Good info.
I do remember you mentioning breaking the hpi axles. I do agree that the adapters are a bad idea, and the entire axle needs to be changed.
Pity hpi does not make a kit like this to fit the shd dogbones:
http://www3.towerhobbies.com/cgi-bin...&I=LXKZR3&P=OW
Or something like this to replace them with cvds:
http://www3.towerhobbies.com/cgi-bin...&I=LXLHF4&P=OW