im almost done with the h23vtec. I had a question tho. I heard u have to remove the oil control orifice for the v tec to kick in? is this true? If so which one is it the one in between the block and the head or the one on top of the head? Or is it both.....any info on this plz help. Thanx

 

You'll need to remove the rubber plug on the block.

 

It's in the top face of the block, between cylinders 2 & 3, towards the firewall.

 

ok i removed that one before i got my head on.....so i leave all of em on top of the head?

 

Yes, if it was in the H22 head, it is supposed to be there.

The thing in the h23 block = plug (no flow).
The thing in the h22 head = orifice (controlled flow).

 

pictures of said plug?

 

Page 8 of how to: H23VTEC, H23 VTEC, H23/VTEC

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by prelittlelude &raquo;</TD></TR><TR><TD CLASS="quote">ok i thought i would make this clear for everyone, it seems there is quite a bit of confusion as to where the "oil contorl orifice" is. it is number 21 on the image below. this plug in installed in the h23a1 and f22a1 according to my helms but "Must NOT be installed in the h22a1". so that is the plug that needs to be removed when doing the h23/vtec, other wise you will get no oil for the vtec.</TD></TR></TABLE>

 

 

ok thanks. i need to check mine before i drop it in. i cant remember if i did that or not.....