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Coastal GL-5 Gear Oils are compounded with highly refined base stocks and additives to ensure extreme pressure characteristics, anti-wear, corrosion inhibition, rust preventions, low pour point, and anti-foaming performance.
11 Οκτ 2002 · SAE-J306 as revised in 2005 specs that each grade has a dynamic viscosity of 150,000 mPa*s (aka cP) at the following maximum temps: 70W: -55C. 75W: -40C. 80W: -26C. 85W: -12C. If the oil does not carry an 'xW' prefix, there is no low temperature spec that I'm aware of.
80W-90 gear oil is a specialized lubricant designed for optimal performance in varying temperatures, primarily in vehicle gearboxes. Its unique viscosity rating ensures smooth gear operations, making it a preferred choice for many automotive applications.
6 Ιουν 2015 · yeah a 80w90 will have high vis at 40C than a 75w which as you say is closer to what temp your car runs at. BUT for the 30 minutes you are warming up the 75w will have higher flow, faster flow to protect gears and will enhance mileage.
5 Νοε 2023 · The 75w90 gear oil has a lower low-temperature viscosity rating of 75, making it excel in colder climates. Alternatively, 80w90 gear oil is versatile and performs well in cold and hot temperatures. So, how do you choose the right viscosity for your vehicle?
Delo Gear EP-5 SAE 80W-90 is designed for use in automotive hypoid drive axles, steering systems, non-synchronized transmissions and transaxles which require a fluid with API GL-5 performance. Operating temperatures of above 100°C will lead to a significant reduction in the fluid service life.
temperature gear lubricant must not exceed a maximum viscosity of 150,000 cP at the temperature indicated. A 150,000-cP fluid appears like a semifluid grease, which will barely pour.
