I was looking for a set of heads for my later model 455 ,had a guy want to sale me a mtr. I cant see any numbers on the block by the heads ,are there any way to look at a mtr. and tell if its a early or late model without pulling valve covers & or the heads?
May may not help,,[TABLE="width: 600, align: center"] <tbody>[TR] [TD="colspan: 2"]Buick Big Block Casting Numbers, 400, 430, 455[/TD] [/TR] [TR] [TD][TABLE="width: 300"] <tbody>[TR="bgcolor: #c0c0c0"] [TD]Block Cast #[/TD] [TD]Year[/TD] [TD]Displacement[/TD] [/TR] [TR] [TD]1231738[/TD] [TD]70-71[/TD] [TD]455[/TD] [/TR] [TR] [TD]1238861[/TD] [TD]70-71[/TD] [TD]455[/TD] [/TR] [TR] [TD]1241735[/TD] [TD]72-76[/TD] [TD]455[/TD] [/TR] [TR] [TD]1242694[/TD] [TD]70-76[/TD] [TD]455[/TD] [/TR] [TR] [TD]1381624[/TD] [TD]67[/TD] [TD]400[/TD] [/TR] [TR] [TD]1381625[/TD] [TD]67[/TD] [TD]430[/TD] [/TR] [TR] [TD]1383424[/TD] [TD]68-69[/TD] [TD]430[/TD] [/TR] [TR] [TD]1383434[/TD] [TD]68-69[/TD] [TD]430[/TD] [/TR] [TR] [TD]1383790[/TD] [TD]68-69[/TD] [TD]400[/TD] [/TR] [TR] [TD]1384790[/TD] [TD]67-69[/TD] [TD]400[/TD] [/TR] [TR] [TD]1393444[/TD] [TD]68-69[/TD] [TD]400[/TD] [/TR] [TR] [TD]9773524[/TD] [TD]67-69[/TD] [TD]400[/TD] [/TR] </tbody>[/TABLE] [/TD] [/TR] </tbody>[/TABLE]
