If you haven't found it yet, the GM Heritage Center is a good resource.
As far as pickup beds, they were the same from '41 thru 53. '54 (I think) had embossed bed sides, and '54-55's had flat rather than sloped top rails.


Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.