Black Exhaust Smoke

[UWISSH!]

I've noticed lately that there is a fair bit of black smoke comming out of my exhaust when I give my car a hard time, just wondering what the cause may?

Could it be it's running too rich or a more serious problem?

Motor is a croydon built 26 with t88 with full 4" exhaust.

Happens on low and high boost 15 psi & 26 psi.

Any help is greatly appreciated

[R31Nismoid]

Could just be blowing a bit of build up out.

Or just a bit rich on the tune, which isn't necessarily a problem. I leave a bit of a cloud when on a full throttle tramp.

if you worried, go stick it on a dynoto get things looked at.

or just stop looking in the rear view mirror!

[DVS JEZ]

Does it do it on both high and low boost. I have tuned a few cars that ceoydon tuned 1st Nd on power is tuned perfectly bu the cruise tune is crazy overly rich. Sometimes richer than when on full boost. If urs is the same then it would be a build up of fuel and carbon in the cylinder, then when u boot it its cleaning it out.

[SKITTLES]

Check turbo gaskets (if that's the right term) ... guy at the lights had a "blown turbo" which blew black smoke.

Friend had a 300zx (twin turbo) with a f**ked gasket. Put a liquid in as a temp fix and was safe to go until that happiness wore off.

[DVS JEZ]

U would know if the turbo was blown. Especially. T88 lol.

Liquid gasket is a waste of time on turbo exhaust gaskets.

[UWISSH!]

Ok so I shouldn't be that worried about it then?

I'm guessing that it's running rich then coz it does use a fair bit of fuel but I guess it's better than not enough

[DVS JEZ]

Its good to be rich on boost but when cruising it should be around stoich. What ecu are u using?

[UWISSH!]

I notice the smoke when comming on boost.

I got a power fc d jetro