As far as I know, the only real significant difference is the rear frame humps and crossmember being lower. That was to fit the deeper bed (lower floor). You should be able to bolt a 47-53 bed on a 54 frame without issues.


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.