Often people explain that it’s because you ride a cold engine. But a long ride also starts with a cold engine. So how can two 5km trips per day be worse than a two 20km trips per day if an engine starts cold in both scenarios?
Or does this arguments works under presumtion that you ride 100km in 20 short trips vs 5 trips?
In: Engineering
Fluids, like the oils inside the engine, change their viscosity as they heat up
When the engine isn’t warmed up, those fluids are much thicker, which means they have a harder time lubricating various parts inside them, longer rides gives them time to properly heat up and become thinner so it can provide more lubrication
During short trips, they don’t have enough time to properly heat up before the engine gets shut off, which is also why it’s recommended to drive and wait anywhere from 15 upwards of 30 minutes before you start hammering your vehicle
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