The objective should be kept in mind, cooler air charge allows a bit denser cylinder charge AND timing that is not retarded ( to prevent detenation ), This will give a bit more power.

If the air were 50 degrees cooler there would be a power gain, Iam guessing about 5% more or about 20 HP. This is based on the 10 degree per percent HP gain.

I dont see 50 degrees unless its the winter. 339 CFM * 50 Degrees = about 1600 BTU per minute or about 10,000 BTU / hour, OVER AND ABOVE OUR CURRENT CAPABILITIES. Phew, thats a lot.

Woody Enjoy