which ludes have vtec?

[Zachp911]

Originally Posted by 91HondaPrelude

Hey man i really appreciate it thanks alot

No probelm, glad I could help.

[evoeta]

depends on jdm or not, bb4 its the si, 5 i believe they all do, altough im not sure. sir and type s

[Prelewd]

Originally Posted by ludespeed501

Or just rev up your car past 5k rpms and if you feel it pull harder you know you got vtec.

It should say h22a4, h22a1 is jdm.

The H23s have secondary butterflys that open at around 4500 RPM creating a similar effect to VTEC. I wouldn't advise this to a novice.

Maybe start by looking at the valve cover if you are too lazy to get a flashlight and read the casting code.