1992 Civics Wired For Vtec?

[NoJokE]

I thought i heard this somewhere or read it or it could've been i was drunk as all-mighty hell and made it up, but is this true? Are all 1992 Civics wired for Vtec?

 

[xj0hnx]

Only certain models run it all the way to the engine bay,VX,SI,EX...