Originally posted by Country Boy
All I can say it this motor is toast 
I have a Valvegod LS6 block (peeps on the LS1 sites know whohe is) and they are NOT "ready to run" as Ill post a couple pics of the bearings. Some arent the blocks fault, but the bad one is. The line bore is WAY off.
Not sure if I read this right but are you saying you got a block from Valve god and didnt go over it with a micrometer before assembling it? I have heard it was always a good idea to have it checked and line honed before assembling?
Im not trying to throw your mistake in your face just getting clarification. When you plastigauged it did all of the clearences look ok?