I have two oil pressure gauges now but my wife drives the car sometimes and I NEED a dummy light. I just can't get her to look at the gauges. I would like to add a pressure switch. My car has the factory oil pressure sending unit down by the oil filter and I have added an AutoMeter oil pressure sending unit to the port in the top of the block, behind the distributer. Are there any other ports to install one. There isn't much room for adding a tee to one of the ports I'm already using.

 

1/8 npt plug at 11 o'clock by timing cover

 

thanks ede!