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21-12-17, 05:22 PM | #11 |
Grown up member
Classic Audi Club Member
Join Date: Dec 2010
Location: Bingley
Posts: 634
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There is a formula that shows how much water is produced from burning 1 gallon of pertrol, I think it something like 1.5 gallons of water per gallon of petrol burnt.
I guess that in cold climates (or winter) we see more condensation as the colder air can't hold the water vapour so its visible where in warm climates (or summer) its contained so not visible. I'm sure someone with a PHD in physics can explain whats happening and why. |
21-12-17, 05:27 PM | #12 | |
4 ring whore!
Join Date: Jan 2017
Posts: 3,124
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Quote:
Not sure and cant remember, too much cr@p has passed between my ears since my engineering learning days. Thanks for all the confirms lads, just never had a engine produce as much water vapour as this, even the Cobra with the slightly larger engine doesn't produce as much water vapour as the Audi. Doesn't do half as much to the gallon either, so I shouldn't complain. Cheers boys and girls David |
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22-12-17, 07:44 PM | #13 |
Grown up member
Join Date: Feb 2012
Posts: 57
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I had the same on my b3 and b4. I once fitted a new rear silencer and ran the engine to check for leaks from the joint. It was blowing slightly so off with the new exhaust silencer to clean the mating faces and fit a new sealing ring.
Could hear the water sloshing around inside and tipped out what must have been almost a mug full. All that water had been produced after idling the engine for no more than 5 minutes. No loss of engine coolant or other signs of head gasket failure btw. Refitted it and drilled a 2mm drain hole on the underside of the silencer, immediately this reduced condensation produced in the winter and was quite surprised by how much water drained out when parked on an incline. |
22-12-17, 10:00 PM | #14 |
4 ring whore!
Join Date: Jan 2017
Posts: 3,124
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Thanks for all the help lads, and more overly comforting words that it isn't unique, guess I shall give it a bit of an Italian tune up over smash
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23-12-17, 06:20 PM | #15 |
Grown up member
Classic Audi Club Member
Join Date: Dec 2010
Location: Bingley
Posts: 634
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Looks like the later cars have the same problem, this RS6 seller does hinself no favours on the Ebay pictures with the engine running, exhaust looks likes its smoking !
https://www.ebay.co.uk/itm/Audi-RS6-....c100005.m1851 |
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