23/09/2008 10:08. With any build, machining of the block is the foundation to engine reliability. There should be no doubts when it comes to how straight the cylinder is or how precise the bore. In this part of our series, we visit the machine shop with NPD to see what goes into machining the block and what key points to consider when machining any high-performance block. As we outlined in part one of our KA24DE series, after tear down we measured the block and pistons to figure out what bore we needed and what services we needed the machine shop to perform.

The relationship between the engine builder and machinist is key to building a reliable engine. If the machinist cannot execute the measurements that the builder specifies, then the basis of the build will be off. On the same token, builders need to... // Turbo and High Tech Performance Magazine