Here are a few tips that worked on my Calvert setup. 72' Scamp. D60/spool
- John created the baseline settings on his website using F-body and X-body springs. Those GM monoleafs are approximately 4" longer from the front eyelet to the axle than A-Bodies. Which means the longer the spring, the more preload they will require to control it. When I followed the original setup instructions, the rear suspension had too much preload and it separated too quickly. As a result, my car hopped off the line every time. It didn't matter how much Rebound I applied to the shocks. It was uncontrollable until I reduced the preload. Instead of adding 2 flats of preload, I have about 1/8" of space between the top of the spring and the pivot bushing. (The width of a nickel).
- Keep the components "loose". The number #1 issue people have with this system is that they set them up too tight and they bind. They will rattle a little on the street, but it needs freedom of movement to do its job. It's a tradeoff.
- Make sure that you're setting the suspension on level ground with weights in the drivers seat and a full tank of gas. Basically street trim. There's no sense in fine tuning the settings while not using real world variables. I use gym plates and dumbbells to mimic my weight.
- Finally, and this is probably the most important, is to get a proper alignment. If you have alignment plates and a tape measure, you can do this at home. If not, take it to a shop. I usually set my alignment up with the car flat on the ground, then with the front suspension at 25% extension and again at 75% extension to compensate for the travel at launch. I take an average of the 3 and then set it there. Mine is a dedicated track car so this is my system and it works. A street car will different specs for the crown of the road, but the premise is still the same.
Good luck! It's a great system once you get them tuned. Just takes time and patience to find what works for your setup
And of course, every car is different, and can be further compounded by surface. Glad to hear Krusty is up and running! 
