48 ft.......

Man, I feel for ya.

Replacing the screws in my 24 ft was about as much fun as a root canal without novocaine.

I would put stainless in and be done with it.

67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174