Video: Bird’s Eye View Of CNC Machine Tuning Up 6.0-liter LS Block

Engine enthusiasts are geeks for a cool new tool or machining process. Go ahead, say it with us, “I’m a geek and I like it!”

This is even more apparent when a CNC machine is turned on and humming away. If those reading this are anything like the EngineLabs staff, standing and watching a CNC machine (or 3D printer) create something from a block of alloy (or nothing, in the printer’s case) isn’t out of the ordinary. In fact, it’s probably more the rule than the exception.

Not only can the almighty CNC technology take that which does not exist and bring it to life, it can also take something that’s old and make it new again, as in the case of the 6.0-liter LS block shown here.

Although you can't see the material flying off the deck in this photo, you can in the video. Watch as the deck changes color and the shiny virgin alloy is exposed for the first time ever!

Although you can’t see the material flying off the deck in this photo, you can in the video. Watch as the deck changes color and the shiny virgin alloy is exposed for the first time ever!

Our friends at Keeter Performance down in the great state of Texas set up the block into their Rottler F69ATC general-purpose CNC machine to take it from used quality to new, ready for “cam and big turbo” status in a manner of minutes.

By using the factory’s block blueprints combined with the programming written by the Keeter Performance staff, the F69ATC is able to probe the part and follow the steps to clean up the decks and set the cylinder bores to the proper dimension.

It’s not a flashy video, but it is neat, and from a perspective no human will ever get to experience. Check it out!

About the author

Jason Reiss

Jason draws on over 15 years of experience in the automotive publishing industry, and collaborates with many of the industry's movers and shakers to create compelling technical articles and high-quality race coverage.
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