The collars should pretty much be the only thing affecting the front ride height. But I have heard in rare cases the shocks valving up and almost being somewhat locked higher than they should be. As mentioned get a laptop and load Forscan on it. Do the live valve ride height calibration. At the very least this will reset them and most likely restore most of the original factory quality ride back. Even if you remove the collars, at this point I would still run the calibration. Keep us posted.