Radiator Ducting.

[SHOZ123]

What you need to do is seal off the area from the bumper to the bottom of the radiator with so sheet plastic.

 

[SHO Continental]

so you disagree with the statement "time = heat transfer, weather its 100* drop in one pass or 10* drop on each of ten passes." ?

I wasn't so much as disagreeing with that statement (actually both) as just plain saying they're wrong.