people have been telling me when i engaged into vtec, they saw smoke come out of my exhaust. black smoke i think. what would be causing this?

 

Fuel, running rich. Another reason your cat could be killed.

 

or could it be a killed cat? i know this is probably why i dynoed at 155whp

 

Nah, that's just because you have a 98...

 

Black smoke = FUEL

 

haters...

anways...how could i fix this problem? would a new cat help?

 

hahahhaha OWNED!!! 01 R's own 98s!!!

Just Kiddin lol, yeah a new cat will help.

 

If you get a new cat, it will just get messed up again after awhile.

 

well how do fix this problem permanently?

 

Could it be the valve seals/seats ?

 

straight pipe

 

vafc, standalone comp, have to lean the baby out

 

could be rings.

 

first take off that bra, it makes the car look shitty, old people use bra's ur type r shouldnt. but ya id go with a test pipe, might as well upgrade if u need to replace .... considering a test pipe is cheaper and adds more horse


[Modified by Soon2BeGSX, 10:12 AM 5/28/2002]

 

if it was oil, the smoke would be blue. 155 Whp is low. Is your cat clogged. Did you dyno with the cat not hooked up?

 

who has a bra?

 

155 is low.. almost gsr range... he thought it'll cost extra to do it and didn't want to ask.

 

lean that ish out...

a new cat will jus get ruined

 

is there another way to lean it out without using a vafc or a stand alone comp?

yeah i did dyno with the cat bolted on.

what makes you think i have a bra on my car?

 

Yeah, I am running rich aswell, blowing all kinds of smoke...hehehe. People hate to drive behind me but I can't help it if they can't catch up .... yeah if like they said if you get another cat your just gonna kill it. For me I am still using my test pipe so, no problems there, but definetly I will need to tune it and that will fix it.

Sorry, if I overlooked it, but do you have any mods done to your car already?

 

same problem here...black smoke shoots out in vtec.

 

Me too, same problem, but not really a problem at all, I have no cat.

 

What if its white smoke coming out of the exhaust?

 

White smoke :

thats water... either trough condenation or a blown headgasket.... usually just condensation


its hard to tell black and blue smoke apart unless your right up on it..
if it is right when vtec hits logically youd think its dumping fuel so it would be black RICH smoke..

however most cars i have ever seen that do this.. its rings.

its the back of your car covered in black **** after 5 minutes of driving?

 

use a vafc and/or adjustable fpr with guage to lean out the mixture a little.

ironically, i usually richen up my mixture during vtec because the car pulls harder imo.

gluck