Need help finding a 1piece trunk floor pan with braces for a 70 cutlass convertible. I found an AMD 1 piece for a 70 and 71 chevelle: 70 (https://www.summitracing.com/parts/a...?rrec=true) and 71 (https://www.summitracing.com/parts/amd-800-3471), but I'm not sure if they will work

 

Take a look at the 69 Chevelle version.
The tail and rear brace for the 70 chevelle I bought for my 70 cutlass convertible were not even close.
I ended up using the rear brace from a member here (Trophyblue442) if I am not mistaken removed it from a 69 Chevelle trunk pan that he did not need to replace on his 69 442 .

 

Did you find a Trunk Floor Pan ? I found parts on THE PARTS PLACE Full Trunk pans are $599 plus tax and shipping.