RM Sotebys is auctioning off a lot of Paul Newman stuff, and wrote up an article that is fascinating - I learned a lot in it, like, his race car number was his age, and Nissan made a Skyline R30 Paul Newman Version, a variant sold only in Japan beginning in 1983.

Newman was 70, and the oldest winning racer, in 1995's 24 Hours at Daytona Rolex (making his lifelong business arrangement with Rolex even better) 

read the whole article, it's worth it https://rmsothebys.com/all-stories-videos/blog-editorial-videos/amazing-grace-racing-through-life-with-paul-newman 

https://www.autoweek.com/car-life/a1888811/rare-paul-newman-version-1985-nissan-skyline-turbo-can-be-yours/

https://www.zero260.com/posts/newmans-own-r30-1985-nissan-skyline-paul-newman-edition

https://www.ebay.com/itm/203443563399

https://japanesenostalgiccar.com/fast-eddie-and-the-skyline/