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Complementing this badassed injection setup is a killer distributor. For the ultimate control in EFI, you want sequential injection--and Accel has created the Dual Sync for just that purpose. DFI's Dual Sync distributors generate a crank signal as well as a cam signal--the latter is needed for sequential fueling. A smoother idle, better fuel economy, and decreased injector deposits are only a few of the many benefits of sequential injection.