[new_rat_rodder]

i was wondering if this a good idea to keep the original floor sub frame when channeling a model a sedan. the one i have is in pretty good shape. its strait and there is just a little bit of rust repair the need to be done. and how do you modify the floor to in stall a drive line tunnel and keep the structural strength of the floor. the idea i have is to put a large radius is a this piece of flat bar to go in between the part of the sub frame i cut out for the drive line if you have built something like this or know of a reference book about channeling a body let me know. thank you