Factors influencing fuel efficiency Can I use a higher viscosity oil like 0W-40 if my car manufacturer recommends a lower viscosity?

Jul 13, 2021 ... SBD build their Duratecs with 5w40 specified for their race engines. Depending on oil quality, there are a lot of good synthetic 0w40 oils out ... Feb 8, 2024 ... Where are you located? You got some advice to use 0W40 oil. That was bad advice. It is too thin for 6.0 1. Change oil at 5000 mile intervals ... Fully synthetic, multi-grade, low-viscosity premium engine oil. Ideally suited for car petrol and diesel engines with and without turbocharger. Oct 27, 2024 ... So it was wearing more and had more noise with the Valvoline. I'm using up my pennzoil then trying redline once out of warranty. 6 mos. XPS 0W-40 synthetic engine oil is the best choice for high-performance snowmobile, ATV and SXS 4-stroke engines used in cold weather. For use in John Deere Tier 4 engines and all diesel engines requiring API CK-4 oil. Apr 13, 2023 ... Which motor oil is better 5W-30 or 5W-40 if the outside temperature reaches up to 45 -49 °C in my country? without further information, a strict ... Jul 20, 2023 ... I'm about to hit 1500km on my new 86 and wondering what oil to use, there seems to be so much conflicting information out there. ... information. The limitations in accordance with our terms of use (below) are applicable to the Product Information Sheets and Valvoline specifically ... Jan 9, 2019 ... Hey guys my owners manaul and oil cap say 10W-30 is preferred, but All Data or Mitchell says to use 0W-40. What viscosity oil do you use in ...