Re: 512 block copo camaro 4 bolt 060 overbore
#3963512 with a G30 - 70 - casting date, so I know now it's a 70 block July 3, the numbers on the head pad are gone due to racing and probably 0 decking the block and I know now this block came in 454s with 450 hp because of the 4 bolt mains and huge oil plugs on the side of the block and the 2 bolt main blocks are 390 hp and less. Thanks for all your help, I guess I will race it and not feel as bad as racing a really rare block like a copo. Thanks Mike
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