Sitting down getting ready to start planning the wire runs for the EM-2 and EC-2 and wanted some feedback from peeps who've been there already.

It is discussed in the EM2 manual about how CHT terminals can be used to monitor other things, using the type J thermocouples. I am going to plead ignorance here and state that I thought these were the type of probes that were "washer" style and placed between a spark plug and its socket. If I wanted to monitor coolant temps (say before and after the rad), how would one insert these washers into the system? Or do they make type J's that are bayonet style that can penetrate into a plug fitting? Or can this thermocouple simply be attached to the exterior of the coolant fitting (if its metal) and get a fair enough reading? (this is a weak spot for me.. sorry if it sounds amatuer)

Those of you running rotaries with the EM2.. what ARE you monitoring (yes.. this is a roll call request).. which points are you instrumenting.

Also.. just a little feedback.. for Tracy (cause I know he will read this eventually).. basing this suggestion on something someone attributed to Al Wick on reducing human factors. On the back of the EM2.. there is a 15 pin dsub and two 25 pin dsubs.. with the admonition not to get the connectors mixed up. If mixing up the connectors would cause failure of a smoke test (let the smoke out, and the box doesnt work anymore)... then wouldnt it be a good idea for future generations of this device have non-compatible connectors for the various plugs? Like a 37 pin in lieu of one of  the 25's.. or one 25 pin being male and the other 25 pin being female? I'm not trying to complicate your world, but something like this MIGHT reduce one possible link in the chain of failure. That being said, i dont even know if this is a solution for a problem that hasnt manifested itself.