[Sammus]

nope, the servo saver is part of the steering bellcrank. I guess you could mod it to have no spring there or something, but I wouldn't recommend it. the new kits come with a new spring which I'm guessing is to address the servo saver thing. I run a hobbivo CS160 in mine though with the old hard spring and a alloy horn and have never had a problem with it. It's probably one of the toughest cars I've driven, but once I lost radio signal and it slammed near full speed head on into the face of a gutter.

I bent front right lower hinge pin, broke front right lower arm, and bent front right turnbuckle and motor mount(? weird - it wasnt really part of the impact. I think the L can feigao is too heavy for that little car though).

and as for how difficult it is etc, you mentioned earlier that youve been into rc for 5 years. Well the chassis isn't really customising anything, its already built for you, and is a bolt on replacement. IT's exactly the same as replacing a normal chassis - easy as. Same with changing diff oil, I run 7k in the centre which seems really good, id prefer 10k though but it's pretty good how it is. Lighter diff oil will give you better turning on your high traction carpet, but be careful the front wheels will unload easily. Even with 7k, on the road with anacondas mine will wheelstand before the diff unloads, so 7k should be more than enough weight.