[Christ]

Originally Posted by Dan9

this is an interesting thread, indeed. So many cool ideas!! I'd like to design a 2-radiator system to plumb into my Subaru when the original rad would need replacing. Summers run hot but winters, so hard to get up to and keep operating temp high. I did a cardboard upper grille block, this year it will be FRP. And I have no hood insulation, I may DIY some up.

Install a higher temp thermostat, first off. Like 190*. That should take care of the cold winter problem. If it doesn't, there's likely something else wrong with your car. I'm positive it didnt' do that new.