Jim, you definitely don't have it figured out unless I'm reading it wrong? Forget about tie rods & CV axles.... first step is UCA/LCA/Spindle. You said you're lowering the LCA pivot point and using the stock spindle. The are you moving the UCA down too? That's the only alternate method to maintaining the kinematic relationship of the system.... if you lower the pivot point of the LCA you must either utilize a longer spindle OR lower the UCA equivalently.
If you don't use one of those methods the car will not drive. Try drawing it out to scale best you can and calculate the equation for the spindle angle in relation to the vertical axis (aka camber). The change in camber as the suspension cycles is a key design factor which aids in driveability, handling and performance. Its allowable delta is also bounded by the steering restrictions since camber changes correlate directly to toe angle changes. If that relationship is also not maintained you'll (at a minimum) have a bad case of bump steer which can not be corrected by other means.
Reply With Quote