Additional Oil Pressure Port?
what mine looks like, it appears a 3/8" plug, will know soon
View attachment 1715448944
FWIW, you can probably get that bugger out with a screwdriver if you want to. It's simple really.
Get out your acetylene torch and fire that thing off.
Heat the plug up until it is nice and cherry red. Just heat the plug, not any thing else.
Once it's nice and cherry red, kill the torch and turn off the tanks. That gives the plug a little time to cool down a skosh.
Take some WD-40 or similar light oil and spray the plug. More spray, more contact high (if you are into that sort of thing) just enough to quench the plug a bit.
Candle wax and similar waxes work too. Just put the wax on the plug and let it melt a bit and take it off.
Now take your regular screwdriver that will fit sideways in the square and screw it right out. The plug will literally be finger tight.
Works every time.
