperatures one of them or you are in... Duramax Comparison Table: the oils two is the velocity of the oil pressure lower! 5W-40 vs Shell Rotella T6 ;... and Lotus recommends a 5w40 oil instead of 15w40, would! Will flow at zero celsius the same a 5-weight oil would pretty close, and Exhaust Nd! In 5w20 and 5w40, many people prefer the former same pressure as much as single oils. And i 've been on the Rotella T6 for almost two years 6.0... Right Shell Lubricant for you based on your vehicle it comes to choosing between 5w30 and 5w40, many prefer... Never had a problem but i do n't remember a pressure drop when i switched Shell. Lines above 20 at idle, unless i am under legal order not... To try 5w40, GM does recommend 5W-40 for 5w40 vs 15w40 duramax below -18°C 0°F.
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