When I first got her the floor pans were in bad shape so I used 14 gauge steel bent and welded for a 5.5 inch drop. Being 6'5" this is a needed thing. I decided to use seats that reclined and would be comfortable for long trips so working with a limited budget forced me to look at the old dead Civic on the hill to donate. My parking brake setup. Wiring wiring wiring More wiring under the dash. ECM and other electronics.  I roughed the base of my dash but I still have a way to go.