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Hello Rusty
I also like the audi v8 idea.
Mainly because I have heard they bolt right up, if that is true you may gain very valuable front of engine room not adding an adapter plate.
Outside of that I can only say they do sound good.
The immobilizer has inputs and outputs like any other computer component, can be researched, understood and manipulated.
My point of interest begins more in what actually happens in the DME or ECM. The power source gets cut off by the immobilizer and that has to be via relay or silicone component, both will have metalic leads, metallic leads that are screaming for a soldered on jumper wire. SHAZAM!! engine never gets effected.
But for that matter, your Audi and my LS will both have new sensors and controllers.
Back to the many gremlins inside the immobilizer,
I think mine is ok also, but I will sleep better without it.
Again IO logic.
Its either TTL or Cmos, the only real difference is operating voltage.
I expect a lot of "if this, than that" simple logic inside. Once I enter that stage I will without any doubt master it and retain it. It will be my lifes ambition.
My goal would be to replicate it with a more user friendly and maintainable unit.
Maybe an Allen Bradley programmable controller or a simple raspberry pie PLC.
Sounds like a lot, your computer repairman wants you to think that.
Good luck and also super job you are doing on the cost Rusty.
It will be an even more massive accomplishment if you never have to feel guilty about the money.
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