Hello,
1954 Frame spec, PDF page 90, Sheet page 129
http://www.gmheritagecenter.com/doc...hevrolet-Trucks/1954-Chevrolet-Truck.pdf1955 Frame spec, PDF page 78, Sheet page 135
http://www.gmheritagecenter.com/doc...ucks/1955-Chevrolet-Truck-1st-Series.pdfNo change in frames from 1954 to 1955, but 3600 frame is beefer than 3100.
Go here click on
Show to find above GM Vehicle Information Kits
http://www.gmheritagecenter.com/gm-heritage-archive/vehicle-information-kits.html 1955 1st with 4 speed manual, No rear tranny cross member
pic 1 pic 2 pic 3 I have some pics of 1954 with 4 manual tranny somewhere still looking.
Thanks