Where did you get this statement? I have a Hyper 8 that I am converting to an 8.5 and know many that have the 8.5. This is the first time I have ever heard this and personally think or should I say know this is not true. So much of the Hyper 8 and 8.5 use the same parts.

First thing to consider when buying a buggy are you going to race or just bash!