As we all know, a warm engine is a more efficient engine. So, a few of us with short commutes (okay, primarily Oil Pan 4) have been coming up with interesting and nifty fast warm up ideas over the past few years. I am starting this thread to compile a bunch of them for people who are interesting in increasing their warm up speed. There are some real gems that have been thrown out there, but not many are doing them. I also think we can add a bunch of these to the 65+ mods list and 100+ hypermiling tips.
In no specific order:
Tips & Techniques:
1) Turning off the car heater until engine is warm
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http://ecomodder.com/forum/showthrea...mup-16044.html
2) Turn heater fan on recirculate until engine is warm
3) Park in a garage
4) Park toward the sun
Modifications:
1) Grill block
2) Block heater
3) Big / double engine block heaters
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http://ecomodder.com/forum/showthrea...arm-817-7.html
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http://ecomodder.com/forum/showthrea...ers-34712.html
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http://ecomodder.com/forum/showthrea...9-a-32503.html
4) Oil pan immersion heater
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http://ecomodder.com/forum/showthrea...ter-33500.html
5) Oil to coolant heat exchanger
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http://ecomodder.com/forum/showthrea...ger-34731.html
5) Engine insulation
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http://ecomodder.com/forum/showthrea...ion-16207.html
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http://ecomodder.com/forum/showthrea...tion-6052.html
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http://ecomodder.com/forum/showthrea...-em-10529.html
6) Exhaust heat exchanger
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http://ecomodder.com/forum/showthrea...ger-29085.html
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http://ecomodder.com/forum/showthrea...very-7107.html
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http://ecomodder.com/forum/showthrea...dea-32243.html
7) Stick on pad heaters
8) Coolant thermos (ex: Prius)
9) Warm air intake
10) Concentrate the coolant to approx. 75% glycol
11) Keep the oil at the minimum level (warning: check oil level more frequently)
I know I'm probably missing a bunch, but that is what my search found. Let me know other tips and mods to add to the list! Please include links if possible.