Hi, '76 and later 440 cyl. blocks are throw away blocks, thin wall castings. Max. over bore is 0.020". Leo QCI At 12:26 PM 11/06/2002 -0700, you wrote: >a 77 New Yorker would NOT have a forged steel crank. >The last year that the steel crank 440 HP engine was >made was 1974. 75-78 HP engines used a cast crank, and >also the vast majority of post 74 HP engines were in >police cars.