bigaaron said:The inputs are very different. The 7m ignitor has iga and igb wires to control which coil gets the spark, and igt adjusts the dwell time.
The 1jz ignitor has 6 indivdual outputs and the ecu adjusts the dwell time of each individual output.
(BTW, that was $.25 for that because we are charging for advice on this thread now.)
My advice is going to cost more, since it is actually accurate.
IGT has absolutely no control over dwell time. It is simply a trigger signal that controls ignition timing. Dwell time is controlled internal to the ignitor on the 7MGTE, 1JZGTE and 2JZGTE. I also happen to know for a proven fact that JZ coils do not work well with 1/2 the dwell time they were intended for. If that issue is not addressed, this "upgrade" is actually quite the ignition downgrade. $.50 please.
Scary that some people are considering purchasing an ignition system from someone who doesn't even have a basic understanding of how the system works.