Originally Posted by Cab_Burge
That looks like corrosion to me from being ground on and then sitting in a moist climate twocents
try scratching it with a sharp point and see if it is brass or corrosion wrench scope


iagree Not sure about the corrosion part but can't believe someone would go to that amount of effort to save a block unless it was a BOSS 429 or Lambo etc. No to mention what kind of stress would be required to crack a valley like that? i woul dthink there would be additional damage elsewhere. Do what Cab suggested twocents

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