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My block supposedly has been sonic checked and was in a naturally aspirated 505 alky digger.
It's .030 over so I was going to take it .060 and hope for the best, but I'd really like to come across a deal on an aftermarket block.
Thanks for the info.


do you have to take it to .060 or will it cleanup at .040?[keeping cylinder wall as thick as can be.]as $$ permits i would like to find a better block also a KP440 or KB aluminum.