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10/08/2021 12:17 pm
Topic starter
I'm just curious and I feel like I should know more by someone who's a pro and knows everything they're talking about, why does most of the engine's wear come from starting the car?
1 Answer
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10/08/2021 1:11 pm
Gravity being what it is, the lubricating fluids drain to the bottom of the engine. When started cold, metal to metal clearances, measured in thousandths of an inch, are outside of normal operating temperature tolerances. Until they expand and reach specification, oil consumption and wear occur. Which is the reason I always let my vehicles warm up before putting any load on them. I don't care if it wastes a small amount of fuel. My engine is worth more.
