Quote:
Originally Posted by jamesqf
Not necessarily so. Even in the winter, the Insight only takes about 10 miles (on level roads) to warm up to its normal operating temperature. Since it takes me longer than that to get into town, most of my city driving is with a warm engine.
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jamesqf,the numbers I used are from SAE investigations by General Motors Research Labs.Their findings are,that for any car,at any given ambient condition,that car will not reach it's peak equilibrium temperature and peak efficiency for all fluids and lubes, until it has been driven continuously for 22-miles at 50 mph.Anything less yields higher viscosities , higher road loads,and higher fuel consumption.