Your questions have been answered more than a few times by more than a few different people. I was going to go through this whole thread and do a Q and A of your questions and multiple people's replies, but that would take a while because there are so many answers. It's called Knock RETARD. Key word is RETARD. I AM NOT MAKING FUN OF YOU. The key word is RETARD. The PCM sees KNOCK. The PCM RETARDS itself to eliminate as MUCH knock as it CAN. The only way the PCM would possibly eliminate ALL the knock would be to swiftly deploy the airbag and maybe knock some sense into the driver. Of course, GM couldn't do this for legal reasons so that's why the cars come factory with a recommendation to the driver to run premium fuel only and a 3.8" pulley on the supercharger. At 5,000ft, this does not make you able to run a 3.2" pulley on the ****tiest octane available.
We have answered all of your questions but your still in disbelief and the only thing that is holding that car together is the ****ty power it's making and a well built factory 3.8L
