Remember the pics pix when you're done!
Are you just using just the electric fan? My 350 water pump pulley is real close to the radiator. I might struggle to get a pump driven fan in. And that's with the short pump!
If you can keep yours cool in those temps, I should be O.K over here! grin *

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.