wtf.. black soot coming out of my exhaust

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wtf.. black soot coming out of my exhaust

Postby glenneaux » March 20th, 2008, 11:32 pm

okay my car has been sitting since about 1:30pm today.

i've been messing about with megasquirt 2, wouldnt start for some reason it was a ignitino problem. plugged the ms2 back in and it fired up, wouldnt idle which i expected buut after letting it run for a bit i let it die and hopped out to see this behind the exhaust..

when i put my fingers in it, it was like black paint, just soot. it doesnt smell like fuel. it seems like a fark load of condensation to me, but this much? please......

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Re: wtf.. black soot coming out of my exhaust

Postby Ratchet » March 21st, 2008, 8:00 am

mine does the same thing on and off, its the valve stems that are in need of repair.
getting mine looked at on thursday so will le you know the outcome.
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Re: wtf.. black soot coming out of my exhaust

Postby stockiEF » March 21st, 2008, 3:03 pm

just condensation.. and the reason why its black is cos ur zorst is prob old and its got a build up of burnts fuel particles layered in it.. should still be fine!
Last edited by stockiEF on March 21st, 2008, 3:21 pm, edited 1 time in total.
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Re: wtf.. black soot coming out of my exhaust

Postby holmsy » March 21st, 2008, 3:18 pm

my mechanic said my valve stem seals need replacing and mine does the same.
but i also have a blown gasket so i said he is jus talkin shit :P
ill never know im just changing engine
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Re: wtf.. black soot coming out of my exhaust

Postby Damo » March 22nd, 2008, 10:25 pm

looks like it's running rich. Mine did the same. Sat idle at the end of the drive for a few minutes, it won't necessarily smell like fuel either.
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Re: wtf.. black soot coming out of my exhaust

Postby private9 » March 22nd, 2008, 10:31 pm

Meh, the front of my AU is covered in that shite from every time I start the EB. Spose I could wash the AU, but I don't think it deserves it.

Damo, awesome pic!
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Re: wtf.. black soot coming out of my exhaust

Postby Hiboost » March 22nd, 2008, 10:46 pm

thats too much fuel...Carbon.... get some fuel out of the fuel map...
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Re: wtf.. black soot coming out of my exhaust

Postby XRated » March 24th, 2008, 4:27 pm

Anyone had their valve stem seals replaced? Mine are effed and I just want to know a rough cost before I contemplate doing it...
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Re: wtf.. black soot coming out of my exhaust

Postby Sunboost » March 25th, 2008, 9:06 am

XRated wrote:Anyone had their valve stem seals replaced? Mine are effed and I just want to know a rough cost before I contemplate doing it...

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Re: wtf.. black soot coming out of my exhaust

Postby XRated » March 25th, 2008, 9:29 am

Got a bag of cement left over from when you were going to take some?
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Re: wtf.. black soot coming out of my exhaust

Postby Sunboost » March 25th, 2008, 9:32 am

I didn't need to HTFU for anything. No cementaccinos or double concrete mochas at my end.
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Re: wtf.. black soot coming out of my exhaust

Postby holmsy » March 25th, 2008, 2:51 pm

i was told somethin like $14 per seal buy a place. but thats with the head allready off the engine. might as well do it ya self if ya allready got the head off.
iv got full set here brand new. i cbf doing them cause im changing engine anyway
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Re: wtf.. black soot coming out of my exhaust

Postby [chubbz] » March 25th, 2008, 11:24 pm

mine does the same as damos when it sits idealing, that pic is tuff as damo
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Re: wtf.. black soot coming out of my exhaust

Postby glenneaux » March 26th, 2008, 12:53 am

guys thats disgusting

i fixed mine, i took fuel out of the map. i cant believe how many people must get around with these huge cams.. doesnt it kill your economy? mine didnt idle and ran rich as **** all of the time.

at the moment i have no ignition advance but i think its heaps more drivable (wade 1736) than the stock ecu.
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Re: wtf.. black soot coming out of my exhaust

Postby [chubbz] » March 28th, 2008, 12:38 pm

glenneaux wrote:guys thats disgusting

i fixed mine, i took fuel out of the map. i cant believe how many people must get around with these huge cams.. doesnt it kill your economy? mine didnt idle and ran rich as **** all of the time.

at the moment i have no ignition advance but i think its heaps more drivable (wade 1736) than the stock ecu.


whats thw best way to take fuel out the map (mechanic)?
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Re: wtf.. black soot coming out of my exhaust

Postby Dansedgli » March 28th, 2008, 12:42 pm

Aftermarket ECU.
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