variety of switchover valves

[bricktron]

hi folks,

i have no switchover valve. OK. i think i understand that this means i do not have overboost protection, and that a boost gauge would help me to let off if things get going too forcefully.

on my '85 CA engine, i believe that the switchover valve is meant to be wired to the EGR computer. since i am DEFINITELY NOT installing that thing, is there not an earlier sort of switchover valve that i can install without any wiring?

it may be moot since i do desire a boost gauge anyway, but i would like to know what i am taking on if and when i plumb the manifold - ALDA connection without passing through this valve. thank you!