Chassis Building 101. Ride Height

[RobNoLimit]

I agree, setting building at RH, on a level plain is the easiest. OK, I'm not trying to lead away from the original question, just wanted to go a little farther.

The reason I started out on the IC explanation was to get to the next step (and to help you sort out some steering issues). The location of the IC on each side is what sets the Roll Center (RC). The roll center is the physical roll axis of the suspension/chassis/truck. ** see the drawing



As you RAISE the RC, the truck will lean LESS in a corner, BUT, the trade off is, it will also load the outside tire LESS. This will lead to a 'Push', or under-steer. - less sway bar is needed.
As you LOWER the RC, the truck will lean MORE, BUT it will also load the outside tire MORE, and have less tendency to 'push'. - More sway-bar is needed here.

On our normal performance minded build, a RC of 2" to 2 1/2" is a good starting point. You can manipulate the RC a bit, by raising and lowering the crossmember in the chassis. If the LCA is level, the RC will be appx 1/2 of the distance from the ball joint center or LCA pivot (as these two should be the same if the arm is level) to the ground. If you are building the rails, you have a chance to play with this a bit.