ZX88 wrote:you better have a friend.
that may work in jersey, but it may not work in mass. it certainly won't work in ct. i don't do it anymore, but i am still certified to test cars here. state monitors each dyno with a camera in front and behind the vehicle. they may not always be watching, but they can at any time. as an inspector, there is nothing i can do to pass/fail any car. obdI gives a little more leeway and if you know have a really good tuner, they should be able to tune the engine enough to get you to pass, but it may take multiple attempts.