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Page 1+: 60 results shown for Compression pressure.

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• Re: How do you check compression?
  Historical mailing list - Mike S
  Thu, 13 Sep 2007 16:59:41 -0400
  ...Ultimate compression is something greater than the intake pressure X the compression ratio (greater because of adiabatic affects - compression makes the air hotter, which...
• Re: More horse power from the 2.1??
  Historical mailing list
  Fri, 26 Jul 1996 16:40:05 -0400
  I (Syncrohead) said: >> Also, the pressures created by the piston compression are far higher than any turbo >>can create during the intake stroke. Sstones...
• Re: lifters for new engine? - and increased stroke
  Historical mailing list - John Connolly
  Sun, 23 Mar 2003 19:36:02 -0700
  ...our squishy pistons decrease cylinder pressure, even though the engine's compression ratio is increased a LOT. Compression is the before ignition pressure event...
• Re: How do you check compression?
  Historical mailing list - Mike \"Rocket J Squirrel\" Elliott
  Thu, 13 Sep 2007 14:28:11 -0700
  ...If the throttle is closed, the > intake pressure will be less than atmospheric (a partial vacuum), and > therefore the indicated compression pressure will be...
• fuel pressure tester & compression tester
  Historical mailing list - Lance LeBaron
  Tue, 14 Dec 1999 06:24:44 PST
  I wish to check the fuel pressure and compression on my 84 wasserboxer per Bently directions. I also have an 82 Rabbit diesel on...
• Re: How long to do a valve job and replace the seats?
  Historical mailing list - Angus Gordon
  Wed, 27 Sep 2000 18:20:35 -0400
  ...center on >the compression stroke. This ensures that both valves are closed. The >propeller >is held so the incoming air pressure doesn't kick...
• Re: compression testing... on the bench
  Historical mailing list - John Rodgers
  Mon, 13 Feb 2006 23:21:07 -0600
  Al, One could crank it by hand to compression stroke - TDC - and do a differential compression test (leakdown test) . Should be easy done if...
• Re: More horse power from the 2.1??
  Historical mailing list - Cetin Seren
  Fri, 26 Jul 1996 05:14:36 -0400
  ...With more gas (& pressure) in the cylinder at the >beginning of the compression stroke, there will be higher ultimate pressure >at the end of...
• Re: 1.9 rebuild questions (almost done)
  Historical mailing list - Robert Donalds
  Thu, 9 May 2002 12:19:30 -0400
  ...I check compression and oil pressure using a section of bell housing and a starter motor. The engine is spun with no spark plugs...
• Re: actual numerical readings off Compression test?
  Historical mailing list - Mike S
  Sun, 19 Sep 2010 09:37:17 -0400
  ...First, the compression is mostly adiabatic, the pressure rise increases temperature, which in turn makes the pressure rise further (this is how a diesel...
• Re: compression ratios
  Historical mailing list - Per Lindgren
  Fri, 7 May 1999 01:28:41 +0200
  ...Yes, the 2,1 can take additional pressure, my 2,1 (the European 112 hp version) has a compression ratio of 10,0:1...
• Re: Compression pressure figures?
  Historical mailing list - Carrington, Tom
  Wed, 15 Mar 2000 09:15:40 -0500
  ...Compression pressure figures? > > I think I know the answer here but I'll ask the > 'collective'.. this 85 bus, water cooled) has > compression pressure...
• Compression pressure figures?
  Historical mailing list - steve delasalle
  Wed, 15 Mar 2000 05:30:32 -0800
  ...this 85 bus, water cooled) has compression pressure of 105, 90, 100, 75 PSI. mechanic doing the test says it was rushed - didn't...
• diesel compression
  Historical mailing list - Bradley Flubacher
  Wed, 18 Oct 2000 15:33:46 -0400
  Does anyone know a good place to buy an affordable compression testing kit that is capable of measuring diesel-range pressures? (406-493 psi...
• Gas Pressure Gauge
  Historical mailing list - Vahid Lajevardi
  Wed, 1 Nov 95 12:31:03 PST
  Hello VWers, I would like to get a pressure gauge to measure the gas pressure after the fuel pump and before the pressure regulator...
• Re: Compression pressure figures?
  Historical mailing list - tim vb-o'brien
  Wed, 15 Mar 2000 07:00:14 -0800
  ...this 85 bus, water cooled) has > compression pressure of 105, 90, 100, 75 PSI. mechanic > > doing the test says it was rushed - didn't...
• Compression Ratios
  Historical mailing list - Dave Kautz
  Tue, 28 Feb 95 9:42:59 PST
  ...in AZ, right) the compression ratio you mentioned may be appropriate since you are starting with less atmospheric pressure. You will probably need to...
• Re: Oil temps
  Historical mailing list - David Schwarze
  Sun, 14 Apr 1996 22:51:15 -0500 (CDT)
  ...If your oil pressure is above 25psi, you probably don't have to worry. From what I understand, there is a pressure relief valve...
• Re: 84 temp. gauge and idle stabilizer electrical problem
  Historical mailing list - Tasha
  Fri, 11 Sep 1998 22:58:19 -0400
  ...Otherwise, compression pressure seemed to be blowing out of cylinder rather than other way around. Coolant did get quite a bit of black, sooty...
• Re: diesel compression
  Historical mailing list - Michael Snow
  Wed, 18 Oct 2000 17:19:52 -0700
  ...diesel compression Does anyone know a good place to buy an affordable compression testing kit that is capable of measuring diesel-range pressures? (406...
• Compression tester question
  Historical mailing list - Don Spence
  Fri, 16 Nov 2007 10:09:41 -0700
  The gauge will hold peak pressure if it is the type designed to do so. If such, it will have a release button to...
• Re: compression/vacuum/fuel pressure/O2 voltage
  Historical mailing list - Laurence Smith
  Mon, 15 Oct 2001 22:07:29 -0400
  ...compression/vacuum/fuel pressure/O2 voltage My son's new '87 syncro is still running pretty rough. I monitored fuel pressure 30 w/vacuum...
• Re: How long to do a valve job and replace the seats?
  Historical mailing list - John Rodgers
  Wed, 27 Sep 2000 14:55:35 -0500
  ...During the compression tests, aircraft mechanics listen to the engine under pressure. If a cylinder is going or gone, there will be a characteristic...
• compression/vacuum/fuel pressure/O2 voltage
  Historical mailing list - Gary McEachern
  Mon, 15 Oct 2001 21:46:08 -0400
  ...I monitored fuel pressure 30 w/vacuum, 39 without vacuum. GOOD I measured compression: 160,140,160,155 SO SO? Plugs look pretty sooty...
• Leak-down Test - How to??
  Historical mailing list - JRodgers
  Sun, 23 Mar 2014 13:24:19 -0500
  ...tightly, then attach the differential compression tester, hook up the compressed air to to it, admit 120 psi pressure from the compressor - and watch...
• Re: lost brake line...
  Historical mailing list - Karl Mullendore
  Mon, 24 Dec 2007 22:58:53 -0500
  I wouldn't recommend a compression fitting. The line pressure will exceed it's limits in a panic brake situation, most likely. robert feller...
• 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: 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 Ratios
  Historical mailing list
  Tue, 28 Feb 1995 13:40:28 +0500
  ...in AZ, right) the compression ratio you > mentioned may be appropriate since you are starting with less atmospheric > pressure. You will probably need to...
• Re: Compression tester question
  Historical mailing list - David Kao
  Fri, 16 Nov 2007 09:12:38 -0800
  Neil, my compression tester has a valve that will hold the pressure in the gauge. I have to press a pin to open the...
• Re: How long to do a valve job and replace the seats?
  Historical mailing list - 1980 VW Westfalia \"Pokey\"
  Wed, 27 Sep 2000 16:44:36 -0400
  ...center on > the compression stroke. This ensures that both valves are closed. The propeller > is held so the incoming air pressure doesn't kick...
• Re: Bad Valve
  Historical mailing list - phil cain
  Mon, 2 May 2005 16:02:10 -0700
  ...Squirt some oil into the bad cylinder and do the compression test again, if the pressure stays the same, the valves or head is...
• doing a compression check
  Historical mailing list - gary hradek
  Fri, 17 Jan 2003 08:03:21 -0800
  ...compression check. I thought I might pull the lead to the fuel pump and run the van to remove the gas under pressure in...
• Re: Compression? (PSI)
  Historical mailing list - Ben
  Mon, 6 Jun 2005 14:22:56 -0400
  ...wrote: >Ben, >Change the fuel pressure regulator! >Gas is washing down the cylinder walls, probably cutting down the compression. I had black soot coming...
• Re: Compression tester question
  Historical mailing list - neil N
  Fri, 16 Nov 2007 09:15:31 -0800
  ...It not > it will register the pressure it sees. You have to watch it and read > peak pressures. In the case as described (dropping...
• Re: Seldom used 2.1 has low compression
  Historical mailing list - Scott Daniel - Turbovans
  Sun, 26 Oct 2008 12:00:48 -0700
  Sure, do a wet compression test on the low cylinder. Can't hurt after all, and it's just one tiny step additionally. I...
• Re: Compression tester question
  Historical mailing list - neil N
  Fri, 16 Nov 2007 09:13:41 -0800
  ...On 11/16/07, David Kao <dtkao0205@yahoo.com> wrote: > Neil, my compression tester has a valve that will hold the > pressure in the...
• Re: Oil dipstick pushed out of the tube
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 3 Oct 2008 12:08:45 -0700
  ...Might want to check your compression. It's not > shooting the stick out, so there'sobviously not a BIG crankcase > pressure problem. > > -- > John Bange...
• Re: Instant horsepower (Pinwheel)
  Historical mailing list - Per Lindgren
  Sun, 7 May 2000 23:17:36 +0200
  Doktor Tim wrote: > How well will the > Wasserboxer heads seal with the higher than stock pressures and greater > cooling systems demand it was not...
• a tip to keep you rolling
  Historical mailing list - Mark Gajewski
  Tue, 15 Feb 2000 09:46:45 -0500
  Last night, after driving around with cylinder compression leaking into my cooling system creating excessive pressure, I had a major head gasket failure that...
• a tip to keep you rolling
  Historical mailing list - Mark Gajewski
  Wed, 16 Feb 2000 10:18:04 -0500
  > Last night, after driving around with cylinder compression leaking into my > cooling system creating excessive pressure, I had a major head gasket > failure that...
• COMPRESSION {#~<�>~#} Why so low?
  Historical mailing list - Various
  Fri, 19 Sep 2003 13:11:52 -0300
  ...Checked the fuel pressure, right on specs. So I check the Compression, ugh!, low, low, low 1 = 60 2 = 90 3 = 60 4 = 0...
• Re: fuel pressure tester & compression tester
  Historical mailing list - karl
  Tue, 14 Dec 1999 10:15:02 -0500
  Yes, it is possible! I use one form Snap-On tools, that handles diesel pressures as well as gas engines, it uses an adaptor...
• Re: 85' low idle, loss of power/compression, surging-UPDATE
  Historical mailing list - joe brown
  Tue, 26 Nov 2002 13:54:13 -0800
  People have written about the fuel pressure regulator diaphraghm failing and letting fuel be sucked into the intake manifold.... Also have you checked your...
• Some questions...on a diesel engine in a vanagon
  Historical mailing list - Steve Delasalle
  Thu, 24 Aug 2000 18:44:47 -0500
  ...known good oil pressure & compression pressure - ideally, not too far from SE Michigan Thanks... steve
• How-to do very simple compression leak check
  Historical mailing list
  Mon, 25 Oct 1999 09:49:51 EDT
  ...whether the compression was leaking past the valves or the rings (the cylinder head gasket seemed fine as no abnormal pressure was being generated...
• Re: Overflow puking water
  Historical mailing list - Mike Collum
  Tue, 18 Nov 2003 07:58:08 -0500
  ...But what is the pressure provided by compression? I believe you have a leak at one of the heads. Possibly a deep crack between...
• Re: Running on Tap Water - attempt at de-confuscation
  Historical mailing list - Clive Smith
  Thu, 18 Jul 2002 17:24:26 +0100
  ...Their intakes design and then efficient compressors can (easily) make up the pressure, especially when starting with very low temperatures. Clive Smith
• Re: Compression
  Historical mailing list
  Sun, 22 Jan 95 9:16:25 EST
  Earlier Joel had posted the compression ratios for Vanagon air-cooled and water-cooled engines. I remarked that the air-cooled ones seemed somewhat...
• Re: Engine Advice Needed
  Historical mailing list - Stuart MacMillan
  Sat, 24 May 2014 10:09:00 -0700
  ...to do the compression test. Engine should spin free and fast. If the rings are good and given the oil pressure you have, you...
• Re: Compression pressure figures?
  Historical mailing list - Rico Sapolich
  Wed, 15 Mar 2000 12:12:39 EST
  ...it was rushed - didn't disconnect fuel pump and put low pressure down to oil being washed off of bores >> Steve: You KNOW the...
• Re: Compression tester question
  Historical mailing list - Jake de Villiers
  Fri, 16 Nov 2007 09:36:34 -0800
  ...It not > > it will register the pressure it sees. You have to watch it and read > > peak pressures. In the case as described (dropping...
• Re: Zero valve settings
  Historical mailing list - thewestyman
  Mon, 6 Apr 2015 19:14:11 -0700
  I am thinking on the line of oil pressure being too high, not letting the lifters behave as they should. As one turns the...
• Re: 2.1 wbx Compression Test
  Historical mailing list - Neil N
  Fri, 5 May 2017 09:10:44 -0700
  ...to its' maximum pressure. Looking at my notes, when purchased, this is what the mechanics test showed for engine compression: 130 120 140 140...
• Re: Help needed: ABA conversion has spark and fuel but won't start.
  Historical mailing list - BenT Syncro
  Fri, 29 Aug 2008 02:11:06 -0700
  ...A differential compression tester will not only tell you if it has > good compression, but the leakdown will also show where the pressure is...
• 1.9 engine health?
  Historical mailing list - Jonathan Farrugia
  Thu, 15 Jul 2004 05:22:51 -0400
  so i have a friend that i did a compression test for. he has a very nice 1984 westy. here are my compression test...
• Re: Help Please; engine bogging loseing compression and shutting off
  Historical mailing list - Malcolm Stebbins
  Wed, 5 Sep 2001 16:24:35 -0300
  ...FWIW I'm guessing that compression has nothing to do with your problem, you are loosing spark or fuel. Compression goes slowly over time...
• =?windows-1252?Q?COMPRESSION_=7B=23=7E=3C=A9=3E=7E=23=7D_Why_s?= =?windows-1252?Q?o_low=3F?=
  Historical mailing list - Various
  Fri, 19 Sep 2003 17:29:25 -0300
  ...Checked the fuel pressure, right on specs. So I check the Compression, ugh!, low, low, low 1 = 60 2 = 90 3 = 60 4 = 0...
• Puzzling valves...
  Historical mailing list - zolo
  Wed, 7 Jan 2004 17:26:11 -0800
  ...was compression but not very good. I was wondering if the valve lifters got pumped up and could not release to spring pressure at...
• Re: Roadhaus - 2.2L Engine Install , Prelimanary Report
  Historical mailing list - alan barber
  Wed, 16 Oct 2002 11:34:49 -0400
  ...Cams, for example, can change the static pressure at any given point in the RPM range, which will change the effective compression ratio. This...