Thanks guys, I appreciate all of the replies.
I'm still on the fence on this, however I will run a heat stove off of the drivers side head and hook it up to the stock '70 GTO twin-snorkel aircleaner that I'll be using.
Yes, it does get a bit chilly (in So Cal anything below 50 is cold!) during the winter here in the high desert so I want to keep her running smooth during the morning commute.