Following on from the intercooler thread, for those using full width front mounts such as GRS, what arrangement do you find works best for water cooling?

I fitted my GRS with a gap between cooler and radiator, to allow one kenlowe fan (12" maybe?) to be mounted directly to the rad. The reasoning behind that was to allow full airflow to the IC without being obstructed by any fan(s), and the fan directly on the rad so it wasnt blowing through the cooler first.
I find this ok most of the time (running 1 bar boost), but on a summer track day with airtemps exceeding maybe 25degC, i can only manage about 5 or 6 laps before it overheats Rad was brand new with the cooler BTW, and the water pump is gen ford and less than 10k old, so my cooling system should be fine.

What are your IC/rad/fan arrangements and do you have any issues?