You're right. Full throttle upshifting and heel and toe downshifting.
Check out these 2 videos:
https://www.youtube.com/watch?v=REcvGkYC1iI
https://www.youtube.com/watch?v=Q3hrpkHoyrM
Am I the only one with the "AI going off-track problem"? It makes it really hard to drive races against the AI
because it often leads to a mass collision...
I noticed that the AI often drives into the grass (which often results in a spin => during a race it leads to a mass collision + safety car)
after the fast left-right chicane (Turn 12) and especially in the second last corner (right hand corner at pit entry; between 14 and 14a).
Tested with...
I don't know why no one mentioned it yet, but Barber Motorsports Park 2015 has been released a few days ago!
You can find it in the Steam workshop and here: http://simhqmotorsports.net/downloads/
It's a great track, check it out!
It was the same for me with Palm Springs, old version and new version installed at the same time.
I started the game, did some driving and closed the game again and voila, the old version was deleted and the new one remained installed.
Maybe this will work for you, too!