I have a 1985 johnson 150 gt. model #j150stlcos. is this a 60 degree v engine.
I am going to install a water pressure guage and if the instuctions are correct I need to
install an elbow on the port head at the water pressure plug. is this plug at the top or bottom of the engine and what would be the details of its descripion? the instructions are only good if this a 60 degree v engine.