Oil galley Plug-tr3/4

["Dean Tetterton" <richtr@erols.com>]

Does any one know of a source for a fitting that will allow one to hook
a 1/8 pipe thread fitting to the oil galley on the 
TR3/4 engine. The plugs in the oil galley are 7/16x14 bolt threads or
3/8x 16 bolt threads. I would like to take the oil
Pressure reading from there instead of from the filter head as original.
An oil leak from the oil cooler or filter does not 
Show on the gauge soon enough. Also want to "T" in a pressure switch to
turn on oil failed light.
Thanks;
Dean Tetterton