I should start by stating that these settings have been tuned/used as of Nov '18. There's no doubt that the force feedback in AC:C will continue to change and improve as updates for the game are released. As/when that happens this guide will be updated to reflect the games current
The goal here was to try and make Assetto Corsa Competizione feel as close to the automatic settings in iRacing when driving a GT3 car as possible. While this may not be to everyone's taste, it should at least provide a balanced baseline from which you can find your preference.
The dynamic damping setting can be adjusted to add some weight at the expense of detail. The settings here are quite light at low speeds but load up nicely with good detail once moving.