flathead 53
Well-known member
I replaced front springs on my 53 f-100 driver side was one and a half in lower then pass side measured at frame horns . Installed brand new springs from mac ,truck sat level, took truck out for a ride ,came back checked measurement ,one inch lower again. I stood on bumper on pass side and jumped up and down on it ,re measured everything within three eights of an inch ,everything looks good .went to pass side jumped up and down on bumper ,driver side went back to being one and a half lower ,can't figure it out. 
also installed new shocks.