Unfortunately lots, if not all of those 8 speed silver levers are out of the 90’s/2000’s, which is fine, except for having to replace the hoods and nothing is available.
I’ve gone through that with my 7400 levers, which are a lot easier to do a work-around.
I might just throw on the Campy levers and see how my thumb holds up. With a wide range cassette, I’m not shifting between chainrings that much these days.
John