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    What happens to oil during a warm start?

    Let's use 0-20 Honda Accord V6 as example. On a cold start, the oil is at 0. As the engine warms up to operating temperature, the oil is now at 20. The oil starts at 0 thin on a cold engine because it needs to be thin, to move faster, squeeze through, to protect all the parts (correct?). What...
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    Oil change for my garage queen (3rd car).

    Car was a former daily driver. One Year 3K miles. So I drive it to work once every 1-2 weeks. How often should I change the oil? Fall or Spring? I did web search and the common answers are 2X a year, or once a year. What do you guys say? It's not the cost, it's more like...why change when I...
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    What is the weight of oil if I had to mix it?

    Is it as simple as math? Let's say the engine takes 5qt of 5-30. The weight of the oil in the engine is 5-30. If I was to add 1qt of 0-30 and 4qt of 5-30, is the weight of the oil now 4-30? Does oil blend like that or the different weigh of oil in the engine remain "separated?"
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