Search messages and discussions

Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 7+: 60 results shown for Hydrocarbons.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

• Re: SAVE THIS BUS
  Historical mailing list
  Fri, 7 Apr 1995 12:07:13 GMT
  ...at the bottom is in place. Then they check at idle: hydrocarbons 700 ppm max carbon monoxide 6 % max idle rpm 1100 rpm max...
• Smog check, II, wieght.
  Historical mailing list
  Fri, 5 Apr 1996 16:21:42 -0800
  ...The lean-out adjustment resulted in much more O2 in the bus exhaust, while also slightly raising C02, AND lower unburned hydrocarbons. So how...
• Re: Smog test failed - here is my plan
  Historical mailing list - Rocket J Squirrel
  Wed, 22 Jul 2009 13:52:41 -0700
  ...It has > passed twice before without needing help, but not this time. > > It has high hydrocarbons at idle, which means it is running rich...
• Re: Engine Conversions
  Historical mailing list - Jim Akiba
  Tue, 4 Mar 2008 00:34:50 -0500
  ...Being > allowed some 200ppm of unburned hydrocarbons at idle is still a bad deal. > > > Dennis > > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry...
• Re: re; smog sympathies
  Historical mailing list - Scot Douglas
  Mon, 2 Mar 1998 21:35:27 -0500
  ...The air pump added extra air (about 19% oxidizer) to burn the added hydrocarbons from running rich. It is misinformed opinions like yours and...
• Re: O2 sensors effect on power
  Historical mailing list - David Beierl
  Tue, 6 Mar 2001 13:57:58 -0500
  ...The three-way cat takes oxygen from oxides of nitrogen, reducing them to nitrogen; and gives that oxygen to the hydrocarbons and carbon monoxide...
• Re: O2 sensors effect on power
  Historical mailing list - David Beierl
  Tue, 6 Mar 2001 13:57:58 -0500
  ...The three-way cat takes oxygen from oxides of nitrogen, reducing them to nitrogen; and gives that oxygen to the hydrocarbons and carbon monoxide...
• Re: Calif Smog Issues
  Historical mailing list - Dennis Haynes
  Mon, 25 Oct 2004 22:38:00 -0400
  ...Took my '82 (Federal) to a Test Only station and failed fairly significantly in the Hydrocarbons (HC) and Carbon Monoxide (CO). I'd installed...
• Re: Smog test failed - here is my plan
  Historical mailing list - Roland
  Wed, 22 Jul 2009 15:51:27 -0700
  ...It >> has >> passed twice before without needing help, but not this time. >> >> It has high hydrocarbons at idle, which means it is running rich...
• Re: burning plastic
  Historical mailing list - Dan R. Greening
  Wed, 18 Jun 1997 13:19:03 -0700
  ...This is because unburned hydrocarbons are implicated in cancers, particulates in asthma and emphesema, and low-temperature oxides of plastics, such as dioxin and...
• Re: Propex alternative?
  Historical mailing list - Rocket J Squirrel
  Mon, 4 Nov 2013 17:06:47 -0800
  ...the process, the most efficient is the Kero > using long chain hydrocarbons as the energy source. The least > efficient is the Propane. So for...
• Re: nuts vs head gasket job
  Historical mailing list - Scott Daniel
  Wed, 4 Sep 2013 18:13:05 -0700
  ...the sniffer tests is that they are looking for >> un-burned hydrocarbons. In order for this to work in addition to the leak >> you...
• Re: LP gas question--does this happen to you?
  Historical mailing list - Karl Wolz
  Wed, 29 Dec 2004 11:02:37 -0700
  ...Butane and Propane are both saturated hydrocarbons. They do not react with other. Butane is less volatile and boils at 0.6 deg C...
• Re: EPA and Vanagon Emissions-reducing Vanagon pollution.
  Historical mailing list - George Laubach
  Sat, 30 Jun 2012 18:55:47 -0500
  ...This controls hydrocarbons being released into >> the air from evaporating fuel. >> Do not over advance the ignition timing or during rebuild consider >> engine modifications...
• Re: A damn OS question again, yea!!! now i need some help, it's my turn....
  Historical mailing list - David Beierl
  Tue, 7 May 2002 12:11:03 -0400
  ...catalytic converter to take oxides of nitrogen, carbon monoxide and unburned hydrocarbons and recombine them into carbon dioxide and water. >If your reading is...
• Re: Emissions, Was: AC While Camping
  Historical mailing list - Richard Duvernay
  Thu, 10 Jun 2010 13:36:47 -0700
  ...c) For other than diesel-powered vehicles, the vehicle emissions of hydrocarbons, carbon monoxide, carbon dioxide, and oxides of nitrogen in an idle mode...
• Re: 85 wbx miss at idle...update =)
  Historical mailing list - Chuck Mathis
  Mon, 19 Jan 2004 06:47:33 -0600
  ...It is also my experience that setting it > to 5 BTDC makes it quite foul at idle, you can smell the unburnt > hydrocarbons, probably...
• Re: CARB Certification
  Historical mailing list - Brent Christensen
  Thu, 28 Mar 2002 13:03:05 -0800
  ...the tailpipe, rev >it up and down, and measure the fumes. Hydrocarbons, Nitrous oxides, >Carbon >Monoxide, etc. Pass or fail. They also pressure test...
• Re: Head leak
  Historical mailing list - Ben
  Mon, 6 Aug 2007 09:54:45 -0400
  ...be >>>done? I have no coolant in the oil and no hydrocarbons in the coolant >>> >>> >and > > >>>no apparent loss of performance. Hmm. . . >>> >>>Brendan >>>84...
• Re: nuts vs head gasket job
  Historical mailing list - Dennis Haynes
  Thu, 5 Sep 2013 22:11:24 -0400
  ...the sniffer tests is that they are looking > for un-burned hydrocarbons. In order for this to work in addition to > the leak you...
• Re: Hello, new here. Mechanic question
  Historical mailing list - Dave Mcneely
  Fri, 14 Feb 2014 18:39:57 -0600
  ...second test at the smog place was worse than the first > > (hydrocarbons allowable 400, first time 434 second time 535). > > Instrestingly the total bill...
• Re: The Dreaded Emissions test
  Historical mailing list - Dennis Haynes
  Sun, 12 Jun 2011 23:02:32 -0400
  ...Excessive HC (hydrocarbons) is the result of fuel that never got ignited or escaped before the burn was complete. Although with good ignition and...
• Re: Not passing smog, still... Need help!
  Historical mailing list - Steven Dodson
  Sat, 24 Aug 2002 23:23:37 -0700
  ...Need help! I strongly suspect that weak cylinder is putting off enough unburned hydrocarbons that the mean effect is you are out of the...
• Re: Success!
  Historical mailing list - Ken Wilford
  Wed, 30 Dec 2009 10:11:08 -0500
  ...You can also > have it sniffed for hydrocarbons and that will tell you for sure the gasses > are being injected into the cooling system...
• Re: nuts vs head gasket job
  Historical mailing list - Jim Felder
  Wed, 4 Sep 2013 18:37:26 -0500
  ...the sniffer tests is that they are looking > for > > un-burned hydrocarbons. In order for this to work in addition to the leak > > you...
• Re: SMOG TEST failure
  Historical mailing list - Dennis Haynes
  Thu, 7 Feb 2008 21:07:08 -0500
  ...Excessive Hydrocarbons. This is fuel that never started to burn or get ignited. Yep, raw gas out the pipe. Usual causes are ignition miss...
• Re: Smog test failed - here is my plan
  Historical mailing list - B
  Wed, 22 Jul 2009 19:47:31 -0700
  ...It >>> has >>> passed twice before without needing help, but not this time. >>> >>> It has high hydrocarbons at idle, which means it is running rich...
• Re: Smog test failed - here is my plan
  Historical mailing list - Roland
  Wed, 5 Aug 2009 08:30:53 -0700
  ...It has > passed twice before without needing help, but not this time. > > It has high hydrocarbons at idle, which means it is running rich...
• <No subject>
  Historical mailing list - Karl Wolz
  Tue, 1 May 2001 07:19:29 -0700
  Tony, When hydrocarbons bond with oxygen, the byproducts are carbon dioxide and water, along with a percentage of pollutants, etc. When your exhaust is...
• Re: Expansion tank under pressure when cold?
  Historical mailing list - Michael McSwain
  Thu, 18 Feb 2016 17:12:08 +0000
  ...Using the emissions sniffer or even test solutions to look for > hydrocarbons in the coolant is really limited. The leak has to be so...
• Re: Propex alternative? and Fan
  Historical mailing list - Jonce Fancher
  Mon, 4 Nov 2013 20:30:24 -0500
  ...the process, the most efficient is the Kero >>using long chain hydrocarbons as the energy source. The least >>efficient is the Propane. So for...
• Re: Paint job pricing-Doing the exhaust right!
  Historical mailing list - Dennis Haynes
  Wed, 14 Aug 2013 13:58:39 -0400
  ...Part of its job is to burn off any unburned hydrocarbons. The inlet side, especially on aftermarket Cats will tend to burn out and...
• Re: Last gasp: low compression exhaust valve can't pass smog
  Historical mailing list - Roland
  Wed, 26 Jan 2011 10:37:22 -0800
  ...The summary: - 2.1 WBX wouldn't pass smog, failed hydrocarbons at idle. The most likely reason it was missing; due to low compression...
• Re: nuts vs head gasket job
  Historical mailing list - Scott Daniel
  Wed, 4 Sep 2013 18:25:21 -0700
  ...the sniffer tests is that they are looking >> for >>> un-burned hydrocarbons. In order for this to work in addition to the leak >>> you...
• Re: Calif Smog Issues
  Historical mailing list - Tom Young
  Mon, 25 Oct 2004 20:20:37 -0700
  ...Calif Smog Issues > > Hi all: > > Took my '82 (Federal) to a Test Only station and failed fairly > significantly > in the Hydrocarbons (HC) and Carbon...
• Re: Head leak, chem sealer experience
  Historical mailing list - dylan friedman
  Mon, 6 Aug 2007 07:12:35 -0700
  ...be >>>done? I have no coolant in the oil and no hydrocarbons in the coolant >>> >>> >and > > >>>no apparent loss of performance. Hmm. . . >>> >>>Brendan >>>84...
• Re: cooling system diagnostic help? Long, lots of info about whats been done so far.
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 26 Apr 2010 14:03:31 -0700
  ...next ...sniff the coolant for hydrocarbons, or use one of theose 'block testing' dye kits. The test fluid turns yellow ( or brown, forget which...
• Re: The Dreaded Emissions test
  Historical mailing list - Ken Wyatt
  Tue, 14 Jun 2011 21:45:03 -0600
  ...by a rich mixture or poor > vaporization and mixing. > > Excessive HC (hydrocarbons) is the result of fuel that never got ignited or > escaped before...
• Re: SMOG TEST failure
  Historical mailing list - John Goubeaux
  Thu, 7 Feb 2008 18:28:11 -0800
  ...The Vanagon should be able to get > near 1% even before the Cat. > > Excessive Hydrocarbons. This is fuel that never started to burn or...
• Re: Smog test failed - here is my plan
  Historical mailing list - Roland
  Wed, 22 Jul 2009 15:46:44 -0700
  ...It >> has >> passed twice before without needing help, but not this time. >> >> It has high hydrocarbons at idle, which means it is running rich...
• Re: Expansion tank under pressure when cold?
  Historical mailing list - thewestyman
  Thu, 18 Feb 2016 09:28:19 -0800
  ...Using the emissions sniffer or even test solutions to look for > hydrocarbons in the coolant is really limited. The leak has to be so...
• Re: Manifold measuring - is this right?
  Historical mailing list - Michael Elliott
  Wed, 24 Oct 2007 21:29:30 -0700
  ...I've tried to find a leak by spreading hydrocarbons, like carb cleaner and propane hither and yon around any and all joints and...
• Re: Propex alternative? and Fan
  Historical mailing list - Rocket J Squirrel
  Mon, 4 Nov 2013 18:55:43 -0800
  ...the process, the most efficient is the Kero >>> using long chain hydrocarbons as the energy source. The least >>> efficient is the Propane. So for...
• Re: Calif Smog Issues
  Historical mailing list - jimt
  Mon, 25 Oct 2004 21:46:07 -0600
  ...Calif Smog Issues >> >> Hi all: >> >> Took my '82 (Federal) to a Test Only station and failed fairly >> significantly >> in the Hydrocarbons (HC) and Carbon...
• Re: Sick of overheating....Friday question and comment....
  Historical mailing list - SDF ( aka ;jim lahey' - Scott )
  Sat, 12 Dec 2015 00:24:37 -1000
  ...A sniff test on the pressure bottle my not reveal hydrocarbons i the coolant. I've seen the sumptom so bad it puffed up...
• Re: 1984 Volkswagen Vanagon Eats Water Pumps/Dennis' opinion of emmision mods
  Historical mailing list
  Sat, 7 Sep 1996 01:18:13 -0400
  ...Ed >> The O2 sensor system uses a three way cat to control Hydrocarbons, Carbon monoxide, and oxides of nitrogen. The NOX is the real...
• Re: Expansion tank under pressure when cold?
  Historical mailing list - Dennis Haynes
  Fri, 19 Feb 2016 01:19:58 -0500
  ...Using the emissions sniffer or even test solutions to look for > hydrocarbons in the coolant is really limited. The leak has to be so...
• Re: `Cont'd: After 3000 mi trip: 84h2o overheating, grinding gears(manual trans
  Historical mailing list - Dennis Haynes
  Sun, 27 Jan 2002 19:10:21 -0500
  ...The coolant system can also be checked d for the presence of hydrocarbons. Make sure the pressure cap is good. If you see air...
• Re: Expansion tank under pressure when cold?
  Historical mailing list - Michael McSwain
  Thu, 18 Feb 2016 17:37:24 +0000
  ...Using the emissions sniffer or even test solutions to look for > > hydrocarbons in the coolant is really limited. The leak has to be so...
• Re: Expansion tank under pressure when cold?
  Historical mailing list - Stuart MacMillan
  Thu, 18 Feb 2016 10:34:04 -0800
  ...Using the emissions sniffer or even test solutions to look for > hydrocarbons in the coolant is really limited. The leak has to be so...
• Re: Propex alternative?
  Historical mailing list - Don Hanson
  Mon, 4 Nov 2013 17:26:43 -0800
  ...the process, the most efficient is the Kero >> using long chain hydrocarbons as the energy source. The least >> efficient is the Propane. So for...
• Re: Calif Smog Issues
  Historical mailing list - Joseph Fortino
  Tue, 26 Oct 2004 11:00:14 -0700
  ...Calif Smog Issues >> >> Hi all: >> >> Took my '82 (Federal) to a Test Only station and failed fairly >> significantly >> in the Hydrocarbons (HC) and Carbon...
• Re: 1984 Dennis' opinion of emmision mods/Ed"s Soapboxing(long)
  Historical mailing list
  Sun, 8 Sep 1996 17:40:46 -0400
  ...The O2 sensor system uses a three way cat to control Hydrocarbons, Carbon monoxide, and oxides of nitrogen. The NOX is the real culprit...
• Re: Propex alternative? and Fan 12 volt ceiling fan.
  Historical mailing list - Dennis Haynes
  Tue, 5 Nov 2013 00:41:20 -0500
  ...the process, the most efficient is >>> the Kero using long chain hydrocarbons as the energy source. The >>> least efficient is the Propane. So for...
• Re: Calif Smog Issues
  Historical mailing list - gary hradek
  Mon, 3 Jan 2005 13:20:53 -0800
  ...Calif Smog Issues > > > > > > > > Hi all: > > > > > > > > Took my '82 (Federal) to a Test Only station > and > > > > failed fairly > > > > significantly > > > > in the Hydrocarbons (HC) and Carbon...
• Re: nuts vs head gasket job
  Historical mailing list - Tom Carchrae
  Thu, 5 Sep 2013 20:49:50 -0700
  ...the sniffer tests is that they are looking > > for un-burned hydrocarbons. In order for this to work in addition to > > the leak you...
• Re: The Dreaded Emissions test
  Historical mailing list - Dennis Haynes
  Wed, 15 Jun 2011 06:19:46 -0400
  ...by a rich mixture or > poor vaporization and mixing. > > Excessive HC (hydrocarbons) is the result of fuel that never got > ignited or escaped before...
• Re: Smog test failed - here is my plan
  Historical mailing list - Roland
  Tue, 11 Aug 2009 08:21:18 -0700
  ...It >> has passed twice before without needing help, but not this time. >> >> It has high hydrocarbons at idle, which means it is running rich...
• Re: Calif Smog Issues
  Historical mailing list - jimt
  Tue, 26 Oct 2004 12:21:34 -0600
  ...Calif Smog Issues >>> >>> Hi all: >>> >>> Took my '82 (Federal) to a Test Only station and failed fairly >>> significantly >>> in the Hydrocarbons (HC) and Carbon...
• Private Re: [VANAGON] Reality Check on New & Better VW Campers
  Historical mailing list - David Beierl
  Sun, 28 Nov 2010 18:35:43 -0500
  ...irresponsibility? Does it involve $expended/person, $capital/person, ft^3/person, hydrocarbons used/person/year, incremental stress on transportation infrastructure/person, wretched-excess quotient...