Most owners of bone-stock, or near-stock, LS1 vehicles have heard of handheld tuners. These wondrous little devices are best known for the ability to flash in a performance tune into the ECM-removing ...
Recently we showed you how easy it was to tinker with the late-model LS1 and make power by simply installing a throttle-body, a larger mass air meter, and using Hypertech's Power Programmer III. In ...
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