This is for a friend of mine at work.

Hey, my semi ricer friend bought a 90 integra with a first gen b16. It was dumb for him to buy without knowing anything about honda modifications besides I/H/E......The thing idles at 3000 when cold, and 1800-2000 when warmed up. The entire intake system is much different then my b16a2....I don't know how he is going to lower the idle. Is there an adjustment screw and some specific process to lower the idle?

BTW, it isn't a vaccum leak causing the high idle.

 

Yea, throttle adjust screw right there on the "face" of the throttle body as you would look into the manifold and just a slotted screw driver regular type will do...

 

This is how I did it on my 1st gen. B16a http://www.lyonel.8m.com/adjidle.htm