You're barking up the wrong tree. Changing the radiator for looks is kinda silly. Besides, like Minnemonster said, its an oil cooler. Its designed to work just fine the way it is in most temps. If you like the look of a big radiator then find one from an old Vmax and strap it on.
![Shocked](http://ducatimonsterforum.org/Smileys/classic/shocked.gif)