Re: oil pressure sending unit
It is a real PITA to remove. The distributor cap is in the way, and I ended up removing it to get at my sending unit. It is screwed into a brass fitting that screws into the block. I don't remember whether it's the 1/4" NPT or 1/8" NPT for our trucks. I know I picked up both of them at the auto parts store, and just used what I needed and returned the other... I told myself I'd remember which one I used for future reference, but I forgot. Funny how that works.