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Brew Master
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Smoke, Smoke and more Smoke but not coming out of exhaust
Okay, so I got my 3.2 running, took it for a shake down cruise, pulled it back in my shop and the smoke was rolling off this thing and I don't mean just a little, it filled my 30x50 shop. I started the car up again today and let it warm up after doing some component checks and poof! smoke is rolling again. I got under the car and looked around but didn't see any visible oil leaks. There was smoke coming off the heat exchangers and at the time, I had the tube that ties the exchangers together off and smoke was coming from inside the exchangers. Smoke also appeared to be coming from the alternator fan housing but it wasn't electrical smoke. After installing the engine and getting it running, I found a leaking oil return tube and replaced it. That is the only visible leak I've found. There are no oil spots on the floor whatsoever. I'm a little baffled but not discouraged.
Some history: I have no idea how many miles are on this engine. I was told when I bought the donor car that the engine has sat for about 6 years. I was told by a few Pelicans to expect smoke but I expected smoke from the tailpipe not everywhere else. Should I strap in a fire extinguisher and take her for a run? |
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Registered
Join Date: Dec 2009
Location: Wayne, PA
Posts: 2,010
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Did you overfill it with Oil?
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Christopher Mahalick 1984 911 Targa, 1974 Lotus Europa TCS 2001 BMW 530i(5spd!), Ducati 900 SS/SP 2006 Kawasaki Ninja 250, 2015 Yamaha R3 1965 Suzuki k15 Hillbilly, 1975 Suzuki GT750 |
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Registered
Join Date: Dec 2009
Location: Wayne, PA
Posts: 2,010
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If not that, could mice have placed dog food(or the equivalent) in your heat-exchangers?
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Christopher Mahalick 1984 911 Targa, 1974 Lotus Europa TCS 2001 BMW 530i(5spd!), Ducati 900 SS/SP 2006 Kawasaki Ninja 250, 2015 Yamaha R3 1965 Suzuki k15 Hillbilly, 1975 Suzuki GT750 |
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Brew Master
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smoke
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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,529
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Did the engine sit around for a long time ??
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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Brew Master
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Something like 6 years. Is there a thermostat or some oil fitting on the top side of the engine under the shroud? I'm getting a fair amount of smoke coming from the fan area. I'm not sure if it is working its way up through the heads and out or if it is actually coming from that area.
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Took about 20 minutes for my 72 to clean itself out after almost a year at the paint shop...don't ask :=)............Drive it at night for about a 1/2 hour and hopefully this will all clear out.
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15 year PCA member ![]() 1972 911 E Coupe - gone now 1987 Mazda RX-7 2+2 - still cooking Swift DB-1 FF & Swift DB-3 F2000 -not forgotten 1979 911SC 3.0 & 2000 Camaro |
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Registered
Join Date: Oct 2001
Location: San Carlos, CA US
Posts: 5,529
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Quote:
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Porsche 2005 GT3, 2006 997S with bore-scoring Exotic: Ferrari F360F1 TDF, Ferrari 328 GTS Disposable Car: BMW 530xiT, 2008 Mini Cooper S Two-wheel art: Ducati 907IE, Ducati 851 |
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Registered
Join Date: Apr 2009
Location: Cape Vincent, NY
Posts: 841
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Late night mosquito killing drive.... it is a public service!
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1968 911S "Leona" Air goes in and out, blood goes round and round, any variation on this is a bad thing. |
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Brew Master
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Northern Motorhead
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Look around your crank breather hose on the engine,is it connected ???
Many oil leak culprits in that general area ! Cheers Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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This is pretty basic, but is you fan belt OK?
Mine broke (old) the other day and the symptoms sound exactly like yours. Mine had some oil residue that started to smoke as the motor warmed. Kind of a white smokey stuff. Disappeared with a new belt. No real oil leaks needed
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SCWDP member #0034 '67 912 Restoration/Mod - SOLD ![]() '80 911SC Targa -
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Brew Master
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Quote:
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Brew Master
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Quote:
Also, I've been busy sorting out my car. Once I get some time, I'll get you those pictures of the hood I told you I'd get. Okay, just did a search and I think I found the location. I'm fairly certain I connected that hose but I'll go back and look. Could be a cracked hose?? Last edited by cabmandone; 09-09-2013 at 05:05 PM.. |
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Northern Motorhead
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Nick,
My hose was cracked at the clamp where it connects to the engine,i got black flagged at an event last year because i was leaving a James Bond style smoke cloud around the track ... Turns out you couldn't see it because it was on the side facing the firewall and it was only leaking under load (full throttle),i managed to figure it out and cut two inches and reconnected it. No problem for the hood,there's no rush ... Cheers Phil
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Cheers Phil 89 Coupe,Black,95 3.6 engine and the list goes on ... 1983 944 SP2 race car PCA #96 |
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muck-raker
Join Date: Jan 2009
Location: Coastal PNW
Posts: 3,059
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Cabmando,
Here's a picture of the oil crankcase breather (has a white rag stuffed into the breather), along with a couple of other common demon leak spots (otherwise known as the "Triangle of Death"). Otherwise, drive it like you stole it, and the smoke will probably dissipate in a short while.
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STONE '88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended. ![]() Deny Everything; Admit Nothing; and Always Make Counter-accusations
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Brew Master
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Quote:
Thanks for the help everyone and I'll post if I find anything other than residual oil being the problem. |
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Brew Master
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Well, looks like just driving it worked! I started it, let it warm up, checked the oil and then let it run for about 15 minutes and it didn't smoke a bit when I shut it off.
MAN! it's hard to not worry when they smoke like that but I should have listened to the wise Pelican that told me not to worry originally. |
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muck-raker
Join Date: Jan 2009
Location: Coastal PNW
Posts: 3,059
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at this point, I'd take her out regularly for a couple of days, rack up about 100 miles or so, then take her out for a nice hot spin and give her an "Italian Tune Up". Get those RPM's up and really burn off the extra carbon and crud.
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STONE '88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended. ![]() Deny Everything; Admit Nothing; and Always Make Counter-accusations
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