The guages installed were Boost, Oil Pressure, and EGT. I decided to tap into the block for oil pressure instead of using a sandwich type adapter for the oil filter.
FatAngel did an awesome job: Some $, Chipotle, & Beer and this is what I wound up with:

Remove with 8mm



Crows foot wrench is helpful here.

Jack the car up

pull header

drill 11/32

Tap

Screw EGT sensor in

Zip tie cables

Through fire wall

Out the other side

Drill center consol

feed wires

tap the wires where the clock was

Install and this is what you have