I had do my lt1 motor paid for 300.00 to do port job got back all different sizes on port had the balls to give it to me like that did not paint back of motor called to talk to lance he hung up phone drove car to him after install motor to hear noice coming from motor would not get his fat ass off chain motor still under warranty took in 3time even trued to stew on the 319.00 timing chain know I have to pay to have it fixed and replace the heads they screwed I will not know if the parts I payed for are thier until I pull the motor the r r is3000.00 I was going to pay them to do that he he would not do that please close this asshole down.