When looking at Brad's picture of the big truck shroud, do not scoff at the diminutive design of it. It makes a huge difference in the airflow and cooling ability while sitting still.
I put one on my '49 with a 350 in it and the fan now will suck the sheets through the key hole from the other side of the house (as they say).
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission