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Old 03-30-2018, 09:20 PM   #1 (permalink)
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Location: Czech Republic (in the middle of Europe)
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fabia - '03 koda Fabia I
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loading the engine early to warm up faster?

Hello guys,
I plan to install an alternator kill switch and the one thing unclear about ICEs is: do ICEs benefit from being warm early or is it better to load them when they are at their peak efficiency (when warm)?
Will the consumption benefit from forcing the alternator off when the engine is cold? It's not just the alternator, it might as well be early steep hill climb vs. later milder hill climb kind of thing.

The one idea here is, the earlier and higher load will be given to the engine, the faster it will reach optimal temperature, thus spending more time being efficient.
The other idea is just loading the engine after reaching the optimal temperature and better efficiency.

My intuition cannot answer any of these questions.
Can anybody clear this up?

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