i did a gsr swap in my 94 integra. the secondary plug has 2 wires does anybody know were these go to the ecu? and also if i run a p28 chipped instead of the gsr ecu you don't have to hook this up, if im wrong will some1 correct me, and the knock sensor on a p28 don't have to hook it up, right? some of my friends tell me i don't need the ks on the gsr ecu and they also say just zip tie the secondary open is that a good ideal? thanks .

 

i did a b20/gsr swap on my 96 dc, i just removed the secondary intakes, it suppose provide better air flow, but yea i reccommed it ..

 

how do you remove them

 

You will lose low-end torque without the IAB being operational. The P72 ECU operates but does not check the operation of the IAB. The default position of the IAB is open, which is the high RPM mode. You can always wire an RPM switch to operate the IAB.

 

how do you wire a rpm switch? the is 2 wire 1 hot and 1 ground? don't really understand the rpm switch bro, more info

 

the ecu will not set a check engine light, u can leave the butterflies in there and they will still operate without the solenoid wired up, the valves actually work by vaccum, and everything will work fine, the butterflies just will not open at 5500rpm like they are supposed too, they will open basicly when u floor the throttle.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cb169 &raquo;</TD></TR><TR><TD CLASS="quote">u can leave the butterflies in there and they will still operate without the solenoid wired up, the valves actually work by vaccum, and everything will work fine, the butterflies just will not open at 5500rpm like they are supposed too, they will open basicly when u floor the throttle.</TD></TR></TABLE>

This is completely false. The secondaries will remain open constantly, unless there is a signal being sent to the solenoid and causing it to provide vacuum to the diaphragm.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Padawan &raquo;</TD></TR><TR><TD CLASS="quote">

This is completely false. The secondaries will remain open constantly, unless there is a signal being sent to the solenoid and causing it to provide vacuum to the diaphragm. </TD></TR></TABLE>

Your right - They will stay open unless they get a signal to stay closed. (Ignition - 5700RPMS)

From what Ive heard, the GSR manifold sucks with the IABS removed/stuck open. I think ud be better off getting a SKUNK2/ type R manifold if your running a P28.

Oh, and incase your going to get a p72, Heres how you wire it. Just letting you know b/c it drove me nuts when I did my swap and switched from OBD2a-1. Depending on what ECU your running (I'd assume OBD1...) you have to wire the IABs differently. Heres a gheto-*** picture I drew for you:


OBD1 requires you to ground it out, while OBD2 requires a power source. Just letting you know incase you go p72 - Hope this helps

 

correct me if wrong but a b16 aftermarket intake and a type r will work on a b16 and type r but not a b18c gsr. i have a friend with a abs intake for a b16 it will not work right

 

there is always vaccum there at the diaphram, Unplug the vaccum hose while the car is running and u will see the valve open, the solenoid relieves the vaccum at a certain rpm which cause the butterflies to open

 

thanks guy for the info it was alot of help. i got it so it will open between 5500 and 5700 on the rpm. im using a p28 chipped so i wired it up to open up when the rpm get to 5500 or 5700. thanks again guys

 

with p28 you will have no CEL for the knock sensor and obviously the vtec will hit at the ecu setting point, but the secondary will stay shut. so if i were i would just buy a blox or skunk2 manifold or i guess you can zip tie it up.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cb169 &raquo;</TD></TR><TR><TD CLASS="quote">there is always vaccum there at the diaphram, Unplug the vaccum hose while the car is running and u will see the valve open, the solenoid relieves the vaccum at a certain rpm which cause the butterflies to open</TD></TR></TABLE>

I'm sorry, but you're mistaken. Yes, the vacuum at the diaphragm is what holds the secondaries closed at low RPM, but that vacuum is only present when the solenoid is receiving 12 volts from the ECU. If you're missing that signal for whatever reason (wrong ECU, faulty wiring, etc.), the diaphragm will not get vacuum, and the secondaries will remain constantly open.

 

i have a chipped p28 redline is 8500rpm and i have the secondarys working. did not wire them up from the ecu. did my on wiring works great. thanks for the info