I put fuel stabilizer in the gas tank, make sure the gas tank is full, to prevent condensation. Run engine up to operating temp. Pour a little Dexron II down carb and shut motor off. You can put about half a quart of Dexon II in the crank case before changing
oil, to clean any sludge buildup and thin
oil to get complete drainage. Drain
oil and replace filter. Cover car. Turn motor over once a month, through winter, with condenser wire off, to avoid damage to the valve springs. I hook up a battery tender too. That's my winter storage program. Works for me!
I have been advised not to start car up during the winter as the unburnt fuel combines with the condensation in the crank to create an acid like substance (sulfuric acid) that eats away at the main bearings. By starting it up occasionally over the winter, you are contaminating that clean oil you just put in.
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"The 427 Cobra is easily the highest performance car ever sold for street use. A decent 427 - not the worst, not the best, will go from zero to 100 mph and back down again to zero in less than 14 seconds. All thing considered, you can put together a pretty good argument that the 427 Cobra is the ultimate performance car, judged on any basis you want to name." Taken from; Corvette, The Sensuous American
