Alright on my 64 impala Im needing to replace the full qtr on the driver side.. What is the best way to go about this? I have no experience with doing this . The welding part isnt a issue.. Im just curious on how is the best way to support the roof/back dash and so on.. Should I tac in a support rod from the trunk floor to the bottom of the back dash? Whats the best way to go about supporting all this.. Tips please and any important notes would be greatly appreciated.. Pics to...