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I'm not sure exactly which sub-forum to put this in. I'm getting irritated with the carburetor on my LS1. I want to go EFI, but I want to keep the carbureted look. If I go with a 4150 throttle body and intake with injector rail, can I use a factory PCM/ECM, or do I need to go with a stand-alone system?
Yes you can still use the factory 411 ecu. Heres a quick shot of mine. Its pretty easy to thin bown the harness to only the wires you need to make it look preet decent.
09-15-2016, 11:17 AM
Which PCM/ECM? 
