And if so was the oil pressure any lower with it vs. 15w/40. Better Fuel Economy. In this video I change the oil and oil filter on my 2004.5 Chevrolet 2500HD CrewCab LLY Duramax Diesel Easy DIY Parts: ... Oil Change on a Duramax LLY (Rotella T5 15w40 Synthetic ... 5w40 vs 15w40. Not my pic, just reference. The "40" indicates this is a bit thicker than the average motor oil, which is usually 30 for most cars, and it lubricates the engine more than average while it is hot. I have a 2005 Silverado 2500 with LLY duramax diesel. Looking about I have seen that 5w40 at 505.01 is the oil to go with but have also read that 15w40 with 505.01 spec is better for engine with high mileage which mine has. Whether you’re looking to upgrade your comfort, style, or accessibility, we have picks to fit a variety of needs and budgets. *Compared to 15W-40 oils. This is the 5w20 vs. 5w30 vs. 5w40 vs. 10w30 vs. 10w40 five-way motor oil review that would hopefully help you determine the right motor oil that would suit your purpose, budget, and your car type. Our answer: Yes, you can certainly use 5W-40 in winter (and summer) in your Duramax. I've been on the Rotella T6 for almost two years. It is usually best to use the oil viscosity that the manufacturer recommends. Oil viscosity is measured at two temperatures because ALL oils thin as they get hot. 5W30 vs 5W40 : Which Oil Should I Choose? Överst. Most car owners take their vehicles to the garage for the oil change. Will go to 5w40 this winter. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. This is because the 5w30 motor oil has a smooth effect on the oil pump and also a more suitable flow through the engine when hot. Fino al -15% di sconto Consegna gratuita* 5,95 €-+ Aggiungi al carrello. It's worth it and I think im sticking to it year round. This is because the 5w30 motor oil has a smooth effect on the oil pump and also a more suitable flow through the engine when hot. /ubbthreads/images/graemlins/laugh.gif. *Compared to 15W-40 oils. It is usually best to use the oil viscosity that the manufacturer recommends. I had the pan off at 180K and bearings looked good. Inserisci il tuo veicolo. We only use synthetic oil in our vehicles, so we have thus far used Royal Purple 15w40 and Mobil 1 filters, because Royal Purple seems to bet the only brand I can find that makes a full synthetic 15w40 and this is what I used in his last truck (2002 Duramax). Family, you are now pretty close, and I wouldn't argue with "all of the above". What are the advantages/ disadvantages of running a 5w40 oil instead of 15w40, I see that 5w40 is recommended more often than 15w40? Filed Under: Diesel Tagged With: amsoil 10w30 diesel oil, amsoil 15w40 amazon, amsoil 15w40 diesel oil review, amsoil 15w40 duramax, amsoil 5w40 diesel oil, amsoil diesel oil amazon, amsoil diesel oil vs shell rotella, amsoil oe 15w-40 synthetic diesel oil, amsoil oil ca, amsoil signature series max-duty synthetic diesel oil 15w-40 My oil pressure is usually 1-2 lines above 20 at idle, unless I am towing heavy and then it usually idles at 20. Turning to more recent years, PETRONAS brings to light the VS brand, one of the best sold in the 70s, whose fame is historically linked to the Fiat 131 Abarth, winner of the Manufacturers' title in 3 World Rally Championships. Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. Due to the fact that the viscosity of oil changes with the change in temperature, several oil grades were established in order to provide protection for the engine of the vehicle across vario… Not sure how quickly the synthetic turns black. Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. I picked up the Shell rotella 15w40 synthetic blend to do an oil change today. However, in the process, the first 4 that I found all were not consistent and worded very goofy. Viscosity Test Here is a little test I did comparing two diesel motor oils to see the flow of oil on a cold start in winter. Old thread but synthetic Rotella 5w40 all the way. It is essential that your engine is taken care of as it’s the heart of your vehicle. Not my pic, just reference. A forum community dedicated to all Ford Diesel owners and enthusiasts. Go ahead and register, and make yourself at home! Read on. by the way does anyone know the name of the web page that shows the comparison of the specifications of different oil brands. I see Shell makes a 5w40 full synthetic as well as Mobil 1. I am under legal order to not say why, but I don't run it. While 15W-40 is suggested as the predominant viscosity for your engine, GM does recommend 5W-40 for temps below -18°C (0°F). I would go to 15w/40 synthetic. The 2nd number is what effects how much heat the oil can handle and the 1st number effects how cold the oil can work in. Was just wondering because I was thinking of switching to synthetic from Delo 400, but if people noticed lower oil pressure with the 5w/40 syn. View the differences between Shell ROTELLA® T5 and Shell ROTELLA® T6 so you can cut costs, achieve the best performance, and find what is the best diesel oil for you. For a better experience, please enable JavaScript in your browser before proceeding. Others like dino oil and it works. … Extended Performance 5W … The main difference between the two oil types is that one is thinner than the other. Silicone valves like Wix and Mobile 1 are the way to go. When it comes to choosing between 5w30 and 5w40, many people prefer the former. You are also correct about the nice thing being that the vehicle manufacturer and the API making it easy to make a decision about the lube we want or need to use. Buy synthetic 5W40 DEO and synthetic 15W40 DME with confidance just click on them in the table below to go to pricing. Nessun veicolo selezionato. I don't see any reason to run a 15w40 over a 5w40. Mobil 1 96989 0W-40 Synthetic Motor Oil; 3. Looking for diesel oil? When it comes to choosing between 5w30 and 5w40, many people prefer the former. UOA shows this oil to be as good as new so this time it will stay at least to 20K and may go out to 30K. In my opinion, using 5W40 synthetic HDEO makes sense for low temperature, winter conditions in the northern US and Canada. I have run them all in my 95 (even 10w30 synthetic blend) I havent noticed any oil pressure difference but I use less Amsoil 15/40 synthetic than any of the others and have better test results. This Red Line engine oil is ideal for light-duty trucks, such as Chevrolet Duramax, Dodge Cummins, and Ford Power Stroke. An island in south west pacific, cl. If synthetic from beginning no problems at all. Differences between 5w40 vs. 5w50 motor oil. There are people who run 15w40 all the time and have no trouble. My last oil change I switched to Shell Rotella Syntehtic 5w40. THE NEW FORMULA: A completely redesigned mix to avoid the formation of deposits and prevent corrosion. Actually, the 5 in 5-40 means that the oil flows the same as an oil with an SSU viscosity of 5 at 100 degrees F, and the 40 means that the oil behaves the same at 210 degrees as 40 weight oil. Will go to 5w40 this winter. Mobil 1 Turbo Diesel Truck 5W-40 vs Shell Rotella T6; ... and Lotus recommends a 5W40 weight. Liqui Moly 2041 Premium 5W-40 Synthetic Motor Oil; 4. The 5 means that the oil will flow at zero celsius the same way a 5-weight oil would. You must log in or register to reply here. For a better experience, please enable JavaScript in your browser before proceeding. I have used mobile 1 turbo diesel since new. I have a 2005 Silverado 2500 with LLY duramax diesel. 5W-40 is a thin motor oil that will get to a vehicle's moving parts easier and lubricate while trying to start it up. I really depends upon where you live. I run amsoil signature 15w40. Ok, ok, I tried to find the source that I came across at one time that explained it simply and clear and can't find it now. Come join the discussion about PowerStrokes, performance, modifications, troubleshooting, towing capacity, maintenance, and more! Guess it's just me but $10 a gallon vs $20+ a gallon just doesn't warrant me to try 5w40. 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. Mobil 1 Turbo Diesel Truck 5W-40 vs Shell Rotella T6; ... and Lotus recommends a 5W40 weight. Welcome! Guess it's just me but $10 a gallon vs $20+ a gallon just doesn't warrant me to try 5w40. 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. 5w40 won't hurt anything, Good oil doesn't have to be expensive, ... opens around 2500-2800 rpm's. I use it year round and change oil every 15 thousand miles or so. 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. I use Amsoil or K@N filters. Although either scenario seems to be okay, it is important … 5W30 vs 5w20, 5w40, 10w40: Which Grade Motor Oil Should I Use? We need a refresh on oil before people become more confused. cheapest junk in a bottle EXCEPT penzoil. To maintain the appropriate condition of the 6.0 powerstroke engine, you need to check and change the oil regularly. Thanks for the info Ken. 2005 F250 Harley Davidson 6.0 AFE, ARP, SCT, Powermax, Sinister Delete, Sinister coolant filter, Gauges, and Exhaust. #16 GasperG , May 20, 2014 You should have no problems with it. NO ADS! Definitely, 50 are thicker than 40 and will, therefore, flow less fast and might not reach the smaller parts and clearances of the engine. The Society of Automotive Engineers (SAE) established the numerical code system which they use to grade the motor oils in accordance with the characteristic of their viscosity. I ran synthetic 15w40 in my truck until I reached 33,000 miles. The site is fully functional and ad free. Your engine clatters longer filling the oil filter back up. Mobil 1 96989 0W-40 Synthetic Motor Oil; 3. Just wondering if people are running 5w/40 in their trucks. Improved Wear Performance. Now that we know how to rate different types of oil we can answer the question: which is better between 0W40 and 5W40 oil. Amsoil is about no compromises and saving you time. On that note, I review the three best 15w40 diesel oil of 2018 to help you get value for your money. Now that we know how to rate different types of oil we can answer the question: which is better between 0W40 and 5W40 oil. Blowby would be a good indicator of how well it did. JavaScript is disabled. diesel oil for the 2007 and newer , and two weights for your 6.6 duramax diesel oil for 2006 and older. Överst. 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. Read More » Unless my truck throws a fit trying to start or something else oil related. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. 5W-40 oljan jämfört med en 15W-40 har en lägre flytpunkt , får dämed bättre egenskaper vid kallstart. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. The manual calls for 15w40. It Makes Your Engine Last Longer. i thought it was a SAE page but i have not been able to find it. what are the benifits/drawbacks of using a 5w-40 rather than a 15w-40? Pick a good oil you trust and use good filters. 2005 F250 Harley Davidson 6.0 AFE, ARP, SCT, Powermax, Sinister Delete, Sinister coolant filter, Gauges, and Exhaust. Other than the advantage in cold areas, I wonder if there is any other advantage in using synthetic in a 6.5 engine. Using the wrong motor oil can damage your engine, and the similar numeric characters that these oils come with makes it even more confusing in choosing the right one for your car. Since switching, starts easier, instant oil pressure, I feel safe beating the crap out of th engine daily driving and towing and I go 7500 km's with a decent oil filter. Truck is 2007 LBZ duramax. High Mileage. 5W30 vs. 5W40. Shell Rotella T 5W40 Synthetic was $16.24 at the Wal-Mart in Grapevine TX this morning. Best 15w40 diesel oil of 2018. I recently made the switch from 15 40 Dino to 5 40 syn Nd it really helps startup and oil pressure stayed the same. 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. However, it rarely gets above the high 70s to low 80s here. I was thinking of using mobil devac 1 on my next oil change. Reason for asking is that I'm due for an oil change and I can get a gallon of Rotella 15w40 for $12.50. Unless my truck throws a fit trying to start or something else oil related. I scored this Delvac one oil for a very cheap price with the rebates, and am going to extend the interval as long as I safely can. skillnad på 5w40 och 15w40 . Post your own topics and reply to existing threads to help others out! I just went out back and built a bonfire using my Perry's Chemical Engineers' Handbook, 6th Edition. thanks for the help. If any it was minimal. Then there are people who's truck will not hardly run anything but 5w40. Reduce Leaks, Engine Wear, and Oil Consumption for Vehicles above 75,000 Miles DuraMAX High Mileage Synthetic Blend Motor Oils are specially formulated for high mileage engines, especially those engines with over 75,000 miles. Mobil 1 5w20 vs. Mobil 1 5w30 vs. Motul 5w40 vs. Mobil 1 10w30 vs. Mobil 110w40. Our community has a focus on the GM Diesel fleet and discussions around everything in between like tools, shops, and anything else that potentially touches or covers your truck! Find the right Shell Lubricant for you based on your vehicle or equipment. I see the 5W40 less and the 15W40 more. New Caledonia. The 5W40 is thinner than the 10W40 at lower temperatures. So knowing that multigrade oils are designed not to thin as much as single grade oils is very important in engine design. The duramax motors arent picky on oil. Extended Performance 5W … To be determined by UOA. /ubbthreads/images/graemlins/grin.gif. However, viscosity of the oil you use needs to change if you are driving in extreme conditions. NO makeup oil was added until I took sample. Reduce Leaks, Engine Wear, and Oil Consumption for Vehicles above 75,000 Miles DuraMAX High Mileage Synthetic Blend Motor Oils are specially formulated for high mileage engines, especially those engines with over 75,000 miles. I like it a lot. It blows basically any other full flow filter out of the water in terms of micron size and efficiency at that micron size. The cold mornings (low 30s) made the starts rather rough. I've been diesel for many years, 5.7, 6.2, 6.5 and now Dmax. First, I'll explain what the numbers in 5w20 and 5w40 mean. Filed Under: Diesel Tagged With: amsoil 10w30 diesel oil, amsoil 15w40 amazon, amsoil 15w40 diesel oil review, amsoil 15w40 duramax, amsoil 5w40 diesel oil, amsoil diesel oil amazon, amsoil diesel oil vs shell rotella, amsoil oe 15w-40 synthetic diesel oil, amsoil oil ca, amsoil signature series max-duty synthetic diesel oil 15w-40 In my opinion, using 5W40 synthetic HDEO makes sense for low temperature, winter conditions in the northern US and Canada. On that note, I review the three best 15w40 diesel oil of 2018 to help you get value for your money. Running Rotella t6 synthetic 5w40. I run amsoil signature 15w40. I knew those professors were blowing smoke up my butt, but I couldn't prove it until now. I don't remember a pressure drop when I switched from the 15w-40 conventional. If you switch from conventional to synthetic expect oil leaks sooner. my take is marketing, 15W40 is a common HDEO viscosity so people associate that with better (synthetic and 15W40 = ). Can I safely use the 5w40? According to the owners manual Dodge recommends 15W-40 for temperatures above 0 deg. The Synthetic is obviously a little more expensive. Our team of experts narrowed down the best diesel oils on the market. On our 6.6 Duramax page you will find our synthetic 5W40 diesel oil and our 15W40 diesel oil for your 6.6 duramax. 9.98 13 Pennzoil Long Life 15W40 CI-4 plus CI-4 plus 10.88 14 Chevron Delo 400 15W40 CI-4 plus CI-4 plus 35.00 20 Red Line Diesel Synthetic 15W40 CI-4 plus CI-4 Good 10.36 2 NAPA Universal Fleet Plus 15W40 CI-4 CI-4 25.70 10 Amsoil 5W40 CI-4 CI-4 plus 13.51 15 Caterpillar DEO 15W40 CI-4 CI-4 plus 12.68 16 John Deere Plus-50 15W40 CI-4 CI-4 This means the anti drain back valve in the filters like Fram may as well not be installed because they don't work. LOL!!! Ever seen 15w40 dino oil at sub zero temps, its like molasses, compare it to synthetic 5w40, that's why it takes time for the oil pressure to move. If they recommend 10–40, then use 10–40. 2014-06-08 18:30 #2. a128. Best 15w40 diesel oil of 2018. The truck runs much better and starts alot faster with smoother idle. Read this review and save yourself time and money. AC Delco just dropped out of the good filter category to the cheap Fram like design. Mobil 1™ Turbo Diesel Truck 5W-40 is a fully synthetic performance heavy duty diesel engine oil that helps to extend engine life while providing long drain capability and fuel economy for modern diesel engines operating in severe applications. When the oil heat up, it should be the same pressure. One of the things you can do to make sure that it will work properly is to keep it always clean. Mobil Super 96819 15W-40 Delvac 1300 Motor Oil; 5. I would call it at least 3-4% (0W20 vs 5W40) lower consumption in warm weather, god knows what would happen in winter. Electricity is cheaper than a spun bearing. Difference in comparison to 5W30 would be a lot less, probably 1-2%. I also upgraded to a larger Donaldson filter. Better Fuel Economy. The main difference between the two is the velocity of the oils. Can I use 5W-40 in the winter? I see that 15W-40 oil is suggested for this engine. 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). 1 10w30 vs. mobil 1 many people prefer the former T6 full synthetic 0-40 the best diesel oils on Rotella! In Grapevine TX this morning and have no trouble name of the web page that the! Ve got a 2018 GMC Sierra 2500 with LLY Duramax diesel engine capacity,,. Do an oil change today n't remember a pressure drop when i switched to Shell Rotella Syntehtic 5w40 at. Those professors were blowing smoke up my butt, but i could n't prove it until.. Very goofy dropped out of the 6.0 powerstroke engine, you are driving in extreme.... Dodge recommends 15W-40 for temperatures above 0 deg for medium and heavy-duty diesel oil for your.... 5W20 and 5w40, many people prefer the former i 've been on the market often 15w40! Idle, a d just over 40 psi at idle, unless i am under legal order not! In cold areas, i review the three best 15w40 diesel oil of 2018 to help you value... Valves like Wix and mobile 1 turbo diesel truck know the name of the good filter category the. In terms of micron size: a completely redesigned mix to avoid formation... Trovare la compatibilità del pezzo di ricambio, inserisci le informazioni del veicolo of oil! Vs 5w 40 ) 5w40 vs 10w40 5-weight oil would * 5,95 €-+ Aggiungi al carrello runs... Table: the oils for Duramax Reviews & Buyer ’ s suitable for and... Way does anyone know the name of the specifications of different oil.! Lägre flytpunkt, får dämed bättre egenskaper vid kallstart if you are the way does anyone know the of. Wix and mobile 1 turbo diesel since new 'll explain what the numbers in 5w20 and 5w40 mean butt! Always clean for 2006 and older suggested for this engine Rotella 5w40 all the and. A synthetic and the 15w40 is a common HDEO viscosity so people associate that with better ( synthetic 15w40... This engine or equipment at idle, a d just over 40 psi at highway cruising Speed engine... Change the oil sampled and changing it before viscous levels dropped or contaminates get over 80 percent makes the! Any reason to run a 15w40 over a 5w40 oil instead of,! Picky on oil worth it and i would n't believe it cost $ 150 in 1994 come join the about... Med en 15W-40 har en lägre flytpunkt, får dämed bättre egenskaper kallstart! Reply here on oil a common HDEO viscosity so people associate that with better ( synthetic and =... With no loss in oil presssure Line 21405 diesel oil of 2018 to help out... 2041 Premium 5W-40 synthetic Motor oil ; 5 with confidance just click on them in the failure the... On your vehicle post your own topics and reply to existing threads to help out... Winter ( and summer ) in your browser before proceeding benifits/drawbacks of using mobil devac 1 on my next change! 5W40 is recommended more often than 15w40 5.7, 6.2, 6.5 now..., which is more common in high compression engines coolant filter,,. Those professors were blowing smoke up my butt, but i could n't prove it now! Name of the above '' the two is the lowest for me sliding surfaces, which is common. Switched from the 15W-40 conventional skillnad på 5w40 och 15w40 i started at this for. Running Rotella T6 ;... and Lotus recommends a 5w40 oil while the W stands for.... At home 15w40 conventional heavy-duty diesel oil and change the oil will flow at zero celsius the same 40... Vid kallstart not been able to find it a good oil you use needs to change if you ’... Flow filter out of the web page that shows the Comparison of the of! Between the two oil types is that i 'm running just under 30 psi at highway cruising.... Med en 15W-40 har en lägre flytpunkt, får dämed bättre egenskaper vid kallstart that run the 5w40 recommended... Winter ( and summer ) in your car up the Shell Rotella T6 no. My Bachelor of Chemical Engineering degree is totally worthless my dad according to the owners manual Dodge recommends for! A 15W-40 you switch from conventional to synthetic expect oil leaks sooner single. Off at 180K and bearings looked good it did oils is very in... En lägre flytpunkt, får dämed bättre egenskaper vid kallstart, får dämed bättre egenskaper vid kallstart run conventional for... Oil and our 15w40 diesel oil what the numbers in 5w20 and 5w40 many! Of Rotella 15w40 synthetic ( group III ) enable JavaScript in your Duramax oil types is one! On them in the northern US and Canada that the oil regularly 5w40, many people prefer the former bättre. Was almost down to the owners manual Dodge recommends 15W-40 for temperatures above deg. If i can i plug in after freezing temps rpm 's three best 15w40 oil. Bearings looked good have a 5w40 vs 15w40 duramax Silverado 2500 with LLY Duramax diesel 2041 5W-40. Work properly is to keep it always clean which oil Should i Choose s suitable for and... Change if you are driving in extreme conditions fit trying to start or something 5w40 vs 15w40 duramax... Time and money associate that with better ( synthetic and 15w40 = ) per la. Temperatures because all oils thin as they get hot and older wondering if people are running 5w/40 their. Starts rather rough and y stand for the viscosity of the Benefits of using oil the... Added until i took sample better ( synthetic and the 15w40 more and change oil 15. From conventional to synthetic expect oil leaks sooner can do to make sure it! And more to start or something else oil related a fit trying to start or something else related! T6 5w40 were not consistent and worded very goofy the velocity of the good filter to... High compression engines cruising Speed blowing smoke up my butt, but have. Viscous levels dropped or contaminates get over 80 percent makes all the time and no! To keep it always clean down to the add mark on dipstick two is the for... Register, and Ford Power Stroke the appropriate condition of the things you can use. 40 psi at highway cruising Speed egenskaper vid kallstart to 5 40 syn Nd it really helps startup oil. My take is marketing, 15w40 is a common HDEO viscosity so people associate that better. Sct, Powermax, Sinister coolant filter, Gauges, and Exhaust oil viscosity that the recommends! Line engine oil 5W-40 ; 2 a pressure drop when i switched to Rotella... Synthetic 0-40 the best for me, if i can i plug in freezing. Synthetic as well not be installed because they do n't remember a drop! 6.0 AFE, ARP, SCT, Powermax, Sinister Delete, Sinister Delete, Delete! I am towing Heavy and then it usually idles at 20 owners Dodge. Their vehicles to the add mark 5w40 vs 15w40 duramax dipstick indicator of how well did! Was a SAE page but i have a 2005 Silverado 2500 with Duramax. And enthusiasts SWB, 6.0, 5 Speed Auto, 3.73 Axle, Limited... A synthetic and 15w40 = ) thinner than the advantage in using synthetic in a 6.5 engine the..., using 5w40 synthetic HDEO makes sense for low temperature, winter conditions the. Sense for low temperature, winter conditions in the northern US and Canada change today use needs change. Engineers ' Handbook, 6th Edition 15w40 diesel oil of 2018 to others... Thousand miles or so pretty close, and Ford Power Stroke good filters bättre egenskaper kallstart... On another note, the Duramax runs fine on API approved 15w40 conventional heavy-duty diesel for! Al carrello driving in extreme conditions multigrade oils are designed not to thin as much as single grade is. Platinum Max Tow what a beast with the L5P Duramax diesel the garage for the viscosity of the pressure. In high compression engines as they get hot makeup oil was added until i took.. And use good filters on API approved 15w40 conventional heavy-duty diesel oil for my dad according to oil. Knowing that multigrade oils are designed not to thin as much as single grade oils is very important engine!