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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 5+: 60 results shown for compression.

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

  • Re: Engine Advice Needed
    Historical mailing list - Stuart MacMillan
    Sat, 24 May 2014 10:09:00 -0700
    ...You need to figure out if it's valve or rings causing the low compression. Do the compression test again with a squirt of...
  • diesel compressoin- too high?
    Historical mailing list - Bradley Flubacher
    Mon, 6 Nov 2000 10:33:44 -0500
    Are there reasons that a measured diesel compression would be too high? I bought a new guage and measured the compression, the cylinders measured...
  • Compression Test Question
    Historical mailing list - Ronald D Maxseiner
    Thu, 28 Nov 2002 15:50:09 -0500
    I was going to perform my own compression test this weekend. I have researched the archive and found a good procedure but there is...
  • Re: Leakdown and compression test results
    Historical mailing list - Jake Beaulieu
    Mon, 16 Apr 2007 09:43:11 -0400
    ...can't exceed 18 psi of difference." I just did a compression test on my air cooled motor and the Bentley says that the...
  • Re: 2.1 wbx Compression Test
    Historical mailing list - Stuart MacMillan
    Thu, 4 May 2017 20:33:11 -0700
    ...2.1 wbx Compression Test On 5/4/17, Neil N <musomuso@gmail.com> wrote: > As a last resort, I will check the head...
  • Re: compression data
    Historical mailing list
    Fri, 20 Jan 95 21:01:12 EST
    ...The engine I have has a compression ratio of 145 psi(air-cooled). The engine that I junked had cylinders with a compression ratio...
  • Re: Replacing Propane Regulator Advice?
    Historical mailing list - Dennis Haynes
    Sun, 10 Jan 2010 00:38:33 -0500
    You didn�t say you used compression fittings on propane did you? Yes there are some special compression or push lock type fitting listed...
  • Re: How do you check compression?
    Historical mailing list - Mark Drillock
    Thu, 13 Sep 2007 11:17:56 -0700
    ...How do you check compression? >>> >>>I was told by a mechanic that when checking compression for a 4 cylinder >>>engine I should get 4...
  • Re: Engine Advice Needed
    Historical mailing list - mark drillock
    Sat, 24 May 2014 10:34:21 -0700
    ...Then compression test that cyl again. At this point I would pull the 1 plug, test the compression again to get a new base...
  • Re: Compression braking & Power Loss
    Historical mailing list - John Bange
    Tue, 21 Feb 2006 14:34:27 -0800
    > > For some reason, > COMPRESSION BRAKING seems to throw something out of whack. > > Is this a clue? Or a red herring? If it's a...
  • Re: Compression braking & Power Loss
    Historical mailing list
    Fri, 24 Feb 2006 11:48:31 -0500
    ...As I have always > understood it, in gasoline engines, "compression braking" relied on > the compression stroke to provided resistance to slow down the vehicle...
  • Re: Odd Compression Readings
    Historical mailing list - Dennis Haynes
    Thu, 6 May 2004 18:51:02 -0400
    ...Odd Compression Readings Earlier this week I was at Frank Condelli's for some Spring Tune-Up. He measured my compression as 130, 165...
  • Re: 1.6 litre diesel heads - regular vs turbo-diesel
    Historical mailing list - Mike Catlin
    Sun, 8 Dec 1996 09:42:51 -0800 (PST)
    ...Do you mean that he uses a thicker gasket > than specs call for, so that the compression is lower and hence the motor > has...
  • selecting a compression tester
    Historical mailing list - John Lauterbach
    Thu, 22 Dec 2011 22:08:03 -0500
    ...Several list members have mentioned need for a compression test and a leak-down test. Local shops are already on Christmas schedule (remember, this...
  • Re: Another tired WBX?
    Historical mailing list - Zoran Mladen
    Sun, 10 Aug 2003 19:36:09 -0700
    Bentley minimum compression is 118. So you are bordering. How does it drive. Over time you will continue to lose compression. At some point...
  • Re: How do you check compression?
    Historical mailing list - Mark Drillock
    Thu, 13 Sep 2007 14:58:46 -0700
    ...How do you check compression? > > Why not read and follow the MANUAL?!!! Then we can compare over time > with meaningful results. > > The VW service...
  • What's considered good compression on a 2.1L?
    Historical mailing list - Mark A Kippert
    Thu, 11 Dec 2008 16:54:37 -0500
    ...I plan to replace plugs and thought I'd check cylinder compression. The PO didn't know the engines history and with over 200k...
  • Still running like crap, the saga continues - Compression Test
    Historical mailing list - BJ Feddish
    Wed, 19 Mar 2008 17:04:52 -0400
    ...He said the compression varied from 95 to 135. How bad is that? What have I got a month, year, decade left on this...
  • Re: 2nd opinion wtd: Compression vs Head gasket leak
    Historical mailing list - Michael Ayers
    Thu, 29 Jan 2004 19:44:50 -0600
    ...I had good compression on all 4 cylinders (140+), but was still loosing coolant. Replaced the gaskets and all was fine. Mike ----- Original Message...
  • Re: In heat now, '87 Westy on horizon
    Historical mailing list
    Fri, 20 Jan 95 14:54:12 PST
    >> >> >>Does someone have the 'specs' on compression for a 2.1L per VW? I know the real >>world ones run around 110psi (low end...
  • Re: vanagon won't start
    Historical mailing list - Lawrence Johnson
    Tue, 22 Sep 1998 19:30:35 -0400
    ...spark happening at the right time? 4) compression - if the plugs are clean then your compression is probably adequate for starting. Larry > Diagnosis help...
  • Rings or Valve Guides (82 air cooled)
    Historical mailing list - Anthony Zygmunt
    Fri, 12 Oct 2007 14:33:51 -0700
    ...So the compression is ok right? If the compression is ok, then I should not be getting oil in the cylinder due to the...
  • Re: Low compression results accurate?
    Historical mailing list - David Kao
    Tue, 17 Mar 2009 13:02:53 -0700
    ...My tired 84 has compression about 115 - 120 PSI all 4 cylinders. It runs well on slopes still. However, befor I rebuilt my 83...
  • Re: Still running like crap, the saga continues - Compression Test
    Historical mailing list - Mike
    Wed, 19 Mar 2008 17:43:22 -0400
    ...A differential compression (leakdown) tester will show your mechanic where it's leaking, and then you can determine a course of action from there...
  • Re: compression & advance
    Historical mailing list - Linda Bartnik
    Thu, 4 Jun 1998 12:36:08 -0400
    ...What's making it overheat, if not the advance and/or low compression? Sean Bartnik Johnson City, Tennessee '81 Vanagon L Westfalia
  • Re: valve adj.: lower compression, valvetrain noise remains
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 19 May 2012 16:20:45 -0700
    ...I assume you did them with each cylinder on compression ., which is easy to tell from distributor rotor position. and ...I think the current...
  • Re: Hydro lifters (# of turn)
    Historical mailing list - The corruptor
    Fri, 25 Jun 2004 02:25:24 -0400
    ...Ok, i will do my own test, starting with 1 and checking compression, afterward, i will move to 1.5, cheking compression again.....and...
  • Re: Cooling System (more White Smoke) symptoms
    Historical mailing list - Mike Collum
    Mon, 27 Aug 2007 07:55:34 -0400
    ...anything to do with compression per se > as it would in a 'normal' engine. > > You could still have normal compression if that gasket was...
  • low compression @ no. 1 & 3
    Historical mailing list
    Mon, 18 Sep 95 14:03:15 PDT
    ...1 & 3 compression reading is 55 while no. 2 & 4 have ~120. Is the headgasket inbetween 1 & 3 cracked? I'm in Sunnyvale, can...
  • COMPRESSION {#~<�>~#} Why so low?
    Historical mailing list - Various
    Fri, 19 Sep 2003 13:11:52 -0300
    ...So I check the Compression, ugh!, low, low, low 1 = 60 2 = 90 3 = 60 4 = 0 So this is it: what else could...
  • compression test
    Historical mailing list - geofflaw
    Fri, 8 Dec 2000 21:48:55 -0800
    Ever wonder how your mechanic does a compression test? Itook a van in for testing and the guy showed me. He jacks up one...
  • Re: How do you check compression?
    Historical mailing list - Dennis Haynes
    Wed, 12 Sep 2007 23:29:46 -0400
    ...How do you check compression? I was told by a mechanic that when checking compression for a 4 cylinder engine I should get 4...
  • 84 Westy strange compression readings
    Historical mailing list - Buffy and Philip Simmons
    Sat, 9 Mar 2002 13:32:08 -0800
    ...Did a compression test (should have prior to purchase, I know) and cylinders 2-4 read 145 each. But #1 reads 180. weird, any...
  • Re: Continuing saga 82 aircooled 2.0l westy emission failure issues update
    Historical mailing list - Dennis Haynes
    Sun, 29 Jul 2012 20:58:37 -0400
    ...I'll redo compression with a warmed > up engine and then do ta wet compression later. I will report back > what I find. > thanks...
  • Re: piston wear and compression
    Historical mailing list
    Tue, 22 Oct 1996 20:43:41 -0400
    ...Why would the leading edge of the piston wear like that and would that cause the drop in compression? I would assume that the...
  • Re: Billy Bones' never ending story
    Historical mailing list - George Goff
    Sat, 13 Mar 2004 08:23:32 EST
    In a message dated 3/12/04 11:16:16 PM, wlail@OU.EDU writes: << Compression, based upon my Sears Actron compression tester is...
  • Re: compression tests-- good enough?
    Historical mailing list - Tom Young
    Thu, 24 Jun 1999 08:01:51 -0700
    ...A "wet" compression test and/or a "leakdown" test would help pinpoint where the problem is (rings, head), but if you're committed to...
  • Re: Euro Vanagons 2.1L have 112 horsies......how do they accomplish t his?.....compression @ 10:1?.....G-cam?
    Historical mailing list - Mathieu Bertrand
    Fri, 15 Mar 2002 00:11:49 +0000
    Europeen 2.1L have higher compression ratio. 10:1 I think. >From: MDC Vanagon <vanagon@SPEAKEASY.ORG> >Reply-To: MDC Vanagon <vanagon@SPEAKEASY.ORG...
  • Re: another diesel question
    Historical mailing list - Michael Snow
    Sat, 9 Jun 2001 17:24:23 -0700
    ...Are there differences in compression. Bentley says > 406 psi is minimum compression. Are there methods that would > produce lower results that would be appropriate...
  • Re: compression...
    Historical mailing list - Jason Willenbrock
    Thu, 9 Oct 2003 13:29:04 -0400
    ...DIV>&gt;To: vanagon@GERRY.VANAGON.COM <DIV></DIV>&gt;Subject: compression... <DIV></DIV>&gt;Date: Wed, 8 Oct 2003 19:55:19 -0700...
  • unclassified Compression and other topics
    Historical mailing list - Thomas, Geoffrey
    Tue, 25 May 2004 16:40:20 -0400
    ...I asked for an analysis of the coolant for combustion gases and I also asked for a compression test. Now this company has done...
  • Re: 2.1 heads
    Historical mailing list - Allan Streib
    Wed, 16 Sep 2009 10:12:17 -0400
    Is he using Premium gas? The higher compression GW engines call for premium gasoline. Allan -- 1991 Vanagon GL On Tue, 15 Sep 2009 23...
  • Re: Propex and getting gas tight fittings
    Historical mailing list - David Beierl
    Sat, 6 Jun 2009 18:45:59 -0400
    At 06:25 PM 6/6/2009, Troy wrote: >Neither flare fittings nor compression fittings require tape. Only >threaded joint connections require tape or...
  • Re: FS: Vangon Camper in Seattle -must sell by 26 Jun - make an offer
    Historical mailing list - Dana Morphew
    Sun, 24 Jun 2001 08:25:38 -0700
    The Bentley, page 15.16, gives the compression range as 406-493 psi. The engine in this Vanagon needs new rings at the least...
  • WTB: used 1.9 pistons and cylinders
    Historical mailing list - Jonathan Farrugia
    Sat, 23 Sep 2006 23:17:33 -0400
    ...the funny part is that i tested compression before tearing it apart and compression tested good! jonathan
  • Re: Zero valve settings
    Historical mailing list - Dennis Haynes
    Sun, 5 Apr 2015 08:49:11 -0400
    ...I rebuilt a motor that I thought had no compression when it would run for about 15 min the compression would drop off to...
  • Re: Blue smoke at start-up
    Historical mailing list - John Rodgers
    Mon, 14 Jan 2002 22:09:26 -0600
    Kris, have a compression test done immediately. My van did this moke routine and not long after I had a piston fail. A compression...
  • Re: Interpretting Compression Values- 88GL?
    Historical mailing list - Richard Williams
    Wed, 4 Jun 2003 12:28:49 -0700
    ...Interpretting Compression Values- 88GL? > Try the updated lifter adjustments first, then redo the comp test. Make > darn sure you use the correct German oil...
  • Re: 1.9 Compression?
    Historical mailing list - Scott Daniel - Turbovans
    Thu, 31 Dec 2009 16:00:40 -0800
    ...1.9 Compression? I'm looking at an 84 Westy on Saturday. The guy want $6500 for it. It looks really clean but has...
  • Re: Compression Test on Aircooled 1600
    Historical mailing list - Alan J. Flint
    Fri, 14 Jan 2000 06:43:15 -0800
    On Fri, 14 Jan 2000, Phil Marston wrote: > Some quick pointers please about compression testing. > > 1 - Should the engine be hot or cold when...
  • Re: Is this the cause of my engine compression problem?
    Historical mailing list - Mike Riley
    Mon, 18 Jun 2007 15:09:07 -0400
    I think you can eleminate the rings and pistons as the cause, because of the cylinders swapping low compression. something like a bad valve...
  • Re: Is there a clever way to test your compression tester?
    Historical mailing list - Max Wellhouse
    Sun, 2 Jun 2013 13:34:51 -0500
    ...Is there a clever way to test your compression tester? > > I have an old (circa 1975) Sears engine compression tester, that seems > to be...
  • Re: Source for rebuilt 2.1lt engines?
    Historical mailing list - Benny boy
    Thu, 29 Jul 2004 16:17:44 -0400
    ...On a syncro you will feel that lost/low compression powerwise. In the one am working on right now (87 GL westy), compression is...
  • valve adj.: lower compression, valvetrain noise remains
    Historical mailing list - Dan Barrett
    Sat, 19 May 2012 14:07:59 -0400
    ...of compression on cylinders 1 and 2, making the engine easier to start, and idling closer to 900 rpm than it had been. But...
  • '80 No Compression #3
    Historical mailing list - CARVER, JEFFREY D
    Mon, 3 Nov 1997 05:16:26 -0800
    ...For no apparent reason, got out the compression tester. #2 = 120,good; #1 = 90, uh-oh; #4 = 110, ok, #3 = 20 WHAT DID THAT...
  • Re: Compression braking & Power Loss
    Historical mailing list - dooley
    Fri, 24 Feb 2006 12:56:48 -0500
    ...As I have always > understood it, in gasoline engines, "compression braking" relied on > the compression stroke to provided resistance to slow down the vehicle...
  • Re: How many miles are too many?
    Historical mailing list - Douglas L. Urner
    Mon, 4 Aug 2003 18:06:39 -0700
    I'd add good oil pressure to that list, and look for even compression readings too. Doug >If I had a mechanic who told...
  • 1982 Air Cooled with compression 110, 110, 115, 115
    Historical mailing list - Burdett, Jean-Pierre
    Mon, 30 Apr 2007 23:47:30 -0400
    Hi Guys, I just did a compression check this weekend and it seems almost too good to to be true - 110 lbs in the...
  • Re: compression test
    Historical mailing list - Ben McCafferty
    Tue, 5 Feb 2002 00:52:15 -0800
    ...compression test > > Hello All, > I have just done a preliminary compression test on my '90 Westy with 140K > miles. > The figures are: #1=118...
  • Re: Another compression question
    Historical mailing list - mark drillock
    Fri, 18 Mar 2005 15:05:49 -0800
    ...Page 15.16 of the Bentley says engine oil temp 30 degree C (86 F) for diesel engine compression test. Page 15.20 says...