Okay, I believe I've discovered the scientific solution to my cold feet while on the highway. First, a little context… I'm in Oregon where, lets be honest, it's wet. This week though, we've been under a blanket of cold air that's somewhat uncommon for our area. Single digits at night, 20's during the day.. Yeah, I know, all you NorEasters are like, "Cold?! Whatever. 20 is a friggin HEATWAVE around here.". Indulge me.
Anyway, it's been pretty cold, for us warm-weather-whimps, that is. I noticed on my 70 mile commute that the engine just couldn't keep warm when the temp dipped below 25F. With my heater going it seemed to compound issues resulting in a 'bracingly' cold breeze coming from my heater vents and taunting me with hypothermia at 60MPH.
I'd had enough the other morning I pulled off the snowy path, grabbed a box and blocked half of my radiator. To my surprise it yielded me virtually no results. Since I was late for a meeting I didn't have time to stop and fiddle with it.
On my next trip I grabbed a bunch of floor mats, pulled my grill and stuffed the mats against the radiator. Voila! The car started running at the regular operating temp with heat!
Here's how the data works out:
Fully blocked radiator, heater on full-heat, fan on '3', 60MPH at 25 degrees F and below the car runs at just above normal operating temp.
25F up to 30F, you'll need to block about 65% of the radiator.
35F and above, no blockage seems needed.
So, there you go. For the uninitiated Northwesterners running an ancient EA82, take heart! You CAN stay warm!