Talk:Retro Rivals/@comment-113.175.40.154-20150707054759/@comment-195.250.37.163-20150707095833

I always buy all R$ upgrades on those special challenges. It saves a lot of time and frustration (wining most of the races with an unserviced car).

It helps to keep low level of AI bots by slowing them down on bends and swipping them out on straits :)