Layman & amateur

I feel a little bit tired because my curiosity on an automobile goes into deeper and deeper to some confusing area these days, automatic trans-axle clutch facing replacement, strictly precise compliance balance in rubber insulating bushes arrangement and mechanical noise and vibration elimination while dynamic movement the axle geometric construction, all of the matters are the research and development work for a factory manufacturer engineer's. They are all salaried as the main occupation, but I'm not so, how come?
Remembering the past 10 years ago, my research started on the point of precise wheel alignment to establish a linearity while straight running of an automobile. All the roads are occupied by strange steering reactions with bad habit, right or left side directional bad habits, so a passenger car should be so adjusted as to go straight, if lateral distorting bad habit might exist.
I mentioned that the frontal sway bar supporting rubber bushes in SXE10 TOYOTA Altezza were reinforced in order to eliminate dead zone, the result obtained was just a destruction of hole compliance balance designed by the constructor. Only a piece of rubber sheet insertions between bracket and bush brought unpredictable result, rear compliance in original condition has influenced not a little. But the attempt done was reversible experiment. Now I realized that the setting of compliance had been performed by the factory engineer with desperate efforts, no laymen nor amateur could not hold a candle to them, more attempts desiring better will not be a good idea, it's worse!
When and where shall I decline and get out this situation?