09ShelbyGT500Me Posted July 13, 2014 Report Share Posted July 13, 2014 I just installed a 2.8 KB LC in my 2009 GT 500. , the engine seems to be surging and making a snapping noise. Some fellow Mustang folks were looking at my engine an noticed the supercharger pulley was walking in and out. I shut it off and pulled on it an you could snap it back and forth and make quite a banging noise . I shut it off an had it towed home. I got my feeler gauges and measured the play, it was .115 thousandths. Any ideas on this ?? It was making the noises and surging from mile one of the install. Thanks for any help Quote Link to comment Share on other sites More sharing options...
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