I know the head will enterchange & the 72 would be a better choice as it is designed for no-lead fuel. I don,t know about the rest but you could get a good idea by checking the specks. Compare the bore, main & rod brg. sizes. I,m shure someone will come in with some more advice.

They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
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