Gutted 20 SF weight estimate?

[FLPanhandler]

Does anyone have a weight estimate of a gutted 20SF hull? Just the bottom, 2 sides, transom, & stringers. No cap, deck, liner, console, etc. I'd be interested to know the approximate starting weight of the vintage fiberglass that would form the base of a redo project.

Also, if anyone has completely redone a 20SF with composite core, biaxial, epoxy, etc. do you have an estimate of the finished weight of your hull? Basically, I am wondering if a person wanted to fully gut a 20SF, make an effort to reduce weight where possible with a biaxial / epoxy / foam deck, cap, & small console.....keeping the boat as spartan & light as possible....how much could you realistically lighten the boat compared to the 1600-1700 hull weight listed in the specifications.

Thanks for any help.