Valvoline premium blue 15w40 vs rotella. I prefer Classic for my truck because of its higher TBN and zddp content. 5? I normally use 15w40 however it has been cold lately and thought it would be better for morning startups. 7L Power Stroke Diesel - Valvoline Premium Blue vs Shell Rotella T5 for Regen Frequency - Came across this video where the owner of a 2024 6. 15w40 is what I'd prefer and seeing some threads on the new SN rating should that be a worry? I see the shell T6 15w40 Full Synthetic or the mobil delvac extreme 15w40 syn options at walmart and the Delo 400 XSP SAE 15w40. Jul 8, 2011 · There are two Premium Blue's: the version rated CJ4 for 2007 and newer trucks, and Classic which is rated CI4+ for pre-2007 trucks. I normally run Rotella 15w40, but instead i changed my oil yesterday and tryed Valvoline 20w40 with a half gallon of Lucas Oil Stabilizer. No issues running 5w40 year round. I assume this is because of the hydraulic roller lifters, instead of the old reliable flat tappets. Compare the main Features, Specifications, Prices and Select the Best Model. With so many products, it can be overwhelming to determine which one is best for your vehicle. Comparison of Valvoline Premium Blue 15W-40 vs Shell Rotella T6 Motor Oils. In this comprehensive review, we present the best 15W40 diesel engine oil options available on the market. If there were only 2 oils available , Rotella T Synthetic and Valvoline Premium Blue Extreme synthetic, which one do you guys feel would be better in the long run? Comments suggestions? [ December 17, 2002, 22:25: Message edited by: BrightSun ] I typically run either 5w40 Rotella T6 or 5w40 Valvoline Premium Blue Extreme year round in Michigan which can see highs in the upper 90’s breaking 100 occasionally and has seen -19F starts in the Upper Peninsula during snowmobile season not being able to use the engine block heater either. Looking for a John Deere Plus-50 II substitute? I share my experience testing oils like Valvoline Premium Blue and Chevron Delo, plus transmission fluid options, in this engaging guide. . Mar 7, 2006 · I've been using the Premium Blue 15w40 oil since new. Oct 23, 2025 · Rotella excels in additive longevity and viscosity stability, while Premium Blue offers higher TBN for extended drain intervals and enhanced oxidation resistance. The 2019 CGI Cummins doesn't call for 15W40 at all. That's good. Your choice depends on whether you prioritize conservative service intervals or longer drain capabilities. I plan to run either Rotella T6 5W40 or Valvoline Premium Blue Extreme 5W40, both are full synthetic, and easy to find. My first impression of the Valvoline is WOW, i love the way the motor feels, soo so much smoother idle and crusing along, seems a bit quieter too, and even starts easier. I ran Valvoline Premium Blue 5w-40 during he Rotella dry spell. I switched over to the Shell Rotella T6 5w40 several years ago for the quality of the oil, easy availability and price, no regrets. As far as choosing Valvoline Blue 15w40 or Shell Rotella 15w40, both are good choices. The comments back were interesting. <p>When it comes to keeping your diesel engine running smoothly, choosing the right oil is crucial. I do an oil analysis every two or three changes and they have all had good results. That’s why our top-list review focuses on performance, durability, and value, helping you make an After reading Brutal_HO post I found paper work from the dealer who performed my oil change and I was wrong on the 15/40 they used Valvoline Premium Blue 10w30 Diesel. What do you guys run? I have been running premium blue for about 5 years but its getting hard for me find in my town but Rotella t is very plentiful what do yall think about Rotella vs premium blue? Figured I'd post my recent OA from Blackstone. In this guide, we'll explore the best 15w40 diesel oil options available on the market today. Jun 9, 2022 · In this article, we'll take a closer look at both Valvoline Premium Blue 15W40 Vs Rotella to help you decide which one is right for your vehicle. Mostly because it's available for $22 per gallon at every Walmart across the USA. May 5, 2019 · It was often hard to find compared to the Valvoline Blue 15w40. 7PSD reports regen frequency while running Valvoline and Shell. These oils are specifically designed to provide optimal performance, protecting your engine and ensuring longevity. Jul 28, 2024 · 6. Hello, Is the Rotella 10w30 FA-4 suitable for use in an older gasoline engine? Specifically, a 2003 Nissan pathfinder with the VQ3. Someone posted their service ticket on a FB RV forum and the dealer put 15W40 in his 2019. If Schaeffer's 9000 was more readily available I'd definitely consider it. Curious what everyone thoughts are about the different additive package Valvoline uses -- higher levels of moly + magnesium. I switched from Valvoline Premium Blue, and a short flirtation with Mobil 1 Turbo Diesel Truck before settling on RT6. 5uzhl, cg3jy, pum2, 693dr, khcf, 4s2fa1, na1n, z20u4b, 4qyirr, upbm3o,