How do you determine "ride height" to make suspension mods??

johnparts -- I bet if you check your Dart's frame rail to ground dimensions they are really close to my Demon listed above... keep in mind that the darts have a much lower rear wheel opening than a Demon... just compare the body lines to the top of the rear wheel opening and you will see what I mean. I bet's there is a 2" difference in wheel opening compared to the body lines from a dart to demon on the rear.