Have stanolforths(?) Competition Suspension book handy and I cannot make any sense of the drawing with the fromulas for determining correct r+p placement.

Anybody who has read the book, Can you tell me how to determine the A, B, C? Or any other good references online? Thanks

Am in the throws of moving house at the moment but will help when I find the book!!!!!

Ideally you want the end of the rack positioned on a line drawn between the inboard wishbone pivots, and the same proportion from each as the end of steering arm is from the top and bottom pivots on the upright

Cheers

Fred WB

Do you still need help on this? I have a programme somewhere that will help. Otherwise....
From the race and rally car source book, method 2 is the easiest to use! 'A' is the distance, along a line between the top and bottom ball joint, of a line at 90 degrees to that line to the steering arm! B is the rest of that line! C is the distance along a similar line, from the top suspension pivot to the bottom one, of the inner joint of the rack. D is the remainder of that line. The ratio A:B must equal C to MINIMISE bump steer. NB. the inner joint of the rack should be on the line between the top and bottom suspension pivots Any questions, e-mail me and I will send diagrams!!!!!!!!!

I will post a pic here later this week with what I've done. Thanks

Could someone make a picture(drawing) of the ABCD method cause I didn't understand it, but I'm very interested ...

Cheers