My Dad had a number of rad cars including a 40 series Landcruiser with a small block Chevy swapped into it (circa 1980), and a 69 Roadrunner with a built engine, I wish I had pictures of them. The one I remember most was his Saab 900 Turbo. I remember him going through the gears and my head being forced back into the seat with each shift. He used to tell me that Saab made jets and that's why his car sounded like a jet, lol.
He had a custom Harley shop for about 20 years and that's where I spent a good deal of my time working on my cars. He used to shake his head at me and asked why I liked Hondas. My sister ended up gifting her super clean lowered EF Si to him and I can still remember hearing the intake noise down the block as he banged through gears. He ended up loving Hondas and "got it" just as I started getting into BMWs, which resulted in another head shake. Anyway, great thread idea, I lost my Dad to ALS almost 4 years ago, we were super close, and one of the main things that brought us together was cars and working on them together.