[elhigh]

Instead of running your engine hotter, see if you could rig a cold-air intake for your induction system. An extension from the filter housing that runs right up to an opening (gasp!) in the grille or perhaps in a wheelwell, would permit a cooler, denser air charge. It's almost like having a very light-pressure, lagless supercharger.

If you do decide to run a hotter thermostat and hotter fan setting, consider running an auxiliary oil cooler. Again, you could put that someplace that doesn't require it be out in the wind, like flush with the belly pan (behind a screen for protection from stones) or tucked in a safe place inside a wheelwell.