Unless you are starting the car every couple days, there's no reason to start it during the winter, if it's not going to be driven. After a couple days, all of the oil film on the bearings, cylinder walls, rockers etc. is gone. Starting the car at this point for reasons other than driving it, only creates unnecessary engine wear. Better to put the car away in a completely winterized state and leave it until you're ready to summerize it and use it.
As far as the PCV goes. If we are discussing the engine in your signature, I would be reluctant to put a factory type PCV valve on this. It may or may not be adequate. Instead I would look at something like a Mighty Mouse Solutions or Motion Raceworks PCV system. They can design PCV systems that operate and provide crank case ventilation and oil separation at power levels above 800 hp. Going to the Butler pan with PCV is a good idea, it's what I use. Instead of having a stock type PCV valve there, I have a grommet with an AN fitting that flows to a MMS draft can.
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-Jason
1969 Pontiac Firebird
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