ive been around a few rhd conversions, i didnt read everyones post so someone might have already told you. you need to do it by cutting the firewall out and replacing it with the rhd firewall. im pretty sure this car is going to be a rattle trap and i would hate to get t-boned while driving it. if it not going to be a daily than thats ok i guess the welds look good but personally i would not drive it. just my