Piggy backing 165 ECM chips

[Rick Lindstedt <rick@mafb.org>]

I have a thought and would like to know the consensus of "more" 
knowledgeable one out there on this..

I would like to have a chip for motor and a chip for nitrous on my car... 
can I use the ground pin on the chip to switch back and forth between the 
two? and if I can ..is it possible to do this on the fly as well, ie car 
running???

or is there a better method to this??

Thanks for any input or suggestions..

Rick

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