I like Bob's idea here, especially on a high powered stick car. If you use floating spring mounts, like these,
View attachment 1714594749
you isolate the spring from the housing (basically they become car support mainly) and you use the ladder bars, or a four link to adjust the instant center, further forward (down) most likely here, and that will allow you to not hit the tires any harder then is necessary to get a clean launch.
