Quote:
Originally Posted by 2009Toyotoad
Not a diesel guy. There are some really good ideas in this thread and some questionably dangerous ones.
Here's what I do know. My family spent a few years on Fairbanks, AK. So here's what works.
Fuel tank heaters, OEM designed coolant heaters and OEM designed hood insulators, battery blankets and heaters, Grill blocks, and of course the right motor oil. I highly recommend a remote starter too.
The little wasted fuel from a long idle, will be recouped 25 miles down the road with a fully up to operating temp power train.
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Diesels will generally not maintain temperature at idle. Additionally, they will not warm up from an extended idle starting from cold. My VW TDI (ALH) uses 25% of the fuel of a gasoline engine at idle (about 0.1gal/hour).