Quote:
Originally Posted by Schurkey
I don't know why Buick is different.
|
Distributor is on the front of the engine vs. the back like the others is the only noticeable difference.
Bias voltage being variable likely has to do with how easily triggered the system is at low vs. high RPM and the location on the B-H curve the system starts out at per pulse vs. RPM (note: this is an educated guess based on what I've done on pulsed systems I've designed).
Quote:
Originally Posted by george kujanski
I stand by what I said.
|
I agree with everything you say now and have been saying. I use saturable reactors and high voltage charging inductors not unlike an automotive spark system in work and have for 20 years. This is why I have said I want to see voltage waveforms of everything to get a real idea of what is going on vs. what people say is happening. I 100% agree with Schurkey that GM went out of their way to specify the different pickup coils and ignition coils so obviously there was a reason, but I don't know what reason that was and I'm not 100% convinced on the story of the location of starter motor as that's many feet away and a simple DC motor - and as Schurkey pointed out doesn't hold true for FWD Olds and Buick.
Such a shame we don't have a line on anyone who worked in the ignition design on these cars, just some engineering notes or an interview or two would have gone a long way to answer these questions. And in agreement with George I'm sure a part of it is "this was the thing that stopped random hot start\stall\misfire issues so we shipped it as-is."