Check this site out.
GM Heritage Site
Should be same or similar to Chevy trucks, and the information kits have info on frame dimensions, springs and other factory options like transmissions or 2-speed axles.


Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
Photos
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.