Re: Rusted block, repairable?
B block casting variations are common,some decks are thick,others are thin.Sonic testing is very touchy and as a result isnt reliable unless performed correctly which is very time consuming.I have a B block with 21 crack pins in the deck.Most of the pitting in the combustion chamber is ok,your concern is the fire ring area of the headgasket.Way more reliable to pressurize a late 31 A block than to deal with a B block
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