Never any rust at all, never any repairs to floor pans, body or anything else underside is in very good condition. I have always ran 5W20 Full Synthetic. 1. 350 CI GM Turn-Key Crate Engine - 330HP 2. 700 R4 Tranny 3. 9" Ford Curry Rear End 360 Gears 4. I Did IT Tilt Steering Colum 5. 16" Original Steering Wheel that's was cut down 6. All New Car Wiring 7. Power Windows 8. Power Wing Windows 9. Power Door Locks 10. Viper Alarm 11. Digital Dash 12. Up-dated AM / FM Radio with Blue Tooth That looks like Original Radio 13. Vintage Air / Heat 14. Stainless Steel Large Horizontal Radiator / Electric Fans 15. Disc Brakes All Around with the Larger Chrome Calipers 16. Serpentine Fan Belt 17. 605 Power Steering 18. XM / Serious Radio System 19. Dual outside Mirrors 20. 18" Foose Wheels Front / 20" Foose Wheels in Back 21. New Interior 22. Kick Panel Speakers 23. Red Accent Fluorescent Lights under seat ( Red ) 24. Red Accent Fluorescent Lights under Car ( Red ) 25. Insulation on Floor for Heat and Sound 26. Updated with IPhone Cord Charging Station 27. Electric Antenna 28. 2” Drop Spindles