You need to first remove the rear cover and ther is some work in there that has to be done to remove the axles like twotone says. Here read up on it here.
Steve

http://chevy.oldcarmanualproject.com/shop/1954truck/index.html


1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration