mgoose8209-04-2008, 03:12 PMok so check this out, i have got to be one of the luckiest people in the world. the knocking i heard was a rod. it didn't break though, it just bent and got a stress crack in it, and the piston got a descent chunk taken out of it. so i went back to advanced where i bought the pistons, they are are not under warrenty. but because i have got friends in high places I am getting