erm, expandy foam covered with duck tape and then under sealed repaired sill
battery tray held on with seam sealer in a rst
r5 gtt fuel filter replaced with a one way valve. gave enough fuel to run and idle but put your foot dowbn and nothing, took 3 months to find the fault.
mate bought a xr4i years ago that had "competition mounts" that turned out to be bolts with washers between cross member and engine. also had had "exstensive welding" for the mot done but turned out to be card board and seam sealer then undersealed underneath.