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MSD Ignition Controller for GM EFI/Carbureted LS Engines
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6LS and 6LS-2 Ignition Controllers can now be installed on EFI or carb-equipped engines. While it may seem blasphemous to some, putting a carburetor on a GM Gen III V8 is a great option for those wanting the advantages of the aluminum small block without the headaches of wiring a modern EFI system. These compact controllers allow you to map a timing advance curve with MSD's easy-to-use Pro-Data+ software. Other programmable features include a two-step rev limiter, vacuum advance curve for cruising economy, and step retard in case you want to add a little nitrous. The 6LS is designed for LS1/LS6 type engines with 24-tooth wheel (identified by its black crank sensor connector). The 6LS-2 is designed for LS2/LS7 and 58-tooth wheel (identified by its gray crank sensor connector). Both controllers fit with matching factory connectors for a direct installation. Only a handful of connections required: coils, crank sensor, MAP sensor, and cam sensor. Your carb'd LSX will be running in no time!
Runs a carbureted LS engine without complicated EFI hardware
Map a timing curve using Pro-Data+ software
Programmable two-step rev limiter, vacuum advance curve, and step retard
Direct plug-in to factory components
Programmable via a PC through MSD's Pro-Data+ software
Does NOT control fuel
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