Block Talk (Part 2): Why Chevrolet Performance’s Bowtie Big Blocks are a Great Foundation for Performance Builds

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In the first installment of Block Talk, we told you why a modern CNC-machined block is a great foundation for a high performance engine. Using a Chevrolet Performance big block Chevy cast iron engine block as an example, we talked about stuff like core shift; measuring cylinder, cam, main bearing, and lifter bores for roundness; and nice touches like a mechanical fuel pump boss.

This time around, we’ll show you some other features on the Chevrolet Performance Bowtie block that make it ideal for big horsepower engines. Most of what you’ll see is applicable to performance blocks from the OEMs and aftermarket manufacturers. Don’t build horsepower without one!