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Old 09-08-2008, 07:34 PM   #2 (permalink)
aerohead
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winter mpg

The thing is,when everything is "warm" it's still cold.The ambient temps will not allow the equilibrium temps you enjoy after full warm-up in spring and summer.It's a bad time to mod also,'cause it will be spring before you can make a fair appraisal of progress.Expect to lose at least 3-mpg.Combine all your stops into one big orbit if you can,to take advantage of any heat the car will develop.After only a few minutes your back to a "cold-start."
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