Has this shop done Pontiac motor's before? They are a lot different than a chevy! The rod have to go a certain way or it will mess everything up! Also did they line bore the main's to make sure they were straight(big thing with the pontiac motor's. My good friend build's all my motor's he might be willing to talk to you over the phone! He's a nice guy and will tell you straight up! call me 520-490-9097 Bill Speer