13 replies to this topic

[3rdgen]

gota question, has anyone removed all of the emissions hoses and various related junk from their civ? If so, did it help, hurt anything? Pros, cons, etc. I know back in the day, it would free up some power, but im just not sure. thanks..

[Rampage]

There should be some info in the FAQ, and it has been covered so many times you can find all you need just by searching 'Black Box' with the search function.

Good Hunting!
Mark

[Coy]

maybe someone should do a write up on this, ive seen alot of members askin aobut this lately.

[3rdgen]

so if I open up this "black box", and unhook everthing, plug it all up, will it break? will I get more h.p.? I just dont know if its worth doing... I cant blow up this car for another month or so. I am putting a new carb on tomorrow or the next<edelbrock> unless someone thinks or knows of a better choice. I just dont know that much about carb tuning and such...Ive always had fuel injected vehicles

[Aren D.]

I removed all the emmisions gear form my car excepet one thingy because when I took it off my car idealed extreamly fast...

any way The reason I removed it all was pretty much just for looks, I did not notice any gains or losses, my car runs fine it made a 1400 mile road trip and got around 38 mpg wich I was surprised at with the stuff unhooked. also all that stuff weighs like 4 pounds so it a weight reduction

[Coy]

details details i need details.

[Aren D.]

ok, on the brown top d16a1 this is what you do:

open the black box, and locate this litle thing:


you will see it has a vacumme line comeing out of it, with a "t".
on the T fiting, one concetion gos to the little electronic thing, one gos to a vacume tube with a very small end conection thing at the end and the last gos to this part on the throttal body:


then the rest of the vacumme lines just rip out, and plug or loop the holes left in the manifold:


and then conect the timming advance vacume line on the distrubuter:


sorry for my lact of tecno languge and frequinte use of "thing" and "deally"

also note this is a brown top d16a1 with a black top d16a1 intake manifold, and the thing in the first picture is relocated to under my dash...

[3rdgen]

if mycar was fuel injected. this would have be reat.. thanks for the effort

[Coy]

thank you.

i was gunna say that if that was a browntop it sure as hell dont look like mine...havent payed much attention to the blacktops. why did you reroute the one line into the interior?

[Aren D.]

thank you.

i was gunna say that if that was a browntop it sure as hell dont look like mine...havent payed much attention to the blacktops. why did you reroute the one line into the interior?

the line is going in to the interior because the part that Is in the first picture is relocated under my dash and that is where that line gos.

[Coy]

ok. so the electronic part that its connected inside the cabin was originally in the vacuum box?

im still not quite sure what reason other thN keeping it dry you would have for it bein in the cabin

[Rampage]

im still not quite sure what reason other thN keeping it dry you would have for it bein in the cabin

That and having a nice clean engine bay would be the reasons!

Cheers,
Mark

[Aren D.]

im still not quite sure what reason other thN keeping it dry you would have for it bein in the cabin

That and having a nice clean engine bay would be the reasons!

Cheers,
Mark

what he said, its there for engine bay cleaness...

[Hollowman]

It looks like the thing you pulled out of the vac box is the MAP sensor (also according to the wire colors).. You could just use the CRX/Civic Si MAP sensor instead of ripping apart the D16A1 vac box... This would work for the vac advance D16's (86-87).. I'm not sure if it would work for the electrinic advance cars though...