Stock 3100 shock absorbers from 50 and later trucks are mounted outboard of the frame. The OP's pic shows coilover shocks mounted inboard of the frame. So it seems like something is off. Here's a pic of a stock axle mounting.
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.
