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12-09-2012, 08:38 AM
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#1
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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Lots of smoke after installing used exhaust
People-
I don't think its anything more than condensation from the car sitting with an open y-pipe, however I'm parking the car and asking here to see if I should be concerned before making a fatal error.
I purchased a used exhaust from Tim (mufflex 3.5"), removed old exhaust at y-pipe, realized the central pipe needed to be shortened, had central pipe shortened, car sat for two weeks with open y-pipe, finally installed exhaust yesterday, started the car and it is smoking like crazy now. Even some smoke was coming from the passenger side near where block meets heads, but that has subsided after about 3 minutes of idling. The smoke, from the tailpipe, however, has not.
I took a video, can post it if need be, however I wanted to gain opinions on whether I should be concerned. There was some roughhousing with the y-pipe to get the old exhaust off, and the new one on, but nothing excessive, I think.
What say you, automotive sages of njfboa?
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-09-2012, 08:42 AM
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#2
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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I lied, video is uploading now. Should I'll edit this post with the video when it's finished.
Video: https://vimeo.com/55206104
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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Last edited by qwikz28; 12-09-2012 at 09:15 AM.
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12-09-2012, 09:28 AM
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#3
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Join Date: Sep 2006
Location: north jersey
Posts: 1,680
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Possibly a mouse started to make a nest in the exhaust, my used headers had nests in 3 ports. If so it should burn off eventually
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12-09-2012, 09:29 AM
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#4
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Lord of the rings / 10 Second Club / Meet Coordinator
Join Date: Aug 2004
Location: Millstone Township, NJ
Posts: 6,357
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Video doesn't work. If the car ran fine before the exhaust swap, the its prob just a ton of moisture in the exhaust system. It could have a fair amount in the muffler and simply hasn't burned off yet. I assume you just changed everything after the y pipe right?
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97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
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17 Sierra 2500HD Dmax
81 Turbo TA
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12-09-2012, 09:40 AM
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#5
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Also grease from your hands still burning off?
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2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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12-09-2012, 09:49 AM
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#6
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Join Date: Mar 2008
Location: Somerset, NJ
Posts: 4,223
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what color is the smoke? if it was something in the exhaust like a mouse nest I wonder why it was smoking from your engine bay also
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Jon
1999 Trans am WS6
1996 Corvette LT4 6 speed
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12-09-2012, 02:30 PM
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#7
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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Is the video still not working? Its working for me.
The smoke is greyish white, but now poofy like coolant if that makes sense. It ran for three minutes or so, you think that isn't long enough to burn off the moisture?
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-09-2012, 02:30 PM
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#8
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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__________________
Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-09-2012, 03:05 PM
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#9
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Join Date: May 2009
Location: Highland Mills, NY
Posts: 1,915
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Any smell to it ? You running cats ?
Looks like my car when I run it in the morning.
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2000 Camaro SS 610rwhp/570rwtq LS2 440, 12 bolt 3.73, tranzilla t56
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12-09-2012, 05:45 PM
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#10
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Join Date: Sep 2006
Location: north jersey
Posts: 1,680
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Did you paint any part of the exhaust? Headers will smoke a lot if you apply fresh paint. As far as the engine bay smoke, as the previous post stated smell will narrow it down
Last edited by Lt1_8U; 12-09-2012 at 05:48 PM.
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12-09-2012, 06:09 PM
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#11
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Join Date: Nov 2012
Location: Millstone, NJ
Posts: 641
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Could be oil burning off, doesnt help u rev the piss out it right after u start it
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94 TA GT. Stock 350, cam, exhaust
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12-09-2012, 07:16 PM
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#12
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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Quote:
Originally Posted by MyFirstZ
Any smell to it ? You running cats ?
Looks like my car when I run it in the morning.
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No smell that I can ascertain, and yeah there are high flows from Mufllex on there. Same ones on there before. And Jim, there's no paint or Permatex I don't usually drive the car in the cold, so that is a possibility as well. Hmmm. It's a ton of smoke though. I don't know what to take from it, but my gut tells me its nothing. My mind and wallet, however, tell me to ask those more knowledgeable than me before concluding anything.
I don't think its just oil burning off either, because the smoke is coming out of the tailpipe, as opposed to off the pipes.
Quote:
Originally Posted by Dudbird113
Could be oil burning off, doesnt help u rev the piss out it right after u start it
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Car was warmed up at that point, but that highlights the fact I actually uploaded the wrong video. Here's the other: http://vimeo.com/55233246
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-10-2012, 08:18 AM
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#13
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Jake,
Is there a puddle at the end of the tailpipe?
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12-10-2012, 11:03 AM
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#14
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Join Date: Nov 2005
Location: Edison
Posts: 7,856
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I think it's fine. I just started mine and had the same thing and I think I it seems like a lot because its all coming out of the same pipe(it is a singe out right?).
You might have an exhaust leak which was why it was in the engine bay.
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1984 Firebird
2000 Z28
2023 Tacoma
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12-10-2012, 12:38 PM
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#15
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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Quote:
Originally Posted by WildBillyT
Jake,
Is there a puddle at the end of the tailpipe?
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No puddle, however I have been working on it in the rain, so I may be wrong. I think I need to start it again and let it run. I'll check the coolant level before starting it to eliminate that variable, though. I don't see what else it can be besides moisture.
Quote:
Originally Posted by WayFast84
I think it's fine. I just started mine and had the same thing and I think I it seems like a lot because its all coming out of the same pipe(it is a singe out right?).
You might have an exhaust leak which was why it was in the engine bay.
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That's a very good point regarding the single outlet, I didn't think of that. The smoke coming from the engine bay was coming from lower than the flange, so I don't think that was exhaust related. Could more than likely be moisture related like the exhaust though.
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Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-10-2012, 12:40 PM
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#16
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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When was the last time the engine ran for a while? Did the car sit?
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12-10-2012, 08:33 PM
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#17
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Join Date: May 2010
Location: Brick, NJ
Posts: 1,868
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The last two weeks we have seen a big variation in temps. I would say its just moisture in the exhaust and that you have no issue what so ever
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Formerly known as blk95formula
86t/a_ram_air on TGO
2018 Silverado 1500
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12-11-2012, 06:35 AM
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#18
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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Quote:
Originally Posted by WildBillyT
When was the last time the engine ran for a while? Did the car sit?
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Before that, it was Thanksgiving weekend, so about two or three weeks.
Quote:
Originally Posted by greenformula92
The last two weeks we have seen a big variation in temps. I would say its just moisture in the exhaust and that you have no issue what so ever
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I hope so, just trying to gather possible ideas to look out for.
Got stuck at work till about 9 last night, hoping to get out earlier today and let it idle for a while and see if the smoke subsides after it gets up to temp.
__________________
Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-11-2012, 07:37 PM
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#19
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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Started her up today, no smoke. Zero.
Thanks guys, looks like my paranoia got the best of me. Car is running fantastic!
__________________
Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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12-11-2012, 07:47 PM
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#20
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Join Date: Nov 2005
Location: Edison
Posts: 7,856
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Congrats man, It sounded sick in the video.
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1984 Firebird
2000 Z28
2023 Tacoma
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12-11-2012, 08:35 PM
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#21
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13 Second Club / Moderator
Join Date: Jan 2005
Location: Franklin Lakes, NJ
Posts: 8,686
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Quote:
Originally Posted by WayFast84
Congrats man, It sounded sick in the video.
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Thanks man. It's insanely raspy. I love it.
__________________
Quote:
Originally Posted by LS1ow
Except Jersey mike, great kid, but the way he looks at me makes me feel like im in danger
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