that definitely sucks. but there is NOWAY piston slap caused that! at least you blew it up good! goodluck getting it fixed.1999 Black C51997 Silver RSWiseco 8.8:1 Pistons(back to low compression!)Eagle RodsT3/T4 TurboCustom FMICGreddy Exhaust440'sMost current 1/8th mile time: 8.3@90mph 2.015 60'(Nitto Drag radials, i suck)