whats this stuff??
Thread Starter
Senior Member
Joined: Sep 2004
Posts: 952
Likes: 6
From: PITTSBURGH, PA
Car: 85 IROC-Z Z-28, BLUE & SILVER
Engine: 5.7L & 5.0L
Transmission: 700R4
Axle/Gears: FACTORY
whats this stuff??
i finally got my car to run without cutting off for about 3 mins.. still runs rough and crazy and cant figure out why ( see my other threads...)
anyway, after letting the car run i notice this on my garage floor.... anyone know what it is,,, looks like water with black stuff in it...
anyway, after letting the car run i notice this on my garage floor.... anyone know what it is,,, looks like water with black stuff in it...
Junior Member

Joined: Apr 2007
Posts: 21
Likes: 1
From: Washington State
Car: 1991 Chevy Camaro Z28
Engine: 350 TPI
Transmission: T56
Axle/Gears: 4.10
Re: whats this stuff??
Mine does the same thing. Its just water that condenses in the exhaust. What makes it black is all the soot that is in the exhaust. I dont think its anything to worry about other than it makes a mess on the floor.
Junior Member

Joined: Apr 2007
Posts: 21
Likes: 1
From: Washington State
Car: 1991 Chevy Camaro Z28
Engine: 350 TPI
Transmission: T56
Axle/Gears: 4.10
Re: whats this stuff??
I noticed that it doesnt do it on my car that often, so its some kind of combination between the wheather and the last time you drove your car.
Maybe someone else knows exactly what happens.
Maybe someone else knows exactly what happens.
Supreme Member
Joined: Jan 2009
Posts: 1,126
Likes: 0
From: Columbus Ohio
Car: 91 Z28,64ImpalaSS4094spd,67 Galaxy
Engine: Dart 415Profiler hd,cmprlrs,Hlly750
Transmission: Built 700R4, 3200 stall
Axle/Gears: 3:89 Moser 9"
Re: whats this stuff??
It's just condensation, nothing to worry about...
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