Originally Posted by treerootCO
We are talking PPM - Parts Per Million here. Demanding I 'rent' 33" tires to accuratly simulate real driving conditions is a disservice to the testing process. Using their own logic, I can assume it is also legal to remove all emissions equipment from my vehicle as long as I "returned to stock condition for testing".
Two different issues. The emissions equipment is directly related to air quality. The tire size concern is directly related to the condition of the west wall of the testing facility and your vehicle's front end.