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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 4+: 60 results shown for Intake Valve.

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

  • Re: digifant injection
    Historical mailing list - David Kao
    Mon, 6 Apr 2009 22:26:51 -0700
    ...Does > the fuel vapor just > > sort of accumulate behind the intake valve until the > intake stroke for > > that cylinder? Surely 3/4 of the...
  • Re: [2] Idle problems
    Historical mailing list
    Fri, 15 Sep 1995 08:23:06 -0400
    ...I found a hole in the little one- >>way valve in the vacuum line that runs fron the intake naifold, all >>the way forward...
  • Re: Vanagon fuel requirement
    Historical mailing list - Joel Walker
    Tue, 15 Sep 1998 08:29:35 CDT
    ...Fuel without the proper additives can cause deposits to collect on fuel injectors, intake ports and valves. This build-up of deposits can cause...
  • Re: quick question- how many valves?
    Historical mailing list - Andrew Grebneff
    Sat, 1 Mar 2003 19:00:43 +1300
    >eight, one exhaust and one intake per cylinder. Unless you have the twin >overhead cam 16V Superboxer. Just kidding. :) Fit Subaru heads? ;-) -- Andrew Grebneff...
  • squishy rocker arm? / adjusting hydro valves
    Historical mailing list - chris
    Tue, 1 Aug 2006 21:54:30 -0700
    adjusting hydraulic valves on aircooled 81, motor was recent rebuilt, now has about 500 miles on it. I did the exhaust and intake on...
  • Digifant II 'Diesel' Conversion Pics
    Historical mailing list - David Marshall
    Mon, 17 Sep 2001 22:05:23 -0700
    ...grinding to the intake manifold so we could open the mouth of it large enough for the A2 series valve to function correctly. The...
  • Re: CO Adjusting Screw, Throttle Valve Switch Test Light Video etc.
    Historical mailing list - Dave Mcneely
    Wed, 27 Jun 2012 08:58:03 -0500
    ...CO Adjusting Screw, Throttle Valve Switch Test Light Video etc. > > > > On 6/26/2012 6:23 PM, neil n wrote: > >> The TB seal may...
  • Power steering boost valve?
    Historical mailing list - Mark Ingalls
    Wed, 27 Sep 2000 07:52:38 CDT
    ...It takes filtered air and puts it into the intake manifold. From the Bentley it appears it is the power steering boost valve. I...
  • Cracks in cylinder heads
    Historical mailing list - Walter E. Stephens
    Wed, 8 Jul 1998 16:57:52 -0700
    ...I have have found a crack that runs from the intake valve seat to the exhaust valve seat, in narrow portion. All four cylinders...
  • Re: I have a dificult one (Very thecnical/Aircooled) NVCBBC
    Historical mailing list - jimt
    Sat, 20 Nov 2004 11:41:20 -0700
    ...so like always, 006 on #1 and up to #2 but???????????????? > Now that am on #2, intake valve on #1 as now a 1...
  • Re: Arduino and Vanagons
    Historical mailing list - Stuart Fedak VE3SMF
    Sat, 16 Nov 2013 14:35:44 -0800
    ...All four injectors open at the same time and inject fuel directly into the intake manifold near the intake valves. Injector quantity is controlled...
  • Re: Oil leaks from tower and air intake
    Historical mailing list - Ken Lewis
    Mon, 27 Jun 2005 17:10:27 -0400
    ...intake I have tried searching the archives for information on someone who replaced the function in the tower with a standard PCV valve. Does...
  • Re: Adjusting Valves 78 Air Cooled
    Historical mailing list - Stan Wilder
    Fri, 31 Jan 2003 22:49:39 -0600
    BTW, I thought the spec for engines with sodium-filled exhaust valves was 0.006 intake, 0.008 exhaust? ------------------ Clip ----------------------- I don't think...
  • Re: lifters for new engine?
    Historical mailing list - Robert Lilley
    Mon, 24 Mar 2003 14:39:08 -0500
    ...the intake AND exhaust. Combined with the light weight (used lighter rockers to avoid using heavier springs to better control the valve when using...
  • Re: VW I-4 Engine Blowout (this is the last one I promise)
    Historical mailing list - Gary Shea
    Thu, 14 Jan 1999 11:34:44 -0700
    ...9 Turbo Diesel Longblock (normal intake ports) > $1450 > Also the definition of Longblock is everything between the valve cover to the > oil pan but...
  • Re: Idle Stablizer Rebuild?
    Historical mailing list - Harvey Chao
    22 Nov 1995 08:36:59 -0800
    ...stuck Idle Control Valve Stablizer Unit? I'm talking about the cylindrical doohickey that sits on top of the intake manifold and vibrates it...
  • More progress in idle problem and a question
    Historical mailing list - Rico Dagastino
    Sun, 25 Oct 2009 14:30:05 EDT
    ...control valve with tape so that no air could pass through that system and reconnected the hose coming from the air intake boot. I...
  • Re: Scoop for breather?
    Historical mailing list - CHRIS STANN
    Tue, 8 Aug 2000 07:24:44 -0500
    > If you force enough air into the intake, it would tear the air filter. > I don't know if such scoops would force enough...
  • Re: digifant injection
    Historical mailing list - neil N
    Mon, 6 Apr 2009 19:51:20 -0700
    ...the > intake stroke was starting for that cylinder. �Does the fuel vapor just > sort of accumulate behind the intake valve until the intake stroke...
  • Re: Vacuum gauge readings
    Historical mailing list - Michael Magnani
    Tue, 28 Oct 2014 00:40:01 -0700
    ...to two intake valves per cylinder , > and the injectors are a twin spray pattern ..each part aimed right at > its intake valve - very nice...
  • Re: Performance Cams.....to cam or to ratio rocker....that is the question
    Historical mailing list - Robert Donalds
    Fri, 29 Mar 2002 10:34:41 -0500
    ...The next restrictions are the intake and exhaust ports. Then the valves making the airflow around these is tricky and the one place we...
  • spark plug orientation affects performance?
    Historical mailing list - Sami Dakhlia
    Wed, 3 Apr 1996 11:53:11 -0600 (CST)
    I read somewhere that it may be advantageous to install spark plugs so that their open end faces the intake valve. This can be...
  • Spark plugs
    Historical mailing list - Evan Mac Donald
    Fri, 11 Jun 2004 17:42:16 -0700
    ...supposed to do was align the grounding electrode away from the intake valve (or wherever else the tuner wanted it to face) Evan Mac...
  • Re: WAS: Starter Motor... Failure: NOW: 50 Circuit Weirdness. ECU Related?
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 15 Dec 2012 13:41:17 -0800
    ...sometimes called IAC valve. and it is attached to the 'intake plenum' for sure. intake snorkles are vertical tubes that run from the outer...
  • Vacuum leak sources
    Historical mailing list - Robert Lilley
    Tue, 16 May 2000 10:33:59 EDT
    ...Cracks in rubber tube Engine breather tube Idle control valve rubber intake tube Valves too tight: This causes a leak and decreases vacuum at...
  • Re: best new heads?
    Historical mailing list
    Mon, 25 Sep 2000 14:37:53 EDT
    ...I have heard people complain that the castings in the intake ports are rough. HA! Look at the casting of the VW intake port...
  • Re: Idle Stabilization parts Costs
    Historical mailing list - David Beierl
    Thu, 24 Feb 2011 18:47:00 -0500
    At 06:40 PM 2/24/2011, Don Hanson wrote: > > I found an Idle Control Valve...the buzzing one near the intake for my...
  • Re: Removing stuck O2 sensor
    Historical mailing list - James
    Tue, 3 Feb 2015 22:21:05 -0500
    ...Seafoam or other intake valve cleaners will make a big difference in a hurry. VW engines are infamous for carboned intake valves - in the...
  • Check / Adjust Aux Air Valve
    Historical mailing list - WVVW
    Fri, 19 Apr 2002 13:45:17 -0400
    I checked the archives and there is mention of a check / adjustment of the aux air valve, but I can find no mention of...
  • AMC Replacement Heads
    Historical mailing list - Smith, Steven A
    Wed, 11 Oct 2000 14:21:18 -0700
    ...Are either or both the intake and exhaust valves deficient? 2. If they are, what replacement valves are available that are equal to or...
  • the reason for those high temps...
    Historical mailing list
    Sun, 1 Oct 1995 13:23:31 -0700
    ...Other than that everything looks pretty good on the heads and valves. Current repair: lap the intake valves to get a better seal, fly...
  • Re: 84 Vanagon stops running intermitantly
    Historical mailing list - Steve Cotsford
    Tue, 18 Dec 2001 22:40:26 EST
    ...This valve is connected to the injector wires inside the harness Try disconnecting this valve. If the problem goes away its your culprit. If...
  • Re: The Head is Off, Assume Cracked?
    Historical mailing list - JRodgers
    Mon, 7 Apr 2014 10:52:03 -0500
    ...It > seems unlikely that coolant would be blown up into the intake from the > cylinder (valve is primarily open on the downstroke), but coolant...
  • Gasoline containg detergents
    Historical mailing list - Subject: Gasoline containg detergents
    March 31, 1990
    ...recommends the use of gasolines which contain detergents to keep intake valves and fuel injectors free of deposits. Gasolines without detergents tend to clog...
  • Re: FW: Idle Control Issues
    Historical mailing list - neil n
    Sat, 20 Jul 2013 11:52:27 -0700
    ...As input power varies, so does valve position and amount of air it allows to bypass into the intake plenum. Under certain conditions (i...
  • Re: seeking Air Cooled info/advice (82 Westy)
    Historical mailing list - Stan Wilder
    Wed, 18 Sep 2002 20:31:26 -0500
    ...Electronic Control Unit (JETRONIC) s Part # 039-906-021C Auxiliary Air Valve Part # 0.280.140.101 Air Cleaner Top and Bottom with intake...
  • Re: I have a dificult one (Very thecnical/Aircooled) NVCBBC
    Historical mailing list - Al and Sue Brase
    Sun, 21 Nov 2004 23:12:00 -0600
    ...so like always, 006 on #1 and up to #2 but???????????????? >>Now that am on #2, intake valve on #1 as now a 1...
  • Re: '56 Bus Work
    Historical mailing list - Steven Johnson
    Sun, 19 May 1996 06:38:05 -0700 (PDT)
    ...the intakes > were fine, and one was a little loose. Well.... it's definately not a good thing...unless you like burnt valves. :O...
  • 1985 Vanagon airflow sensor ?
    Historical mailing list
    Tue, 5 Aug 1997 20:39:30 -0400 (EDT)
    ...Their saying this is caused by a bad intake valve. Anyone know if this is right. Thanks Dave
  • Re: Rough Cost of Engine Rebuild??
    Historical mailing list - Bill Davidson
    Thu, 11 Jan 2001 16:22:54 -0800
    ...The head work > includes mild porting behind the intake valve and some reshaping of the > chamber. I also use the serti style cutters for...
  • H2O Head Cracks
    Historical mailing list - John Sealy
    Thu, 27 Feb 1997 17:58:12 -0800
    Do small cracks between the exhaust and intake valves need to be welded? I am getting conflicting advice from my local mechanic and machine...
  • Leakdown test----what do I need, I already have the spark plug-s chraeder valve
    Historical mailing list - Smola, Tony
    Thu, 7 Mar 2002 17:50:23 -0600
    ...the exhaust for bad exhaust valve? Air coming into the crankcase indicates bad rings/valve guides? leaking intake valve would show air coming out...
  • Re: Intake air flow, improvement possible?
    Historical mailing list - jbange
    Sat, 27 Nov 2004 17:15:05 -0800
    ...The best way to minimize resistance is to have a HUGE STRAIGHT PIPE all the way from filter to intake valve, but the limitations...
  • valve adjustment
    Historical mailing list - Craig Oda - Personal email
    Mon, 8 Jul 2002 19:49:53 -0700
    ...What is the correct order for cylinder valve adjustment and do I have to worry about the difference in the intake and exhaust valves...
  • Re: info needed on crancase ventilation systems (mostly I4)
    Historical mailing list - neil n
    Tue, 1 Dec 2009 10:43:45 -0800
    ...Block vents to/through PCV on valve cover, to intake bellow between AFM and throttle body. If it were me, I'd stick with...
  • leaky EGR valve (air cooled Westy)
    Historical mailing list - Jake Beaulieu
    Fri, 11 Jan 2008 17:39:47 -0500
    ...This valve regulates the delivery of exhaust gas to the air intake system. To test the valve I did the following (1)Plugged the...
  • Re: I have a dificult one (Very thecnical/Aircooled) NVCBBC
    Historical mailing list - Benoit
    Sat, 20 Nov 2004 02:03:52 -0500
    ...so like always, 006 on #1 and up to #2 but???????????????? >>Now that am on #2, intake valve on #1 as now a 1...
  • Backfire thru intake ?
    Historical mailing list
    Tue, 25 Jul 1995 21:17:45 -0600
    ...through the intake. Since we pulled the engine, a friend says I should remove the heads to check for burnt valves just in case...
  • Re: RoadHaus - Escaping Air Sound?
    Historical mailing list - Stan Wilder
    Mon, 16 Feb 2004 18:57:26 -0600
    ...of the stuff went into the engine, through the intake manifold, past the intake valves into the engine, and in a few moments the...
  • <No subject>
    Historical mailing list - wayout
    Sat, 25 Sep 2004 23:15:08 -0400
    OK folks who have done their own valves please advise me. What am I doing wrong? I just put a new head gasket on...
  • Diesel Valve Clicking!
    Historical mailing list - Rex Merriweather
    Thu, 19 Feb 2004 17:47:24 -0800
    ...While turning the crank shaft on the 1.6 Diesel I heard a "Sharp" snap or loud click coming from the #3 intake valve...
  • Re: Sequential vs batch RE: digifant injection
    Historical mailing list - Zeitgeist
    Mon, 6 Apr 2009 21:15:21 -0700
    ...intake valve opening events happen so > fast that by 2-3k rpm the injector is spraying part of the fuel on closed > intake valves...
  • Re: Going back to fuel injection...
    Historical mailing list - Stan Wilder
    Thu, 29 Aug 2002 16:45:23 -0500
    ...Electronic Control Unit (JETRONIC) s Part # 039-906-021C Auxiliary Air Valve Part # 0.280.140.101 Air Cleaner Top and Bottom with intake...
  • Re: Fuel Pressure Question...
    Historical mailing list - Dennis Haynes
    Mon, 6 Sep 2004 22:54:28 -0400
    ...Stmbling problems are usually caused by intake vacuum leaks, uneven fuel delivery (bad injectors), bad intake valves or guides or excessive deposits on the...
  • Re: Excessive Idle
    Historical mailing list - Doktor Tim
    Sun, 13 Oct 2002 15:02:30 -0700
    ...If you have the earlier disc type bypass valve, under the no. 1 intake runner, pull it off and put it in the freezer...
  • Re: Cam timing
    Historical mailing list - Sudhir Desai
    Mon, 20 Aug 2007 02:59:30 -0400
    ...Measured in degrees. > > Overlap is the degree (Degrees/360) of total rotation where both the intake > and the exhaust valves are open at the...
  • Re: Poor Hot Start Discovery - midway through solution
    Historical mailing list - David Beierl
    Sun, 26 Aug 2012 20:34:16 -0400
    ...Thought if purge valve failed fumes might get into >intake via the larger hose from the purge valve. Oops, I'm sorry. That's...
  • 1.9l Heads needed
    Historical mailing list
    Fri, 21 Feb 1997 22:14:04 -0500 (EST)
    ...My heads have the crack between the intake/exhaust valves that has grown beyond the 1 millimeter tolerence allowed according to Bentley. -Gregg Carlen...
  • Re: VANAGON DRAG RACES!......which is actually a faster Vanagon.. ..th e 1.9L timed at 5 degrees BTDC or the 2.1L.......is the re a noticable dif ference?
    Historical mailing list - Smola, Tony
    Tue, 23 Apr 2002 22:29:41 -0500
    ...here are the #'s stock 1.9L intake lift at valve .323" exhaust lift at valve 307" 208 degrees @ .050 stock 2.1L intake...
  • Re: Exhaust Design
    Historical mailing list - Scott Daniel - Turbovans
    Sun, 14 Feb 2010 12:04:41 -0800
    ...go through, and the crudeness of plenum and intake runners, and only one intake valve per cylinder , and 'ok' ports. for comparison ..........and to...