black watery stuff coming out the tailpipe?

[reaperracer666]

black watery stuff coming out the tailpipe after header cam install i also dont have any emmissions equipment almost like condensation but with some black oily stuff in it what is this from how to fix?

[MEAN LT1]

Is it alot or just a little? a little condensation is ok. Just make sure its not a steady stream. Then you have problems. ;)

[reaperracer666]

increases with throddle none at iddle

[IronOutlaw]

Thats weird. How have you run the car? Does it do it after its warmed up long enough to burn everything out of the exhaust?
I know that my friends mustang almost always has water coming out of the exhaust on humid days. Its just condensation though.

[reaperracer666]

this is directly from a cold start if i rev it up at all

[IronOutlaw]

Its just condensation. If you dont have cats and have a cam you are gonna be running a little rich probably and have some soot in the exhaust that makes the water look black. I wouldnt worry about it unless it is doing it when it is at running temperature, but then I wouldnt know what it is...

My firebird with dumped true duals did the same thing the whole time I had it, especially when it was humid outside.

[reaperracer666]

is there anything else this could be other than codensation? just so im prepared

[reaperracer666]

also would putting cats back on get rid of it

[BLOWNDFIZ]

Don't worry about it, it's normal.

[Ninety5PoloZ]

Yeah its normal. On cold starts my car will leave a black puddle behind the car, but after it warms up and gets the pipes hot it stops. The black is from the car running a little rich and getting soot inside the pipes like stated above. Cats may help with the blackness, but you will have condension no matter what.

But if it does it all of the time you may have a leaking headgasket, but it would have to be pretty bad to be leaving drips out of the tailpipes.

[BLOWNDFIZ]

Yeah its normal. On cold starts my car will leave a black puddle behind the car, but after it warms up and gets the pipes hot it stops.

LOL...I remember once a neighbor wanted me to fire up the car for his buddy....So I did. I let it idle and he wanted to hear it rev. I said I don't "really" rev it till it's fully warmed up, but I blipped the throttle and shot all that black water crap all over this dude's pants. It was funny, but I kinda felt bad...:D

[pyro719]

Mine does the same thing. I was freaked out about it the first time I saw water coming from my tailpipes, I was like WTF! Thought I blew a head gasket. Nope checked coollant level and hadnt lost a drop.

[AChotrod]

Mine does it too.

[JPack]

Same here...normal.

[reaperracer666]

ok thanks for the input was kind of freaked out

[ThreeHonks]

totally normal. dont even worry about it. you also might have sprayed so water in the tailpipes on accident when washing the car lol condensation si totally normal, especially without cats.