MicroSquirt.com read only forum (Jan.15,2018)

i installed ms&se in my 77datsun z with 81 zx turbo engine.the oem zxt efi fired a power transistor mounted to the coil bracket.my ms is firing that transistor.i tried about 1.5 ms dwell first and got a misfire at high rpm/boost.it would backfire and surge.its set at 3.7 now and i still have a minor ...