Converting the GM Gen III LS engine controller to a custom 2-bar Speed Density OS allows you to go big on boost on your modified LSx engine. The 5-minute video below shows you how to complete the conversion quickly and easily.
![](https://www.speedshoptv.com/wp-content/uploads/2020/03/MET_EBOOK_COVER_NEW_3rd_ED-791x1024.jpg)
Converting the GM Gen III LS engine controller to a custom 2-bar Speed Density OS allows you to go big on boost on your modified LSx engine. The 5-minute video below shows you how to complete the conversion quickly and easily.