Originally Posted by Jo Gutierrez
the 4 scale will do your spring preloads more like a tweak board. the balancing tool is to balance the weight of the car from left to right. the first time i did it, i was surprised to see how heavy the left side of the car was. now i have all kinds of weights on the right side to compensate. it's worth it though.
It is possible, if the total of both left scales is the same as the total of the right scales the car is balanced left to right.
Once the chassis balances left to right everything else gets easier!
Diagonal sum weight is the most important reading to get the same.
-Scott