Finished my MS1 3.57 install but have a few issues. 280z, just figure everything stock except 420cc injectors.
1. Tunerstudio and the MS ecu lose comm during cranking. The main relay has power during cranking, maybe down to 10 or 11v but still good power.
2. No tach signal. Pin 24 (white) goes straight to coil negative JP1 is jumpered 2-3, J1 is jumpered 3-4 Would anyone recommend using one of these to isolate a good signal? http://www.summitracing.com/parts/msd-8910/media/instructions 3. Would I have better luck taking the tach signal from the oem ignition control unit? When cranking and watching multimeter on the neg side of blaster 2 coil its spitting out all kinds of voltages, 12v, 8v, 10v,14v... Everything ran fine with the carb, ignition has not been touched. And why am I not permitted to upload my msq tune or logs to here?