How many creature comforts do you want? You'd be amazed at how much weight you can save by gutting the carpet and rear (and maybe passenger) seats. If you're worried about sound intrusion grab a bunch of cans of "great stuff" which should help out quite a bit.

__________________
-James

'85 280GE...sold
'96 Impala SS ~ 6-speed 396
'14 Cadillac Vagon. . . . . . . . . . "Life without knowledge is death in disguise." - Hans-Peter Geerdes