Factory Pcms
Flash-Based Factory PCMs - Tech - In A Flash
All '94 and newer Gen II LT1/LT4 powertrain controllers appear similar from the exterior. Similar looking four-connector, finned aluminum body controllers were actually found under the hood of many GM vehicles, including non-V-8 applications during the same era. These units featured a unique access panel giving way to the popularly swapped (for an LT4 version) 'knock module.'... View Related Article
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