[LS1Racer]

I am not very familar with the BS3 but I would think its just like the Fast XFI. The white wire marked points ties to the MSD points and your crank trigger should be hooked to the ECU with the correct harness. From there you have to program in the software for bank to bank. If you gut the distributor you no longer have a cam signal. We have a machined disc in the distributor and pick up a cam signal only off the opti for sequential tuning and use a crank
trigger. If you lose the opti signal it defaults to bank to bank. I did look online at BS3 instructions and saw that the gen4 can actually do individual cylinder tuning without cam signal but still fires bank to bank. Kind of a nice setup.