Over the weekend I failed . . 
. I removed what I think is the bad motor (non-tach reader motor). With a not very good old HO DC power supply I applied about 1.5 vdc and it spun pretty well. I took off the motor mount and reinstalled without the motor so I could properly run the engine with just the tach reader motor. Comes up fine in DCS and goes forward and reverse with just the one motor but not so great (still staggers a little). On the leads from the motor I removed I measured around 1.5 vdc when I command 5 smph. I then connected the leads to the motor I removed and no spin. I took a 365 motor out of another engine, installed it and no spin. I took the suspect motor and wired that in place of the 365 I removed from the old PS2 engine. When I applied power, I heard a slight pop then "ENGINE NOT ON TRACK". So I succeeded in NOT finding the problem AND for good measure killing an otherwise good PS2 board set (5 vdc/9 volt battery). Currently my PS3 is sitting on the test track with the shell off, mocking me.
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