-it seems that those three little letters strike fear into many a promoter, track owner, or sanction head whenever they hear it. ECU stands for Engine Control Unit. Also called an ECM (Engine Control ...
The comprehensive, self-tuning kits from companies such as Holley, Edelbrock, FAST, and MSD have made EFI conversion a truly bolt-on, DIY project, while the inclusive control module kits from ...
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