Get You New Ones First!!! You Can Then See Where To Remove The Old Ones(templates)---------when Fiting Just Jig And Spot Tack, Hold Wings In Place And Drop Bonnet And Close Doors To Get All Gaps Correct.tack Then Check Then Tack Again----------no Gas!!!(oxy Cet) To Much Heat Will Distort Thin Metal--mig It---------easy Peasy-take Your Time Youll Be Ok.