272 vs 292 y block


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By AuntEffie - 15 Years Ago
Can the 272 y block be bored out as much as the 292 y block.  In other words, was a new casting created for the 292?
By 314 - 15 Years Ago
yes it can be bored to 292.they are different but not by much.
By crenwelge - 15 Years Ago
Most of them can be safely be bored to a 292. However, a few cannot. Before you spend a lot of money, sonic test the cylinder walls.