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 compression.

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

• Re: The Non-Conversion Diesel Conversion (Compression Ratios)
  Historical mailing list - David Marshall
  Thu, 19 Nov 1998 19:23:18 -0800
  ...From the looks of thing the all non-direct injection 1.9L Diesels are 22.5:1 compression ratio. I think the 19.5...
• Re: Compression braking & Power Loss
  Historical mailing list - Dennis Haynes
  Fri, 24 Feb 2006 14:08:39 -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...
• '81 compression update & questions
  Historical mailing list - Linda Bartnik
  Sun, 7 Jun 1998 22:10:50 -0400
  ...Do those need periodic replacement? As far as compression, here's the deal. Number 1 is still kinda iffy. I've found that if...
• new diesel - - one cylinder, no compression
  Historical mailing list
  Thu, 25 Feb 1999 09:59:44 -0700
  ...I checked the compression on that cylinder and found it to be zero! I poured a few tablespoons of oil down the hole to...
• Re: 84 Westy Compression Test
  Historical mailing list - ERIC ZENO
  Thu, 7 Nov 1996 12:30:59 -0500 (EST)
  > I just did a compression test on my 84 Westy which has 153K on the clock (I > presume that this is the original engine...
• Re: I need help with an overheating engine
  Historical mailing list - Richard Sittinger
  Wed, 23 Oct 1996 19:43:59 -0700 (PDT)
  ...What is your compression? I understand that Mark Stephens provides a tape of your test-run with the compression on it. 4. Would an...
• Advice on buying a Synchro
  Historical mailing list - Justin Gordon
  Mon, 8 Mar 1999 11:24:37 -0800
  ...Also, the compression is 130, 140, 125, 135. Is the low compression on one cylinder a real concern? According to the owner, the compression...
• Re: 1.9L WBX Compression Test Question
  Historical mailing list - Dennis Haynes
  Fri, 16 Dec 2011 06:11:55 -0500
  ...Two opposite cylinders having low compression can also indicate worn camshaft lobes. On the 1.9L engines the front cylinders also tend to get...
• fastest headjob on the list
  Historical mailing list - gary hradek
  Wed, 19 Mar 2003 12:35:46 -0800
  Mark, Did you ever do a compression check on any of your headjobs? If you set your valves to zero lash you can check...
• thanks for compression data
  Historical mailing list - Dan Houg
  Sun, 22 Jan 1995 13:19:13 CST6CDT
  Thanks to all for the discussion on compression. After I posted that message I realized that on the back cover of the green Bently...
• Re: doing more brake jobs
  Historical mailing list - Robert Cardo
  Tue, 6 Sep 2005 22:48:39 -0500
  << In a diesel, there's no such thing anyway,>> Really? Add 20 to one compression on top of 6 coffee can sized pistons and...
• Re: 2.1 wbx Compression Test
  Historical mailing list - David Bohannan
  Thu, 4 May 2017 22:37:40 -0400
  Neil, I just went through this with mine- compression was good on 3- one bad- blowing gases into coolant. I retorqued the heads to...
• Re: Compression Question
  Historical mailing list - mark drillock
  Sat, 17 Aug 2002 12:42:33 -0700
  ...would I be safe in assuming that a 2.1 WBX > Engine with the following compression readings is in need of a rebuild? > > 1...
• Re: Is this the cause of my engine compression problem?
  Historical mailing list - David Kao
  Thu, 14 Jun 2007 15:16:52 -0700
  ...Engine is still powerless and it showed missing compression on #1 and #3. Based on this brief history I now believe that the front...
• Re: Vanagon? Really?
  Historical mailing list - Dennis Haynes
  Sun, 20 Nov 2011 18:15:25 -0500
  ...direct injection and dual mode, (spark ignition to compression >ignition) the >Diesel advantages will disappear. Compression ignition _is_ Diesel. It's not a matter...
• Re: Low compression results accurate?
  Historical mailing list - Scott Daniel - Turbovans
  Tue, 17 Mar 2009 18:50:49 -0700
  a cold compression test like that, on an engine that's been sitting , will always read lowish. Not a valid test really. it's...
• How do you check compression?
  Historical mailing list - David Kao
  Wed, 12 Sep 2007 19:31:18 -0700
  I was told by a mechanic that when checking compression for a 4 cylinder engine I should get 4 strokes, no more than that...
• Compression tester question
  Historical mailing list - neil N
  Fri, 16 Nov 2007 08:26:12 -0800
  ...I bought a compression tester and tried it on my parts van 1.9 WBX engine. On two of the cylinders, the gauge would...
• Don't cry for me Wasserboxer
  Historical mailing list - Dave Arthur
  Tue, 14 Oct 2008 20:35:22 -0300
  ...and block on my '86 2.1 WBX. Tears of Glycol... Compression is good and no signs of head gasket failure ... Yet. I almost...
• Re: How do you check compression?
  Historical mailing list - Todd Last
  Thu, 13 Sep 2007 20:26:17 +0000
  ...How do you check compression? > >>>> > >>>> I was told by a mechanic that when checking compression for a 4 > >>>> cylinder > >>>> engine I should get 4...
• Leak-down Test - How to??
  Historical mailing list - JRodgers
  Sun, 23 Mar 2014 13:24:19 -0500
  I have a differential compression tester and know how to do a leakdown test on an airplane engine - but not on a an automotive...
• Re: "Increase... Warning not for NOT for Watercooled Bu...
  Historical mailing list
  Thu, 21 Oct 1999 09:15:56 EDT
  ...They were talking about the air-cooled T1 engines that run hotter with higher compression ratios than 7:1. The water-cooled Wasserboxer stock...
• Re: engine compression ratio '84
  Historical mailing list - Jay L Snyder
  Tue, 25 Feb 2003 07:50:57 -0500
  ...engine compression ratio '84 In my manual it says my '84 has a compression ration of 7.3:1. This sounds really low. What...
• Re: hesitation, bogging, rough idle
  Historical mailing list - Doktor Tim
  Tue, 5 Nov 2002 09:17:35 -0800
  ...If compression balance is off, do try resetting the valves per Boston Bob's/Bentley's recent update. Then try compression again. I have...
• 89 2.1 compression questions
  Historical mailing list - Chip Turpin
  Mon, 15 Mar 2004 23:05:29 -0500
  The 2.1 in my 89 syncro is showing low compression , 110, 132, 150, and 160 this is after engine is warm. When checked...
• Re: How-to do very simple compression leak check
  Historical mailing list - Per Lindgren
  Tue, 26 Oct 1999 01:56:02 +0200
  ...PerL 87 Syncro 112i KENWILFY@AOL.COM wrote: > After getting a van here with zero compression on one cylinder I wanted to > test whether...
• Re: Roadhaus - 2.2L Engine Install , Prelimanary Report
  Historical mailing list - Kim Brennan
  Wed, 16 Oct 2002 00:27:09 -0400
  On Tuesday, October 15, 2002, at 10:33 PM, Robert Donalds wrote: > Rasing the compression by one point gives the engine 4% more power...
• Re: More horse power from the 2.1??
  Historical mailing list - sstones
  Fri, 26 Jul 1996 13:57:50 -0400 (EDT)
  ...It was my first though. :( > Also, the > pressures created by the piston compression are far higher than any turbo can > create during the intake...
• Re: Oil dipstick pushed out of the tube
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 3 Oct 2008 20:07:52 -0700
  ...the rest you can guesstimate from tests, like compression. here's a good one - Oil Analysis ! That'll tell you what the general health...
• Re: piston deck height 1mm low - OK to use?
  Historical mailing list - Dennis Haynes
  Fri, 27 Apr 2012 09:52:26 -0400
  On these pistons both the deck height and the volume of the dished center affect compression. It could be the piston is designed slightly...
• Re: '84 waterboxer won't idle, Bosch probs
  Historical mailing list - Bill Knight
  Mon, 16 Mar 1998 13:55:40 -0500
  ...But I'd like to ask you if you have done a compression check yet. It could be that the rings haven't seated...
• compression test
  Historical mailing list - gary hradek
  Tue, 22 Jun 2004 08:12:53 -0700
  ...compression test Vanagoners, This weekend, I did a compression check on my '90 Westy with 162K miles. Usual procedure, remove all plugs, ground HT...
• Re: Starts strong Now No Start HMMM
  Historical mailing list - Jonce Fancher
  Mon, 21 Apr 2014 18:33:29 -0400
  ...After back together it did it again! Someone on the list said try checking compression and find the cylinder with no compression then adjust...
• Re: compression & advance
  Historical mailing list - Gary Shea
  Thu, 4 Jun 1998 14:09:28 -0600
  ...What's > > making it overheat, if not the advance and/or low compression? > > > > > > Sean Bartnik > > Johnson City, Tennessee > > '81 Vanagon L Westfalia At least...
• A Success!!
  Historical mailing list - Sean Bartnik
  Wed, 29 Jul 1998 14:07:12 PDT
  ...I was going to do a compression test. I got the tester threaded into #1 and did the test, and was dismayed to find...
• Re: 2268cc engine wasserboxer engine 80 stroke and 95mm bore, smog legal and 9.3 to 1 compression and 120HP
  Historical mailing list - Stephen Overmyer
  Mon, 19 May 2003 13:05:03 +1000
  ...2268cc engine wasserboxer engine 80 stroke and 95mm bore, > smog legal and 9.3 to 1 compression and 120HP > >GoWesty is advertising these, I...
• Re: Compression braking & Power Loss
  Historical mailing list - Mike Frost
  Tue, 21 Feb 2006 14:17:46 -0800
  Have you checked the throttle position switch?
• Re: fuel pressure tester & compression tester
  Historical mailing list - Doktor Tim
  Tue, 14 Dec 1999 07:07:10 -0800
  At 06:24 AM 12/14/1999 PST, you wrote: >I wish to check the fuel pressure and compression on my 84 wasserboxer per...
• Re: Compression braking & Power Loss
  Historical mailing list
  Fri, 24 Feb 2006 14:30:59 -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: 89 Vanagon oil usage question
  Historical mailing list - tom ring
  Mon, 23 Feb 2004 21:20:14 -0600
  ...And compression has to do with compression rings, not oil control rings. You can have great compression, shot oil control rings, and kill mosquitoes...
• Re: Buying a Westy Help
  Historical mailing list - Ben huot
  Tue, 30 Mar 2004 08:39:55 -0500
  ...first, take a compression test! If good, good for you! Compression should be in the 140 / 160psi, no more than 10/15 psi difference...
• Compression test results
  Historical mailing list - M.R. Nimmo
  Sat, 22 May 1999 07:01:17 -0700
  Tested the sunbus's compression today and got the following: (front) #1 120 -- #3 120 #2 160 -- #4 145 I did not do a...
• Diesel Compression Guage on eBay
  Historical mailing list - The Southards
  Sun, 26 Nov 2000 18:46:10 -0500
  Saw these Diesel Compression Guages on eBay today. Thought somebody might be interested. http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=510275426...
• Compression readings...
  Historical mailing list - Radish150
  Tue, 20 Feb 2001 18:08:05 -0800
  Well gang, I finally got around to checking the compression on that 1.9 in the 85. It has been sitting for weeks and...
• Wanted: comments on my compression test results
  Historical mailing list - Lee Kouns
  Mon, 4 Oct 2004 15:18:34 -0700
  I did a dry compression check on my 87 (about 80k miles) the other day and got the following results: LF 120, LR 135...
• Removal of Vanagon Engine
  Historical mailing list - Paul Borghese
  Fri, 5 Jun 1998 12:24:55 -0400
  ...I bought a compression tester and checked the cylinders. It turns out cylinder 4 has a compression of 75 while the others are >130...
• Re: 1.9 rebuild questions (almost done)
  Historical mailing list - Karl Wolz
  Wed, 8 May 2002 22:45:50 -0700
  Philip, Compression will build as the rings seat themselves. Remember to follow proper break-in procedure. You don't need to drain it entirely...
• Octane ratings
  Historical mailing list
  Mon, 24 Jun 1996 09:47:45 -0700 (PDT)
  ...I understand octane and timing to be closely related to compression. More compression, less timing. So the 1968 T2 was 7.7:1 and...
• Re: Oil temps
  Historical mailing list - David Schwarze
  Sun, 14 Apr 1996 22:51:15 -0500 (CDT)
  ...Check your compression, especially if you don't know the history of your engine. You're not only looking for low compression, but HIGH...
• Re: hard start when warm
  Historical mailing list - Ben huot
  Sun, 26 Oct 2003 00:22:49 -0400
  ...I hope compression is OK, first thing to check. Bad start when hot is a sign of low compression, mostly on carburated engine, not...
• Bad Valve
  Historical mailing list - John Schaper
  Mon, 2 May 2005 07:50:29 -0700
  ...After further tests, I did a compression test and found #1 at 30, the others at 130-140. Had the valves replaced about 5...
• Re: Gasket sealer for cooling system part
  Historical mailing list - Robert Cardo
  Wed, 17 Aug 2005 22:57:40 -0500
  ...What, if anything, should I use on this gasket? I highly recommend a high tack sealer at this compression joint. I personally use Caterpillar...
• Re: Low compression, more test results
  Historical mailing list - Tom Stone
  Sun, 9 Sep 2012 03:30:51 -0400
  IkJhY2sgaW4gdGhlIG9sZCBiZWV0bGUgZGF5cyAic3dpdmVsIGZlZXQiIGFkanVzdGluZyBzY3Jl d3Mgd2VyZSBhbHNvIHVzZWQgdG8gcmVkdWNlIHZhbHZlIHJvdGF0aW9uLgoKRGVubmlzIgoKSSB0 aG91Z2h0IHZhbHZlIHJvdGF0aW9uIHdhcyBlc3NlbnRpYWwgdG8ga2VlcGluZyB2YWx2ZXMgZnJv bSBidXJuaW5nLiAgSSBoYWQgYSBiYWQgZXhwZXJpZW5jZSB3aXRoIGJ1cm5lZCB2YWx2ZXMgaW4g YW4gYWlyLWNvb2xlZCAnNzYgYnVzIGJhY2sgaW4gdGhlIGRheSBhbmQgdGhlIHJvb3QgY2F1c2Ug SSB3YXMgZ2l2ZW4gd2FzIHRoYXQgdGhlIHZhbHZlIHdhc24ndCBzcGlubmluZyBvbiBpdHMgc2Vh dC4gIE5vdCB0cnVlPwoKVG9t
• Re: Still running like crap, the saga continues - Compression Test
  Historical mailing list - Scott Daniel - Shazam
  Wed, 19 Mar 2008 15:27:28 -0700
  And that's s not to say that the ragged and lowish compression is THE REASON it won't run right. True, those compression...
• The much maligned 1.9 head on 2.1 engine
  Historical mailing list - Roger&Zoe Ann Banker
  Fri, 22 Oct 1999 20:08:45 EDT
  ...So the engine is already designed to take this compression. Many family cars have higher compression, we aren't talking anything radical here. 2...
• compression & advance
  Historical mailing list - Linda Bartnik
  Thu, 4 Jun 1998 10:39:43 -0400
  ...The first thing I learned is that I have a compression problem. While replacing the spark plugs I did a compression check (on a...
• Re: compression problem
  Historical mailing list - Doktor Tim
  Tue, 4 Jan 2000 12:17:41 -0800
  ...Set the motor with open loop at a rich setting for temporary improved running and budget a teardown to fix the compression leak/s...
• Manifold vacuum specs?
  Historical mailing list - Geza Polony
  Sat, 30 Dec 2006 12:20:02 -0500
  ...erratic idle, compression noise under load, low (er) power on hills, harder starting when hot. I'm toying with the idea that there's...
• Re: Help Vanagon stuck in Chico, CA
  Historical mailing list - Robert Keezer
  Sun, 17 Mar 2002 17:50:17 -0800
  Blake- your valves may be over-adjusted and not closing all the way as a result, losing compression. LAter style heads have only one...
• Re: 2.1 heads
  Historical mailing list - Rob
  Wed, 16 Sep 2009 10:49:02 -0700
  ...Any >ideas as to practical machining processes to REDUCE the compression >ratio? > >Ian Is it running premium gas? Octane is the anti-knock number...