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Why do 2.7's idle at like 1600 rpm when you first start them?

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Old 07-29-2011, 08:05 PM   #1
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Why do 2.7's idle at like 1600 rpm when you first start them?

Whenever I am starting cold my 2.7 idles at roughly 1600 rpm for like 20-30 seconds then slowly drops. I am assuming it has to do with warming the engine up, but I thought you didnt really need to let modern engines warm up.
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Old 07-29-2011, 08:07 PM   #2
With sufficient thrust, pigs fly just fine.
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It helps oil pressure build more rapidly.
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