My first attempt at passing the snap throttle test went miserably. The maximum opacity is 40, my truck blows an 88
. The man at the emissions place tells me it is probably the filters need to be changed, I nodded and drove home. I knew the only way to pass would be to reduce the amount of fuel going into the engine. Installed a set of stock injectors and headed back to the testing station. I snap the throttle as instructed and wait for the results, amazing now the truck blows a 4
. Sam

