Oil cooling is easy enough to add using an oil-to-air aftermarket oil cooler. You want a dedicated oil coolersuch as this one from Kenny Brown Performancenot an old air-conditioning condenser or big-tubed automatic transmission fluid cooler. They dont have nearly enough surface area. Your cooler should be medium-sized, around 10x12 inches in area. Plumb the oil cooler into a direct blast of cool air, but try to avoid blanking the radiator with the oil cooler. Dont mount the oil cooler too low either. You dont want it vulnerable to the odd off-track excursion (youll make a few), and if it is too low, the cooler can be yanked off or punctured by debris.