Oil pressure sensor and intake problem...

Any ideas? Not going to cut/weld the manifold.
Pictures attached:

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Did you see the cut-line on the reposted pic? My cover is currently bagged and stored, but IIRC that "tower" looking thing is just that. An extra long tube that the sensor screws into. I've seen that same sensor and its an LS2 sensor, it has a different connector then the LS1... if this does work someone let me know I'm in a big hurry and have this same issue!
EDIT: i've been reading that the reason for the three electrodes is for a ground, and fuel pump cut off.
Well I've been looking into adapters all damn day without any success so what I want to do is drill and tap the boss on the oil filter housing. If anyone has any reason why I shouldn't do this please let me know right now cause I'm doing it.
So I'm going to drill it, tap it and get an adapter as I think its too small for the original sensor to thread in *there isn't enough metal there to tap it out to M16 thread*. So I'll let you know how this work.
any advice would help!

