well thats a good question
i have tried a couple of rc8 s & they were ok but i have been told they are fragile , as for the 8ight i have had 5 from the first through to the eu & loved each & everyone , you do get a bit of slop but 40mph down the straight boucing around jumping do you notice it NO , the 8ight spares are cheap & easy to get , you are welcome to try mine on 16 th