The duramax motors arent picky on oil. Whether you’re looking to upgrade your comfort, style, or accessibility, we have picks to fit a variety of needs and budgets. 5W-40 oljan jämfört med en 15W-40 har en lägre flytpunkt , får dämed bättre egenskaper vid kallstart. It works by reducing corrosion in your car’s engine. I picked up the Shell rotella 15w40 synthetic blend to do an oil change today. To ensure maximum durability for your engines, Red Line 21405 diesel oil has that capability. I run Schaffers 9000 5w40 synthetic all year round. My oil pressure is usually 1-2 lines above 20 at idle, unless I am towing heavy and then it usually idles at 20. 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. Not my pic, just reference. Best 15w40 diesel oil of 2018. Will go to 5w40 this winter. 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). Read this review and save yourself time and money. High Mileage. 5W30 vs. 5W40. Shell Rotella T 5W40 Synthetic was $16.24 at the Wal-Mart in Grapevine TX this morning. I run amsoil signature 15w40. Mobil 1 96989 0W-40 Synthetic Motor Oil; 3. The manual calls for 15w40. Extended Performance 5W … Not sure how quickly the synthetic turns black. Running Rotella t6 synthetic 5w40. What are the advantages/ disadvantages of running a 5w40 oil instead of 15w40, I see that 5w40 is recommended more often than 15w40? The cold mornings (low 30s) made the starts rather rough. AC Delco just dropped out of the good filter category to the cheap Fram like design. It is essential that your engine is taken care of as it’s the heart of your vehicle. Hey all, Ive used the T6 5W40 synthetic (group III) in all the bikes for years. What are the advantages/ disadvantages of running a 5w40 oil instead of 15w40, I see that 5w40 is recommended more often than 15w40? Mobil 1 5w20 vs. Mobil 1 5w30 vs. Motul 5w40 vs. Mobil 1 10w30 vs. Mobil 110w40. Best 15w40 diesel oil of 2018. Better Fuel Economy. Silicone valves like Wix and Mobile 1 are the way to go. 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. Looking for diesel oil? #16 GasperG , May 20, 2014 Not my pic, just reference. Rhino bedliner, Unicover bed cover. I run it because I only have room for group 75 batteries in my swapped BURB, and with 15w40 at freezing temps, ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. 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. First, I'll explain what the numbers in 5w20 and 5w40 mean. 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. Mobil 1 Turbo Diesel Truck 5W-40 vs Shell Rotella T6; ... and Lotus recommends a 5W40 weight. To be determined by UOA. *Compared to 15W-40 oils. LOL!!! It's worth it and I think im sticking to it year round. One of the things you can do to make sure that it will work properly is to keep it always clean. SoCal and I've been running Rotella T6 with no loss in oil presssure. It is usually best to use the oil viscosity that the manufacturer recommends. 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 would go to 15w/40 synthetic. Unless my truck throws a fit trying to start or something else oil related. I have a 2005 Silverado 2500 with LLY duramax diesel. It blows basically any other full flow filter out of the water in terms of micron size and efficiency at that micron size. I know of owners in Texas that run the 5w40 year round. I run amsoil signature 15w40. 5W30 vs. 5W40. I have used mobile 1 turbo diesel since new. If the T6 5W40 were not available, I would look into going to a different 5W40 synthetic oil. It blows basically any other full flow filter out of the water in terms of micron size and efficiency at that micron size. I used to use the dino 15w40 version but cold starts were a bugger and the noise, you could count how long it would take for the oil pressure gauge to move. Thanks for the info Ken. The duramax motors arent picky on oil. cheapest junk in a bottle EXCEPT penzoil. On another note, the Duramax runs fine on API approved 15W40 conventional heavy-duty diesel oil. If any it was minimal. Guess it's just me but $10 a gallon vs $20+ a gallon just doesn't warrant me to try 5w40. When it comes to choosing between 5w30 and 5w40, many people prefer the former. Per trovare la compatibilità del pezzo di ricambio, inserisci le informazioni del veicolo. 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. We have tons of knowledge here for your diesel truck! 2005 F250 Harley Davidson 6.0 AFE, ARP, SCT, Powermax, Sinister Delete, Sinister coolant filter, Gauges, and Exhaust. … 5W40 vs 10W40 – Differences. Can I safely use the 5w40? When the oil heat up, it should be the same pressure. X and y stand for the viscosity of the oil while the W stands for winter. 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. 5w40 simply gives you a larger range of temperature that the oil will be effective in. Electricity is cheaper than a spun bearing. While 15W-40 is suggested as the predominant viscosity for your engine, GM does recommend 5W-40 for temps below -18°C (0°F). If they recommend 10–40, then use 10–40. I ran synthetic 15w40 in my truck until I reached 33,000 miles. 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. JavaScript is disabled. The 5 means that the oil will flow at zero celsius the same way a 5-weight oil would. I see the 5W40 less and the 15W40 more. You might be one of them or you are the type who browse through the internet and use whichever oil that your manufacturer recommends. Our answer: Yes, you can certainly use 5W-40 in winter (and summer) in your Duramax. However, viscosity of the oil you use needs to change if you are driving in extreme conditions. Most car owners take their vehicles to the garage for the oil change. Överst. So knowing that multigrade oils are designed not to thin as much as single grade oils is very important in engine design. Either one. F. As a dealer myself, I run AMSOIL in all my vehicles, but have never really ventured into the diesel world until recently and even on AMSOIL's website for the product recommendations, 15W-40 is preferred above 32 deg, but also says 5W-40 is good for all temps. my take is marketing, 15W40 is a common HDEO viscosity so people associate that with better (synthetic and 15W40 = ). Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. I ran synthetic 15w40 in my truck until I reached 33,000 miles. The truck runs much better and starts alot faster with smoother idle. Welcome! 2005 F250 Harley Davidson 6.0 AFE, ARP, SCT, Powermax, Sinister Delete, Sinister coolant filter, Gauges, and Exhaust. I also upgraded to a larger Donaldson filter. This Red Line engine oil is ideal for light-duty trucks, such as Chevrolet Duramax, Dodge Cummins, and Ford Power Stroke. 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. And if so was the oil pressure any lower with it vs. 15w/40. What Are the Benefits of Using Oil for Duramax LML. 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. It Makes Your Engine Last Longer. A forum community dedicated to all Ford Diesel owners and enthusiasts. Then there are people who's truck will not hardly run anything but 5w40. I see that 15W-40 oil is suggested for this engine. However, in the process, the first 4 that I found all were not consistent and worded very goofy. High Mileage. There are people who run 15w40 all the time and have no trouble. For a better experience, please enable JavaScript in your browser before proceeding. Vad är det för skillnad på 5w40 och 15w40? Reason for asking is that I'm due for an oil change and I can get a gallon of Rotella 15w40 for $12.50. Liqui Moly 2041 Premium 5W-40 Synthetic Motor Oil; 4. An island in south west pacific, cl. 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. I really depends upon where you live. 0W40 vs 5W40: Which is Better? I have used mobile 1 turbo diesel since new. http://www.schaefferoil.com/dealer_locator.html, http://www.schaefferoil.com/datapdf/9000.pdf, 99 & up 7.3L Power Stroke Engine & Drivetrain, 99 & up Upgrades and Aftermarket - 7.3L Engine, 7.3L IDI Diesels (Not Powerstrokes) 1988-1993, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. It is usually best to use the oil viscosity that the manufacturer recommends. 2015 F350 Platinum Max Tow What a beast with the 4.30 gears! I change the oil for my dad according to the oil life monitoring system. To maintain the appropriate condition of the 6.0 powerstroke engine, you need to check and change the oil regularly. 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 I started at this mileage for a UOA as I was almost down to the add mark on dipstick. The 5W40 is thinner than the 10W40 at lower temperatures. Mobil 1 Turbo Diesel Truck 5W-40 vs Shell Rotella T6; ... and Lotus recommends a 5W40 weight. High ZDDP extends the life of engines that have high pressure sliding surfaces, which is more common in high compression engines. With engine warm I'm running just under 30 psi at idle, a d just over 40 psi at highway cruising speed. I see Shell makes a 5w40 full synthetic as well as Mobil 1. Other than the advantage in cold areas, I wonder if there is any other advantage in using synthetic in a 6.5 engine. Olio VS MAX 15W40 1 litro. Fino al -15% di sconto Consegna gratuita* 5,95 €-+ Aggiungi al carrello. Others like dino oil and it works. When it comes to choosing between 5w30 and 5w40, many people prefer the former. Read More » 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 I don't remember a pressure drop when I switched from the 15w-40 conventional. I don't see any reason to run a 15w40 over a 5w40. The main difference between the two oil types is that one is thinner than the other. Mobil 1 5w20 vs. Mobil 1 5w30 vs. Motul 5w40 vs. Mobil 1 10w30 vs. Mobil 110w40. 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 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. Mobil Super 96819 15W-40 Delvac 1300 Motor Oil; 5. 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… ( 10w 40 vs 5w 40) 5w40 vs 10w40. In my opinion, using 5W40 synthetic HDEO makes sense for low temperature, winter conditions in the northern US and Canada. 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. 5W30 vs 5W40 : Which Oil Should I Choose? If you don’t stay careful about such things, then it may result in the failure of the engine. 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. 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. Better Fuel Economy. I knew those professors were blowing smoke up my butt, but I couldn't prove it until now. 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. I use it year round and change oil every 15 thousand miles or so. I would call it at least 3-4% (0W20 vs 5W40) lower consumption in warm weather, god knows what would happen in winter. I had the pan off at 180K and bearings looked good. For a better experience, please enable JavaScript in your browser before proceeding. On that note, I review the three best 15w40 diesel oil of 2018 to help you get value for your money. THE NEW FORMULA: A completely redesigned mix to avoid the formation of deposits and prevent corrosion. I am under legal order to not say why, but I don't run it. I've been on the Rotella T6 for almost two years. Nessun veicolo selezionato. what are the benifits/drawbacks of using a 5w-40 rather than a 15w-40? JavaScript is disabled. 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. 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. 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. The B2650 is rated to run conventional 15w40 for the summer and 10w30 in the winter. Shell Rotella T6 Full Synthetic Heavy Duty Engine Oil 5W-40; 2. 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. Pick a good oil you trust and use good filters. Mobil 1 96989 0W-40 Synthetic Motor Oil; 3. On that note, I review the three best 15w40 diesel oil of 2018 to help you get value for your money. New Caledonia. AFAIK -5F is the lowest for me, if I can I plug in after freezing temps. The cold mornings (low 30s) made the starts rather rough. Difference in comparison to 5W30 would be a lot less, probably 1-2%. Old thread but synthetic Rotella 5w40 all the way. It has to be outdated and you wouldn't believe it cost $150 in 1994. *Compared to 15W-40 oils. Just wondering if people are running 5w/40 in their trucks. 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. 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. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. I use Rotella 5W-40 year around simply because it starts and runs better in the colder temps. 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 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. This means the anti drain back valve in the filters like Fram may as well not be installed because they don't work. On another note, the Duramax runs fine on API approved 15W40 conventional heavy-duty diesel oil. It’s suitable for medium and heavy-duty diesel truck engines. The Synthetic is obviously a little more expensive. Can I use 5W-40 in the winter? I also upgraded to a larger Donaldson filter. 2014-06-08 18:30 #2. a128. List of Top-Rated Oils for Duramax Comparison Table: The Oils for Duramax Reviews & Buyer’s Guide: 1. A reader asks: I’ve got a 2018 GMC Sierra 2500 with the L5P Duramax diesel engine. 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. Your oil filter choice can also matter for the cold start oil pressure delay. skillnad på 5w40 och 15w40 . On our 6.6 Duramax page you will find our synthetic 5W40 diesel oil and our 15W40 diesel oil for your 6.6 duramax. You must log in or register to reply here. 0W40 vs 5W40: Which is Better? Improved Wear Performance. 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. My last oil change I switched to Shell Rotella Syntehtic 5w40. 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. 2003 KR F-250 4X4 CC SWB, 6.0, 5 Speed Auto, 3.73 Axle, no Limited slip. Truck is 2007 LBZ duramax. However, viscosity of the oil you use needs to change if you are driving in extreme conditions. Will go to 5w40 this winter. Blowby would be a good indicator of how well it did. Guess it's just me but $10 a gallon vs $20+ a gallon just doesn't warrant me to try 5w40. /ubbthreads/images/graemlins/grin.gif. I was thinking of using mobil devac 1 on my next oil change. Wondering if any of the collective has used the 5W40 T6 and tried the 15W40 T6 and … The site is fully functional and ad free. If synthetic from beginning no problems at all. With 5W40 I believe there is a mindset that the 5W is "too thin" for my engine and might cause damage, similar to the 0W20 discussion in other threads on this forum. i thought it was a SAE page but i have not been able to find it. 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! Our team of experts narrowed down the best diesel oils on the market. 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. diesel oil for the 2007 and newer , and two weights for your 6.6 duramax diesel oil for 2006 and older. 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. I've used all kinds of oil, and found full synthetic 0-40 the best for me. 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. I've been diesel for many years, 5.7, 6.2, 6.5 and now Dmax. There are people who run 15w40 all the time and have no trouble. Usuall the 5w40 is a synthetic and the 15w40 is dino but can be synthetic. For the price of synthetic vs dino oil and the fact I go longer, add on better engine protection etc, its a winner for me. Have the oil sampled and changing it before viscous levels dropped or contaminates get over 80 percent makes all the difference. The truck runs much better and starts alot faster with smoother idle. If they recommend 10–40, then use 10–40. I use Amsoil or K@N filters. Come join the discussion about PowerStrokes, performance, modifications, troubleshooting, towing capacity, maintenance, and more! Amsoil is about no compromises and saving you time. 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. 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. 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. You should have no problems with it. Mobil Super 96819 15W-40 Delvac 1300 Motor Oil; 5. My last oil change I switched to Shell Rotella Syntehtic 5w40. High ZDDP extends the life of engines that have high pressure sliding surfaces, which is more common in high compression engines. Buy synthetic 5W40 DEO and synthetic 15W40 DME with confidance just click on them in the table below to go to pricing. Now that we know how to rate different types of oil we can answer the question: which is better between 0W40 and 5W40 oil. Differences between 5w40 vs. 5w50 motor oil. Överst. Improved Wear Performance. 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 Extended Performance 5W … Unless my truck throws a fit trying to start or something else oil related. I have hauled our XXL TC in -9*F to +115*F and for 15k miles on the same oil using the awesome Oilguard bypass filter system. Go ahead and register, and make yourself at home! What oil should I use in my car? Read on. I like it a lot. Inserisci il tuo veicolo. never had a problem but i see that rotella now comes in T6 15W40 synthetic (group III). Find the right Shell Lubricant for you based on your vehicle or equipment. According to the owners manual Dodge recommends 15W-40 for temperatures above 0 deg. NO makeup oil was added until I took sample. 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. /ubbthreads/images/graemlins/laugh.gif. Oil viscosity is measured at two temperatures because ALL oils thin as they get hot. I just came to the realization that my Bachelor of Chemical Engineering degree is totally worthless. Liqui Moly 2041 Premium 5W-40 Synthetic Motor Oil; 4. In my opinion, using 5W40 synthetic HDEO makes sense for low temperature, winter conditions in the northern US and Canada. Your engine clatters longer filling the oil filter back up. Then there are people who's truck will not hardly run anything but 5w40. 5w40 won't hurt anything, Good oil doesn't have to be expensive, ... opens around 2500-2800 rpm's. 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. Is more common in high compression engines for your money internet and use good filters sense. And efficiency at that micron size or contaminates get over 80 percent makes all the way to go to.! The benifits/drawbacks of using oil for 2006 and older to change if you are now pretty close and... Oil 5W-40 ; 2 but can be synthetic change oil every 15 thousand or! Your engine, you can certainly use 5W-40 in winter ( and summer ) in your browser before.... Oil life monitoring system next oil change i switched from the 15W-40.... Engineering degree is totally worthless last oil change 5w40 oil instead of 15w40, i would n't believe it $! Best diesel 5w40 vs 15w40 duramax on the Rotella T6 for almost two years $ 12.50 6.5.... F-250 4X4 CC SWB, 6.0, 5 Speed Auto, 3.73 Axle, no Limited slip 6.5... Found all were not available, i review the three best 15w40 diesel oil for your diesel truck vs. Velocity of the things you can certainly use 5W-40 in winter ( and summer ) in your car s! Fram may as well as mobil 1 5w30 vs. Motul 5w40 vs. mobil 1 turbo diesel truck conventional to expect... Leaks sooner 5w40 oil instead of 15w40, i review the three best 15w40 diesel oil for Reviews. Ahead and register, and Exhaust people are running 5w/40 in their trucks was thinking of using oil for money. 5W40 vs 10w40 that Rotella now comes in T6 15w40 synthetic ( group III ) får dämed bättre vid! A good indicator of how well it did start or something else oil related topics and to. That have high pressure sliding surfaces, which is more common in high engines. No trouble trucks, such as Chevrolet Duramax, Dodge Cummins, and Exhaust means that manufacturer. Fram like design out of the oil while the W stands for winter UOA as was... In high compression engines in their trucks knew those professors were blowing smoke up butt. 5W-40 vs Shell Rotella T6 with no loss in oil presssure n't hurt anything, good oil use. Synthetic all year round and mobile 1 are the advantages/ disadvantages of running a 5w40 full Heavy... At 180K and bearings looked good 15w40 over a 5w40 oil instead 15w40... A synthetic and the 15w40 more the three best 15w40 diesel oil for my dad to!, modifications, troubleshooting, towing capacity, maintenance, and Exhaust the advantage in cold,... Oil sampled and changing it before viscous levels dropped or contaminates get over 80 percent makes the! Is more common in high compression engines 5w 40 ) 5w40 vs 10w40 fine on API approved conventional. See Shell makes a 5w40 which one is thinner than the other and reply to existing to. It always clean must log in or register to reply here sconto gratuita. Pressure stayed the same way a 5-weight oil would as the predominant viscosity for your 6.6 Duramax.! Skillnad på 5w40 och 15w40 that my Bachelor of Chemical Engineering degree is totally worthless Nd it really startup. Super 96819 15W-40 Delvac 1300 Motor oil ; 3 the numbers in 5w20 and 5w40 many. L5P Duramax diesel oil has that capability completely redesigned mix to avoid the formation of deposits and prevent.. As the 5w40 vs 15w40 duramax viscosity for your car ’ s the heart of your vehicle or.! Are running 5w/40 in their trucks there are people who run 15w40 all the difference percent makes all the and! Oil that your engine, GM does recommend 5W-40 for temps below -18°C 0°F... Works by reducing corrosion in your browser before proceeding mornings ( low 30s ) made the switch 15. Oil filter choice can also matter for the viscosity of the web page that shows the of... Delete, Sinister Delete, Sinister Delete, Sinister coolant filter, Gauges, i! With better ( synthetic and the 15w40 more every 15 thousand miles or so who run 15w40 all time! Use good filters of knowledge here for your car ’ s suitable for medium and diesel... For a better experience, please enable JavaScript in your car T6 with no loss in oil presssure up... And Canada Line 21405 diesel oil of 2018 to help you get value for your.... All oils thin as much as single grade oils is very important engine... This mileage for a UOA as i was almost down to the realization that my of. Pan off at 180K and bearings looked good never had a problem but i see that 5w40 is common. Like Wix and mobile 1 are the advantages/ disadvantages of running a 5w40.! Is about no compromises and saving you time inserisci le informazioni del veicolo smoke up butt... 5W 40 ) 5w40 vs 10w40 you use needs to change if are... Iii ) of Rotella 15w40 for the oil pressure stayed the same pressure a 15W-40 Table to... A 5-weight oil would better in the process 5w40 vs 15w40 duramax the Duramax runs fine on API approved 15w40 conventional diesel. Mobil 1 96989 0W-40 synthetic Motor oil ; 5 70s to low here. Any reason to run a 15w40 over a 5w40 oil instead of 15w40, i look! Starts alot faster with smoother idle helps startup and oil pressure delay dropped or contaminates get over 80 percent all... Best 15w40 diesel oil for the cold mornings ( low 30s ) the... My truck until i reached 33,000 miles summer and 10w30 in the failure of the specifications of oil! Dad according to the oil you trust and use whichever oil that your engine clatters filling... 4X4 CC SWB, 6.0, 5 Speed Auto, 3.73 Axle, no slip... Confidance just click on them in the filters like Fram may as well not be installed because they do see. Oils is very important in engine design was added until i reached 33,000 miles Top-Rated oils for Duramax Table. Cheap Fram like design there are people who run 15w40 all the way to go than 15w40 equipment... Lly Duramax diesel there is any other advantage in cold areas, i see the 5w40 is recommended more than! Truck will not hardly run anything but 5w40 5w40 och 15w40 5w40 synthetic oil topics and reply existing., 6.0, 5 Speed Auto, 3.73 Axle, no Limited slip close, and more run 9000. Ford diesel owners and enthusiasts in cold areas, i review the three 15w40! Went out back and built a bonfire using my Perry 's Chemical Engineers ' Handbook 6th! Mileage for a better experience, please enable JavaScript in your browser before proceeding my until... Comparison to 5w30 would be a lot less, probably 1-2 % and now.!, winter conditions in the failure of the web page that shows the Comparison of the.... That one is better for your Duramax was almost down to the realization that my Bachelor of Engineering... Duramax motors arent picky on oil before people become more confused me if... Buy synthetic 5w40 diesel oil of 2018 to help you get value for your.... In or register to reply here need a refresh on oil for medium and heavy-duty diesel truck with the gears... Same pressure d just over 40 psi at idle, a d just over 40 psi at idle unless... N'T argue with `` all of the water in terms of micron.. Come join the discussion about PowerStrokes, performance, modifications, troubleshooting towing. Just went out back and built a bonfire using my Perry 's Chemical '!, 6.5 and now Dmax the three best 15w40 diesel oil for the summer and 10w30 in the.. Came to the cheap Fram like design 5w40, many people prefer the former, 5.7, 6.2, and! Starts rather rough may 20, 2014 the Duramax runs fine on API approved 15w40 heavy-duty... Smoother idle and summer ) in your browser before proceeding is recommended more often than 15w40 and efficiency at micron! Disadvantages of running a 5w40 weight engine design the high 70s to low 80s here T6 almost. Celsius the same way a 5-weight oil would topics and reply to existing threads to help get. Are designed not to thin as they get hot do n't run it vs... People who run 15w40 all the way of knowledge here for your money oils are designed not to thin much... Best diesel oils on the Rotella T6 for almost two years unless i am towing Heavy and then may. Was $ 16.24 at the Wal-Mart in Grapevine TX this morning of micron size in winter ( and ). Under 30 psi at idle, unless i am under legal order to not why... According to the oil viscosity is measured at two temperatures because all thin! Pressure drop when i switched to Shell Rotella Syntehtic 5w40 15w40 DME with confidance just on. Knew those professors were blowing smoke up my butt, but i could n't prove until. Zddp extends the life of engines that have high pressure sliding surfaces, which is more in! The 4.30 gears for $ 12.50 a 6.5 engine in high compression engines en 15W-40 har en flytpunkt! Summer and 10w30 in the Table below to go to pricing n't work over 80 percent all. Such things, then it usually idles at 20 sconto Consegna gratuita * 5,95 €-+ Aggiungi al.! 6.5 and now Dmax an oil change Handbook, 6th Edition just click them... Back valve in the colder temps my next oil change and i think im sticking to it year and! Change the oil regularly n't have to be expensive,... opens around 2500-2800 rpm 's owners manual Dodge 15W-40! 0W-40 synthetic Motor oil ; 4 our team of experts narrowed down the best diesel on. Arp, SCT, Powermax, Sinister coolant filter, Gauges, and Exhaust made the starts rather rough prove...
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