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The Pub For General Automotive Related Talk |
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#1 | ||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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Just looking at the wife's car exhaust tips today and around the outside edge is a white crud build up, just touch it and off it comes easy as like but very powdery like on my fingers.
The inside of the pipes has never been anything ever than totally clean, never black or any soot by wiping your finger. Not to mention never uses a drop of oil ever but 1mm on the stick in 10,000KM if that. She uses Woolworths E10 fuel in it. |
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#3 | ||
Peter Car
Join Date: Dec 2004
Location: geelong
Posts: 23,145
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Coolant getting into the combustion chamber?
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#5 | ||
FF.Com.Au Hardcore
Join Date: Jan 2010
Posts: 11,293
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Probably from condensation deposits as exhaust cools to ambient
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#6 | ||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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2011 Toyota Aurion 3.5L V6 160,000km.
The Radiator coolant is fine and all. First time I have seen this white stuff around both of the exhaust tips. It still has the original spark plugs in it and runs fine as ever. Why would condensation be any different now to make a difference at the pipe like that. I will wipe it off and see what happens then. |
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#7 | ||
FF.Com.Au Hardcore
Join Date: Feb 2005
Posts: 5,052
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White residue is ash so you're burning something with mineral contamination in it. Run your tank to empty and fill up somewhere else and compare.
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#8 | ||
Regular Member
Join Date: Oct 2008
Posts: 348
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Perhaps a tank of 98?
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#9 | |||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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Quote:
For my dirt bike I fill on Gerry tanks with 98 octane for it and once had got a fuel that smelt different and got splash on my fact and arm a bit and it felt like burning my skin, so I washed it off directly with soap. I remember something was happening at the Refinery at about that time with some Ship coming in mix up. so who knows what fuel we can get at times differing somewhat ? Many times I can tell what fuel a car is running on by the smell of the engine running easy, but I think they have changed over the last year. Caltex type 91 unleaded you could pick easy as for years as it stunk of rotten eggs. 91 BP and Shell was a clean burning smell and 95, 98 stronger sweeter smell and E10 different again more of a more burnt hotter smell riding behind other bike using such. But as to the white powder tips I have looked up the Web and found others the same but no one has pointed out the facts as to why. I know that some Stations have used much more ethanol etc as it's cheaper to save money, some have been caught using like E30 or more ? Maybe it's the Russians ? Putin putting something in the fuel ? or Joh Biden with his bag of tricks, or his good mate G Soros scams. or that moron Dictator in Ukraine who can get away with anything without questioning at all. Australia does not make it's own petrol anymore so who knows what is put in it ? |
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#10 | |||
FF.Com.Au Hardcore
Join Date: Jan 2010
Posts: 11,293
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Quote:
can go to work on the exposed steel at the tip…just a thought mate as I don’t think it’s much more than that… |
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#12 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,026
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This just bought back memories. In the leaded fuel days white or very light gray inside the exhaust pipe was a sign of an well tuned efficiently running vehicle to the extent that in the 70's I once caught a local unscrupulous (as most were then) used car dealer going around his lot spraying the inside of the tailpipe of all his cars using a spray can of white paint.
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regards Blue |
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#13 | ||
FF.Com.Au Hardcore
Join Date: Oct 2010
Location: W.A.
Posts: 1,713
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Yep, my old XB 302 would only get the grey-white ash after a longish trip.
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His: 2019 Ford Focus SA Trend with Driver Assist Pack: 1.5 Ecoboost 3-cylinder (yes, 3 cylinders!), 8-speed automatic in Ruby Red. ![]() Hers: 2020 Ford Puma JK: 1.0 Ecoboost 3-cylinder, 7-speed DCT in Frozen White. |
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#14 | ||
Experienced Member
Join Date: Sep 2006
Location: Australasia
Posts: 7,564
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#15 | |||
FF.Com.Au Hardcore
Join Date: Jan 2018
Posts: 990
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Quote:
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#16 | ||
Shenanigans..............
Join Date: Mar 2007
Location: Footscrazy
Posts: 12,364
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Spark plugs were the best indicator, until lead was phased out. Horrible reddish-brown deposits when using valve saver additives.
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#17 | |||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,026
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Quote:
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regards Blue |
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