Franky,
I may not completely understand what you're asking but I'll try to help. The module definitely needs the heat sink compound. no question about that. Without it ALL modules reguardless of brand, will die a painful and useless death without the heat sink compound.
How long? Depends on a couple of things. Mainly the amount of heat it has to endure. The hotter it gets the quicker it will cook. And how was the past history before you got it?? Who knows? In an emergency you could probably get by without the compound, but I would not chance it for far. Have seen some go for a couple hundred miles and seen a couple last for about 15-20. So the answer is not for very long.
Gotta remember the thing is nothing more than an electronic version of a set of points. No more, no less. It does however have the ability to add an expanding dwell feature in it and that adds somewhat to the complexity of the deal. Electronics don't like heat, period. The cooler the better. They are pretty tough but don't expect to be able to hold a torch over the thing and have it last for ever either.
Did you say you washed the car or the distributor??? I got a little confused there. Possible the cap got moisture inside???
The ignition coil in fact should be matched to the respective pickup coil that goes with it. I have explained this in other posts so will not go in depth about it here. Some say it's bunk, and others have experienced it first hand and believe what I say, because it has solved some of their problems. They say.
All I know is what I was taught and what I was explained and told. Especially when starting, you will have far less troubles if you keep the yellow pickup coil connector with the matching yellow/red ignition coil (Chevy), and the clear plug pickup coil connector with the red/white ignition coil (Pontiac).
As far as your module problem, well, I don't know until you get a proven and known module in there you may never know either. There are some simple tests to do and if you wish I'll go over them with you, but they are too lengthy to list here.
The pickup coil resistance sounds fine and I assume that reading you obtained cold, correct? Might try and re-read it with it hot and see if there is any difference.
Let us know what you find.
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