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

im running a ms2 on a chevy 4.3 v6. im running the port injectors but a tbi era dizy. the ms is configured as per diy autotunes hei mod kit. it randomly has a tach signal and then if it sits over night it wont come back unless we change the module in the dizy. i dont know if something is burning ...

im getting ready to help a guy put a 4.3 into a sandcar. he was originally going to try to use the stock wiring and ecu, now were going to use a ms 2. since we have the origanl wiring would you guys suggest i try to use it from the relay board to take advantage of all of the stock connectors aready ...