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Cylinder numbering and firing order are confirmed as correct. I would definitely write this down too. Don't expect anyone to review your setup without the basic information. Wiring is separate, i.e. every ign output is to one coil respectavely, also I wired separate +12v supply and grounds for them. * '''EXACTLY HOW''' ? Without camsync, some trick is needed to drive COP (eg. ign_dualout). '''A:''' I have switched power supply to coils, they are fused (two banks, 15 amps each) and grounds from the engine. Signal wires come separately from VEMS to each COP. Car runs ONLY on primary trigger which is stock 100-1 tooth wheel on the flywheel and I don't have cam sync. I fire COPs sequentially and car starts ok every time, but some cylinders don't work on low (below 1500) rpms. I tried to fire COPs in pairs, as wasted spark, but it did not make any difference. Note that I fired BMW m50 engine COPs also sequentially by using just stock 60-2 trigger wheel, same low-rpm problem. The engine runs, but high dwell (3 .. 3.5 msec ?) was needed. * Im worried about the little voltage (almost none) from VEMS. ** what outputs ? ** what conditions ? ** what's connected ? ** measured how ? '''A:''' I measured all logic level ign outputs and nothing was connected at that time. Used DVM in usual DC mode and it read 1 volt on ign. event. As Marcell said, it's ok.
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