you're over thinking it all, just get it the way it should be, the reasoning was done by the Generals engineers 70 years ago - the ol 6 will run best warm but it has to be forced to warm up, and until it gets there use the choke when loading it, that's why they put it there .... my experience has always been that the 6's with a stock cooling system tend to run too cool with a stat less than 180, if you only get to 170 in 15 minutes you've got a 160-165 stat or a defective one that doesn't close properly
Bill
