The smell of a hot engine, and the shaking of the car also add a lot of fun.
One of the best movie montages ever is the opening sequence of the movie "Grand Prix" where they start the engines and warm em up.
In "Rush" they ruined the movie by having a rock soundtrack laid over the sounds of the cars.
"Bullitt"s car chase has never been equaled because the director had the guts to let the V8s and various car noises be the whole soundtrack. The music overlay stops when the chase starts, the complete opposite of every other movie.
Besides what I already mentioned, Bullitt is cool because:
1. the setup where the guy puts on his seatbelt
2. the total lack of dialog - the driver and the gunman understand each other just by looks
3. the deadpan expression on the driver
4. when Bullitt slides off the road, the slightest, most barely perceptible smile on the driver's face
5. McQueen's expression of complete focus and concentration
6. the 68 Mustang and Charger just totally rock. I never understand having a chase sequence with boring cars
7. the lack of CGI, models, and special effects
8. the skid marks from earlier takes
9. the amazing teleporting Green Beetle :-)
10. I love the shot of the rearview mirror when the hunter becomes the hunted - it's just classic
I'll have to (try and) watch the movie again.
Personal favourite is the car chase from Ronin: https://www.youtube.com/watch?v=CVaNBrYLvFg#t=339
Link to Bullitt chase: https://www.youtube.com/watch?v=-Lbs_nYW3-o
What stops me is I don't have the garage space for it, or I'd get one. If you don't need one fully restored, or numbers matching, or all original, the prices aren't too bad.
And in any case there are better ways to harness energy if you want create downforce.
That said, I do think some people overdo it a bit and I actually like that FIA is willing to force innovation, even if it's (initially?) unpopular.
It is the most interesting chapter in the book.
What would F1 be like if they relaxed all the rules?
Edit: Just got through the chapter, the author speculates on what would be possible without bans.
That, to me, is equivalent of saying who cares what the cars look like? It's all part and parcel of the appeal of the sport - if somethings amiss, you've lost a little bit of that appeal.