| Author |
Message |
magoo (Magoo)
Advanced Member
Username: Magoo
Post Number: 2940
Registered: 2-2001
| | Posted on Wednesday, July 24, 2002 - 10:59 pm: | |
Bill I agree totally. So now I don't have to post. |
Bill Sebestyen (Bill308)
Member
Username: Bill308
Post Number: 285
Registered: 5-2001
| | Posted on Tuesday, July 23, 2002 - 9:30 pm: | |
I've never disected a 308 muffler, but it appears that both inlet pipes feed a common muffler cavity, which then exhausts out separate outlets. I'd be surprised if the exhaust from both banks didn't thoroughly mix within the common chamber. If this is the case, it is unlikely that exhaust from one inlet branch could be compared to that from the other bank. Past discussions have established that flow through the outlet pipes is not even at idle. This may mean that the reason you see white smoke from the left pipe is because of the way the gases flow within the muffler. The bottom line is, I don't believe you can point to single bank of the engine as the source of the white smoke from looking at the tail pipes. |
Mark Collins (Markcollins)
New member
Username: Markcollins
Post Number: 19
Registered: 7-2002
| | Posted on Tuesday, July 23, 2002 - 5:05 pm: | |
Jorma
the reason for the difference between left and right is it's a transverse engine and the left pipe from manifold to box is much longer therefore taking longer to warm and thus producing more condensation |
Mitchel DeFrancis (4re308)
Member
Username: 4re308
Post Number: 592
Registered: 6-2001
| | Posted on Tuesday, July 23, 2002 - 1:17 pm: | |
Bill, my car used to do that for several months after I bought the car. Since I drive the car often, it has stopped any smoking it ever did during warm up. Would you believe my car does not smoke or drip anything anymore?? It just tickles me pink! |
Jorma Johansson (Jjfinland)
Junior Member
Username: Jjfinland
Post Number: 170
Registered: 3-2001
| | Posted on Tuesday, July 23, 2002 - 1:36 am: | |
I had white smoke from my Jaguar, and it was failure in the cylinder head gasget. Water leak to one cylinder. Sorry to say but there is allways a reason for two cylinder banks to work different. |
bill v. (Doc)
Junior Member
Username: Doc
Post Number: 60
Registered: 9-2001
| | Posted on Sunday, July 21, 2002 - 1:14 pm: | |
As always, thank you for your opinions--this site is wonderful! Ken, I think you're right--I need to stop worrying about it so much. It's my first Ferrari and I think I tend to put it under a microscope every time I start it up. |
John A (Jarends)
Junior Member
Username: Jarends
Post Number: 120
Registered: 7-2001
| | Posted on Sunday, July 21, 2002 - 12:30 pm: | |
I had ask this question some time ago regarding the 328 we own. Left water vapor at startup, when warm, none.
I was told be many that know the car, it's normal.
Don't worry about it, John |
Ken Ross (Kdross)
Junior Member
Username: Kdross
Post Number: 89
Registered: 2-2002
| | Posted on Sunday, July 21, 2002 - 10:05 am: | |
Bill:
Your car sounds fine. The 308's tend to emit a fair amount of "white smoke" (not really smoke - more condensation) until the engine warms up. After about 5 minutes you should not see anything coming out of the exhaust. Stop worrying about the car and drive it, but do remove the cats soon.
Ken |
Greg Rodgers (Joechristmas)
Member
Username: Joechristmas
Post Number: 396
Registered: 3-2001
| | Posted on Sunday, July 21, 2002 - 9:32 am: | |
White smoke is water. Many QVs have a little white smoke if they have cats etc. My QV doesn't smoke and it has full smog but in winter I will get a little condensation at the very tips of the left tailpipe. A by product of the cats is water. If it is a small amount I wouldn't worry too much but if it is a thick large cloud that keeps coming from the exhaust then it is something to worry about. It is more likely woater burning off. |
bill v. (Doc)
Junior Member
Username: Doc
Post Number: 59
Registered: 9-2001
| | Posted on Sunday, July 21, 2002 - 9:15 am: | |
I 've noticed white smoke emanating from my left exhaust pipe while warming up my '85QV, along with evidence of water condensation at the tips. It's not consistent and I've never noticed anything with the right -side exhaust . It ceases once the engine begins to warm up.In another thread ( "exhaust burbble" ), I reported finding out that a mechanic "tweeked" the fuel mixture to run richer than stock. Could this white smoke be from extra fuel or do you think it's merely water vapor burning off at warmup?As always, your input is valued. |