Originally Posted by hink
At .060 over on a 350 block I would sonic test first as we have not seen many blocks that would make .060 over and be used in a performance application.
We had a customer bring in a block and it sonic tested .120 on the thrust side and he said the core shift was good but I said its not a very good indicatior.
At .060 make sure its plate honed as well.
I was surprised at this because I here of guys going .060 over quite often...but to the OP I would trust this guy's advice over most anyone in regards to engine block machining .