Turbo 383 in a A-body Barracuda

ok so did all the measuring and I have to narrow everything 2 3/8 inches on each side and sinse the front frame of the seat does not interfer with the cargo panels i will only narrow the back frame and create a arch with the uphulstery to rap around the edge of the cargo panels the sections between the oronge tape is what i will remove and weld it back together i have to do double splices were the spring bases go so that i am only relocating them about 1 3/16