Web15 sep. 2004 · Will it thicken the base oil and thing out the viscosity index improvers so that maybe you end up with a 15w40 or something? Curious. Skip to main content. What … Web4 apr. 2024 · The 10w40 oil performs significantly better starts in the cold than what the 15w40 does. 15w40 vs. 20w40 The 15w40 has the cranking weight in the cold of 15 as the w in its name stands for winter and has an operating temperature weight of 40, so it will flow better than the 20w40.

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Web9 mrt. 2024 · 15w40 vs 10w30 BMW. BMW recommends 5w30 oil for all of its engines. But if you choose, you can still use the 15w40 and 10w30 motor oils, which are not on the … Web10W-30 is better for all temperatures and conditions where the engine generates little to no heat. 15W-40 is better for extremely hot conditions such as towing, hauling, and … coach convertible waist pack

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Web2 apr. 2024 · With this in mind, the only difference between 10W30 and 10W40 oil is the viscosity during higher temperatures and more pressure. 10W40 is going to be thicker when the temperatures rise. When to use … WebIn this case, 15 means the lowest temperature is 15 degrees Celsius, and 40 means the viscosity is centistokes. This means that the oil is stable both in winter and summer so that it can be used throughout the year. The oil is equipped with an additive package to ensure high engine performance. Web10W30 vs. 10W40. Both these oils have the same weight when cold, and it's a good weight, sufficiently low to get the oil moving through the engine quickly. A weight of 30 when hot is very common, and ideal for many … calculator with imaginary numbers