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Page 2+: 60 results shown for Compression pressure.

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• Re: Leak Down Testing
  Historical mailing list - John Rodgers
  Mon, 1 Jan 2007 10:15:52 -0600
  Here is a web site that gives a complete, technical, professional description of doing a differential compression check on an aircraft engine. If you...
• Re: Found motor for Swap, need advice
  Historical mailing list - Erik O
  Tue, 5 May 1998 12:20:15 -0400
  ...40 Bore & Stroke 8.5:1 Compression 28@2000 rpm Oil pressure Manual drivtrain Electronic ignition Compression should be between 123-174 psi The...
• Re: Zero valve settings
  Historical mailing list - Dennis Haynes
  Mon, 6 Apr 2015 23:09:57 -0400
  The oil pressure relief valve is a very robust design. It never goes bad on its own. Folks have been known to modify it...
• pressure gauge range for vanagon
  Historical mailing list - tinker man
  Thu, 20 Sep 2007 16:08:17 +0200
  ...range for other pressures measurable in the van. I can't think of anything higher than 100psi except the cylinder compression, but this simple...
• Re: 84 Westy strange compression readings
  Historical mailing list - Ben huot
  Mon, 11 Mar 2002 12:16:52 -0500
  ...I don't see any easy solution as to lower the compression, how are the Spark plug, Oily? Wet? Carbon on it? That can...
• Hard hot restarting
  Historical mailing list - Jfp w/3 WBXs
  Thu, 26 Sep 2002 19:53:18 +0000
  ...The fuel pressure regulator lacking vacuum, closes completely. This action traps fuel under pressure behind the fuel injectors. This function is called "residual pressure...
• Re: How long to do a valve job and replace the seats?
  Historical mailing list - John Rodgers
  Wed, 27 Sep 2000 18:18:49 -0500
  ...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 tester question
  Historical mailing list - Mike Collum
  Fri, 16 Nov 2007 11:57:17 -0500
  ...When doing a compression test, only the cylinder with the cracked head wouldn't hold pressure on the gauge. Mike neil N wrote: > Hi...
• Re: Leak Down Test, define ?
  Historical mailing list - Dwight Mattix (Dwight Mattix)
  Fri, 13 Dec 1996 09:46:39 -0800 (PST)
  ...it's a lot more discriminating test than a simple compression test. takes a 2 gauge setup (input pressure and cylinder pressure). regulated input...
• Re: 2.1 wbx Compression Test
  Historical mailing list - Stuart MacMillan
  Fri, 5 May 2017 11:16:01 -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: Compression tester question
  Historical mailing list - Karin Baker & Raymond Paquette
  Fri, 16 Nov 2007 12:13:12 -0500
  ...When doing a compression test, only the cylinder with the > > cracked head wouldn't hold pressure on the gauge. > > > > Mike > > > > > > > > neil N wrote: > > > Hi...
• 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: 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 - John Rodgers
  Fri, 24 Feb 2006 05:27:17 -0600
  John Bange wrote: >>For some reason, >>COMPRESSION BRAKING seems to throw something out of whack. >> >>Is this a clue? Or a red herring? If...
• Re: What's considered good compression?
  Historical mailing list - G. Matthew Bulley
  Wed, 15 May 2002 16:53:58 -0400
  Compression alone isn't a good measure of whether to buy. Those numbers are good; not great, but good. Also do a oil pressure...
• Compression? (PSI)
  Historical mailing list - Benny boy
  Mon, 6 Jun 2005 10:04:13 -0400
  What is you're average engine compression? We all know that we wish we had around 150-180PSI...but! Most van i do are...
• Re: low compression problem
  Historical mailing list - EMZ
  Thu, 4 Mar 1999 12:04:19 -0500
  ...You mentioned the oil pressure relief valve in your > response to this post. What is the connection between low compression > and a stuck oil...
• actual numerical readings off Compression test?
  Historical mailing list - Don Hanson
  Sat, 18 Sep 2010 16:50:01 -0700
  ...compression ratio of a motor? I've been thinking to take a reading with my compression tester, then divide that by the barometric pressure...
• 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
  ...The lower back pressure should match up well to the higher compression. I don't know if their pipes are thin, but I will...
• Re: selecting a compression tester
  Historical mailing list - John Rodgers
  Fri, 23 Dec 2011 01:48:45 -0600
  ...pressure at TDC. It can break an arm, or worse. Imagine a 6-8-10-12 foot propeller suddenly kicking over during a compression...
• Re: Failed Crankshaft seal yet again
  Historical mailing list - George Goff
  Tue, 3 Jan 2006 10:34:57 -0500
  ...You could be building up crankcase pressure and blowing out the seal. Check your compression and then the crankcase venting system. It could be...
• Re: selecting a compression tester
  Historical mailing list - John Lauterbach
  Fri, 23 Dec 2011 08:33:41 -0500
  ...pressure at TDC. It can break an arm, or > worse. Imagine a 6-8-10-12 foot propeller suddenly kicking over during a > compression...
• Re: 2.1 wbx Compression Test
  Historical mailing list - David Bohannan
  Fri, 5 May 2017 12:32:50 -0400
  ...to its' maximum pressure. > > Looking at my notes, when purchased, this is what the mechanics test > showed for engine compression: > > 130 120 > 140 140...
• How to compression test/gasket leak test
  Historical mailing list - Peter Krogh
  Mon, 1 Oct 2001 18:23:23 EDT
  ...a compression test? hook up guage and hand-turn engine? Is a leakdown test just timing how long it takes for the pressure to...
• WTB Good 2.1l Vanagon Engine
  Historical mailing list
  Mon, 28 Aug 2000 12:08:08 EDT
  ...Either you have tested the engine and the tests are all good, compression, oil pressure etc or you have driven the van with the...
• Re: In heat now, '87 Westy on horizon
  Historical mailing list - Dave Kautz
  Fri, 20 Jan 95 15:27:11 PST
  ...about this for a "rule-of-thumb"? Take atmospheric pressure and multiply by compression ratio; For a wasserboxer that would be 14.7 times...
• Re: Compression tester question
  Historical mailing list - neil N
  Fri, 16 Nov 2007 09:06:21 -0800
  ...When doing a compression test, only the cylinder with the > cracked head wouldn't hold pressure on the gauge. > > Mike > > > > neil N wrote: > > Hi...
• Compression Question
  Historical mailing list - John Brown
  Mon, 2 Mar 1998 10:13:55 -0800
  I just checked my compression and I wanted to get some list wisdom about the results. The values are as follows: Cyl 1 124...
• Re: Boston Bob Big Valve Update? Not really... (LONG)
  Historical mailing list - Marc Perdue
  Wed, 16 Feb 2005 22:12:41 -0500
  ...It does sound like a compression check and fuel pressure check might be in order . . . along with timing and the other basics per Bob...
• Re: Oil seals
  Historical mailing list - Ian Cameron
  Tue, 8 Feb 2000 15:55:50 -0800
  ...Do a compression test. If that's ok, see if you can find a sensitive pressure gauge an test the pressure at the dipstick...
• Re: 85 Vanagon Blowing Smoke
  Historical mailing list - Ben huot
  Fri, 13 Sep 2002 01:16:18 -0400
  ...cylinder when compression was done. For sure you have an internal coolant leak, do this test: http://www3.sympatico.ca/huotx/pressure_test.htm...
• Engine Tests Interpretation ?
  Historical mailing list - Christopher M. Smith
  Wed, 11 Dec 1996 14:21:23 -0800 (PST)
  ...Good compression and very little pressure leakage. No. 4 is a mystery. Good to excessive compression and very little pressure leakage, yet it contributes...
• Re: Is this the cause of my engine compression problem?
  Historical mailing list - Benny boy
  Tue, 19 Jun 2007 10:22:06 -0400
  ...I found the real problem eventually by doing >a pressure test to the engine. > >I borrowed a compressor and coverted my compression tester into...
• Re: Compression tester question
  Historical mailing list - David Kao
  Fri, 16 Nov 2007 09:54:35 -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: 1.9 Compression?
  Historical mailing list - John Rodgers
  Fri, 1 Jan 2010 12:44:21 -0600
  ...The cylinder pressure would nearly always be lower slightly or a lot, depending on wear - than the regulated pressure.This gave a really good...
• Re: Compression braking & Power Loss
  Historical mailing list - John Bange
  Fri, 24 Feb 2006 08:27:57 -0800
  ...As I have always > understood it, in gasoline engines, "compression braking" relied on > the compression stroke to provided resistance to slow down the vehicle...
• compression ratios
  Historical mailing list - Joseph Tu
  Thu, 6 May 1999 16:20:07 -0700
  ...Also is it advisable, can the 2.1 take the additional pressure. Joe
• Update
  Historical mailing list - Per Lindgren
  Mon, 29 Nov 1999 16:48:13 +0100
  ...Now I have included ignition timing specs, valve specs, compression pressure specs, and spark plug specs. The URL is http://members.tripod.com/perlindgren...
• Re: Engine Advice Needed
  Historical mailing list - Dennis Haynes
  Mon, 26 May 2014 08:44:42 -0400
  ...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: 89 2.1 compression questions
  Historical mailing list - Eric Zeno
  Mon, 15 Mar 2004 23:31:38 -0500
  ...with high compression, to make sure it is opening. Eric 86-VW4x4 vw4x4@fyi.net 86-SS Syncro Pittsburgh, PA USA 1936-Chrysler 92...
• Re: Bench testing new rebuild...............no oil pressure!
  Historical mailing list - Joe in NH
  Sun, 4 Apr 2004 19:17:55 EDT
  ...the volume / oil pump output to register as pressure on a guage. If the compression is fine and the case / crank are within tolerances...
• Re: selecting a compression tester
  Historical mailing list - Mike
  Thu, 22 Dec 2011 23:01:04 -0500
  ...You could get a compression tester on loan from Autozone or Advanced Auto Parts, and test for general overall compression readings. This is done...
• Re: Leak Down Test, define ?
  Historical mailing list - Will Wood
  Tue, 10 Dec 1996 21:10:30 -0700
  That's a compression test. The fit a pressure gauge with a hose into a spark plug hole and crank the engine (after the...
• compression problem
  Historical mailing list - Greenamyer, William L
  Tue, 4 Jan 2000 07:51:03 -0800
  ...Compression on number 4 has dropped to about 60 pounds when cold. Run the engine for 15-20 seconds and recheck and the pressure...
• Re: Compression? (PSI)
  Historical mailing list - Dennis Haynes
  Mon, 6 Jun 2005 18:39:35 -0400
  The problem with compression tests is that there are too many variables. Also, the throttle should be held open while cranking for max air...
• Re: How-to do very simple compression leak check
  Historical mailing list - Per Lindgren
  Tue, 26 Oct 1999 01:56:02 +0200
  ...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: Engine Advice Needed
  Historical mailing list - Don Hanson
  Sat, 24 May 2014 11:25:43 -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: Roadhaus - 2.2L Engine Install , Prelimanary Report
  Historical mailing list - Vanagon man
  Wed, 16 Oct 2002 15:02:29 -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...
• Re: 82 compression test
  Historical mailing list - Bulley
  Tue, 25 May 1999 14:34:59 -0400
  Martin, Do you mean that the *motor was running* when you did the compression test?!? If so, your results could be very wrong. You...
• Re: compression ratios for '87 WBX
  Historical mailing list - jimkim
  Wed, 1 Sep 1999 13:30:40 -0700
  ...compression pressure: 145-190psi wear limit: 116psi max permissible difference between all four cyl: 44psi If your numbers are right, this motor is very...
• Re: Low Compression, Longevity of the WBX'er and $20K Vans
  Historical mailing list - Stuart MacMillan
  Tue, 11 Sep 2012 10:06:33 -0700
  Just remove the expansion tank, suck some coolant out of the pressure bottle, and pour it in. Or just toss it out and start...
• Boston Bob Engine - Follow Up
  Historical mailing list - Mike Finkbiner
  Sat, 11 Aug 2001 16:53:01 +0000
  ...At about 3000 miles on the new engine, we just had a chance to re-measure the vacuum, fuel pressure and compression. Fuel Pressure...
• 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: pressure in cooling system
  Historical mailing list - Paul Cavanaugh
  Mon, 6 Aug 2001 11:26:09 -0400
  ...The general feeling is that >>compression from the cylinders is leaking into the cooling system, >>causing excessive pressure. >> >>I pulled the spark plugs to...
• Re: Compression braking & Power Loss
  Historical mailing list - Dennis Haynes
  Fri, 24 Feb 2006 11:38:00 -0500
  ...At speed, the engine compression stroke will quickly be cancelled out by the de-compression after the piston passes top dead center. When turning...
• Bench testing new rebuild...............no oil pressure!
  Historical mailing list - Vanagon Man
  Sun, 4 Apr 2004 18:34:47 -0400
  ...I have my oil pressure gauge screwed into the case near the crank pulley. I cranked it, and first got great compression...190+. Then...
• Re: New heads?
  Historical mailing list - Matthew Pollard
  Tue, 27 Feb 2001 11:57:55 -0800
  ...If you are up in miles and or have less than favorable compression, oil pressure, etc, then this may not be a bad stop...
• 6k Road Trip w/Westy with 142K miles
  Historical mailing list - Richard Golen
  Wed, 28 Mar 2007 16:12:44 -0400
  ...The last compression check (15k miles ago) showed the compression in the middle of the acceptable range. It burns a quart of Mobil 1...
• Re: pressure gauge range for vanagon
  Historical mailing list - Jake de Villiers
  Thu, 20 Sep 2007 09:52:01 -0700
  ...range for other pressures > measurable in the van. > I can't think of anything higher than 100psi except the cylinder > compression, but this simple...
• Re: Advice on TD engine problem
  Historical mailing list - Walking Boss
  Tue, 12 May 2015 07:59:51 -0500
  ...hand? Due to the compression of a diesel, the rod bearings take one hell of a beating without oil pressure to cushion the shock...