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Re: Cold weather = bad gas mileage?
Most new cars (like 2G DSM's) will run the same coolant throught the bolck over and over till it's warm. 3S's (even 91's) do it, and so do a lot of other cars. Helps them warm up quicker. Also, one reaon they use more fuel when cold is that when it's cold, fuel atomizes poorly, so to get the same amount of burnable fuel in the cylinder, you have to put more in.
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