I have to say reeading this I am a bit confused.
One has a car with too much front grip (aka oversteer) then trys drop spindles that if anything should increase the grip. but tested on a car with too much front grip to start with..
I would think the only way to tell is to have a balanced car first then try the drop spindles.
if you get oversteer then the drop spindles work and if you get understeer they do not.
as a rule any grip Improvement in the front will cause oversteer and any Improvement in the back understeer. so the long R & D is the fix the front then fix the back. Back and forth untill you can't get any better then undo one some to match the other.
So in this case it IS A balancing act
