Am I Being Unreasonable? Original Owner Wants Car Back

I have a friend who has his moms all original 65 Coronet slant 6 car. It’s the perfect candidate for a AWB conversion, but I assumed because it was his moms, and is all original, he would be keeping it, and keeping it that way. When I asked him about the car, he matter of fact told me…”well, I was gonna stuff a Hemi in it and go racing”, then threw out a $7500 price for it. I was kinda surprised because he’s not a Mopar guy, not even a car guy, but keeps the car in a prominent place in his shop. You just never know I guess!