View Poll Results: What do you think should be the engine temperature when draining motor oil?
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October 20th, 2019 06:32 PM #31
Mostly laman ng discussion is yun pag drain lang ng oil. Nakalimutan na pag tanggal ng oil filter. Unlike oil drain plugs na accessible, may mga oil filters na hinde basta basta. Bukod sa naka siksik ang location, minsan mapapaso ka pa sa ibang engine parts like the exhaust manifold, then meron pa yun need ng SST(special service tool) para lang matanggal ng maayos. After maluwagan is next problem saan dadaloy un used oil na lalabas.
Atmospheric temperature based on cold starts.
If you look into an oil data sheet, it states specs like "KV*100°C"(engine operating temp), "KV*40°C"(cold)
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Tsikot Member Rank 2
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October 21st, 2019 04:54 AM #32It's not in conflict with what OJ888 said. The manual specifies operating ranges according to ambient temp, but the second rating is indeed for viscosity at 100°C:
Oil viscosity and oil grades | Lubricants
Viscosity is notated using the common classification “XW-XX”. The number preceding the “W” (winter) rates the oil’s flow (viscosity) at zero degrees Fahrenheit (-17.8 degrees Celsius). The lower the number, the less the oil thickens in cold weather.
SAE Multigrade Oils - Viscosities and Densities
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