I don’t think your bottom springs are right for that seat frame. My seat bottom is flat and has brackets that hook onto the frame when you push it back under the back cushion.
What he said.
Here's a pic that shows the seat cushion brackets that slip behind the front bar on the seat frame to hold it in place.
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.