I have 4 Porsches. I am ready to sell, looking for advice on value, and senarios....

[lisa]

I have held on to 4 cars, that require 4 garage spaces, and now I think I need to sell. I have a 1971 914 Race car built by Sport Hous for Fernley. I have a 1982 coupe in blue metallic, and I have a badged Chalon with a race motor.
I also have young adult males (my sons), who get the Porsche thing, but they see Chevy motors in these. The cars I have are all Porsche. I raced. I am a purist, sort of. I also have a 1990 C4 that is so track ready and a proven autocrosser. I want to sell them all. First is the 1971 Race car. No rust, pristine, nothing needs to be done. Tow it to the track and race it. What I wonder is the interest in such a car and the prices you see going on?
Opinions on the market with Covid?