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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 Compression pressure.

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

  • Re: Loss of power at altitude
    Historical mailing list - Frank Grunthaner
    Mon, 11 Mar 2002 17:51:58 EST
    ...With the turbo you can control the manifold pressure and there is adequate compression capacity to overcome the atmospheric pressure reduction. The reason that...
  • Re: Help w/2.1 What am i missing?
    Historical mailing list - Larry Alofs
    Mon, 8 Jun 2009 19:06:38 -0500
    ...Was there gas at the tee, or could you have been measuring air pressure? When checking voltage pulses at the injectors, be sure to...
  • Re: 52 degree Inline 4 hydraulic lifters leaking down
    Historical mailing list - Jason Ewing
    Tue, 15 Apr 2008 23:29:43 -0400
    ...reply. > > I understand that if compression is lost because a valve is open, > > > > - it's excess oil pressure that's opening the valve, not...
  • Re: Removing A/C high pressure hose from Westy Camper
    Historical mailing list - David Beierl
    Sat, 5 Aug 2000 11:08:34 -0400
    ...I found the hole locations to insert What's the rated compression strength of a kid? <g> d David Beierl - Providence, RI http://pws...
  • Re: Engine Advice Needed
    Historical mailing list - OlRivrRat
    Sat, 24 May 2014 13:59:26 -0600
    ...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: 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...
  • Re: engine pushing exhaust into coolant system
    Historical mailing list - Mike Collum
    Sat, 1 Dec 2007 08:54:18 -0500
    ...valve seats wouldn't come up to pressure nor would it hold pressure when doing a compression test. After removal I still took the...
  • Re: [vanagon] bubbles in my overflow tank?
    Historical mailing list - Doug in Calif
    Mon, 31 May 2004 09:14:34 -0700
    If the head gasket is leaking it will usually start out by allowing the extremely high pressure of the combustion burp into the coolant...
  • What shape is my 2.1 engine in?
    Historical mailing list - Steve Cotsford
    Tue, 25 Mar 2003 13:41:24 -0500
    Putting aside coolant system checks and compression tests, what tests can I do to my newly aquired '91 Carat engine to determine its basic...
  • Should I really bother with oil pressure test?
    Historical mailing list - Ed Duntz
    Mon, 1 Jun 2009 13:51:17 -0400
    ...I did a compression test last year- forgt the results right now, but it was "low but o.k.' Now after sustained highway driving...
  • What Octane Fuel is best? [was RE: How do anti-ping additives work?]
    Historical mailing list - Leif
    Fri, 21 May 1999 08:18:42 -1000
    ...self-ignites from the heat and pressure, before > the spark is > supplied (dieseling). The higher the compression and greater the > heat, the > greater the...
  • Re: Buying a Westy Help
    Historical mailing list - Ben huot
    Tue, 30 Mar 2004 08:39:55 -0500
    ...if the compression portion (round one at top of cylinder) of the 2 parts head gasket are ok. The coolant pressure test is another...
  • Re: Coolant pressure gauge mounting
    Historical mailing list - Chuck Hill
    Sun, 3 Feb 2002 20:12:53 -0600
    ...If you have engine compression leaking into the cooling system you see abnormally high pressure, and then overheating on the temperature gauge. A pressure...
  • Re: 5/16" High Pressure Fuel Lines OK?
    Historical mailing list - Geza Polony
    Fri, 29 Dec 2006 00:20:23 -0500
    ...tube at the ends, but the tees could be done with compression fittings, or, why not, just solder the whole thing together. I'll...
  • Re: Head gasket again...
    Historical mailing list - Eric Zeno
    Tue, 14 Mar 2000 09:50:57 -0500
    ...I had compression pressure in > the coolant system. I understand that I may have not had the heads "sand > blasted" cleaned the first time...
  • Re: Secret tune-up / service item on 1.9 waterboxer engines.
    Historical mailing list - ralph meyermann
    Fri, 29 Jul 2011 15:48:01 -0600
    I may be crazy but I believe that oil psi depends on compression and severity of operation of the engine. We ran a 16...
  • Zero Compression after Head Re-torque - Valves? Overtorque?!
    Historical mailing list - Dave Bohannan
    Sat, 28 Jan 2017 18:00:25 -0500
    ...I may have OVER torqued or done something stupid because the compression went down to 0- little to no resistance… have I put the...
  • Re: 1.9L Gutless when first started
    Historical mailing list - Michael Elliott
    Sun, 21 Oct 2007 13:24:08 -0700
    Say -- I wonder if this might be due to a failed coil? I ask because the problem surfaced immediately after I did a compression...
  • Re: exhaust gas into coolant system
    Historical mailing list - Scott Daniel - Turbovans
    Tue, 9 Nov 2010 15:50:00 -0800
    sometimes even just checking compression will make the leaking cylinder apparent... bubbles going to the pressure bottle on a bad cyl. not always, but...
  • Re: compression problem
    Historical mailing list - Doktor Tim
    Tue, 4 Jan 2000 12:17:41 -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: Used Van Need help
    Historical mailing list - Eric Zeno
    Tue, 1 Jul 2003 07:07:18 -0400
    ...On >Waterboxers, this should also be done with the pressure cap removed to >detect leakage into the cooling system. I just did a compression...
  • RE: 911 motor in a VW transporter
    Historical mailing list - William R. Kennedy, NJIT CIAT, 201-596-5648
    Fri, 03 Mar 1995 16:53:04 EST
    ...Runs cool, good oil pressure, five cylinders have compression in high 130s, last one 125. 30 days no questions guarantee. Buyer pays shipping unless...
  • Re: [WetWesties] 87 Westy running poorly
    Historical mailing list - Pat Callaghan
    Sat, 24 May 2003 09:31:07 -0700
    ...The throttle switch, AFM, fuel pump pressure, ISV system. I checked my compression about 8 months ago & the specs were, 140, 140, 150, 135...
  • Re: Help w/2.1 What am i missing?
    Historical mailing list - Darren Lastfogel
    Mon, 8 Jun 2009 21:12:01 -0400
    ...the guage I use to measure the gass pressure allows the fuel to pass until you need to check pressure Plugs looked good and...
  • Re: 85-H20 loss of coolant mystery
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 21 Sep 2011 21:52:24 -0700
    ...on compression.. put compressed air into the spark plug hole, usually via a threaded fitting.. you won't be generating that much pressure that...
  • Re: Lifter adjustment VOODOO
    Historical mailing list - Zoltan Kuthy
    Wed, 30 Apr 2008 18:15:28 -0700
    ...the oil pressure came up (5-10 seconds), then it just barely chugged >>along. >> A compression test revealed that the compression had dropped from...
  • Re: Help w/2.1 What am i missing?
    Historical mailing list - Darren Lastfogel
    Mon, 8 Jun 2009 21:12:21 -0400
    ...the guage I use to measure the gass pressure allows the fuel to pass until you need to check pressure Plugs looked good and...
  • help in digest mode, and oil pressure, cooling system, thermostat
    Historical mailing list - David Menche
    Mon, 5 Jul 2004 11:49:06 -0700
    ...be this low in pressure??? I am using Mobil One 15w-50 oil, and a Mann filter. Also my compressions readings are disturbing #1...
  • Re: Help w/2.1 What am i missing?
    Historical mailing list - Paul Guzyk
    Mon, 8 Jun 2009 20:36:10 -0400
    ...Any sign of compression getting to the tailpipe? ----- lately I've been seeing a lot of flakey 2.1 distributors... but when the hall...
  • Re: Compression tester question
    Historical mailing list - Jake de Villiers
    Fri, 16 Nov 2007 11:04:45 -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...
  • Torque spec that requires calibrated fingers
    Historical mailing list - Rocket J Squirrel
    Fri, 27 May 2011 07:13:07 -0700
    tencentlife's adapter kit for connecting a adapter which allows a fellow to mount a oil pressure gauge sender alongside the stock oil pressure...
  • Re: 87 rebuild update
    Historical mailing list - Terry A. Buchanan
    Tue, 14 Jul 1998 14:01:13 -0700
    ...not a good thing to have in your car.) > > -->next step... > Will buy compression tester and oil pressure guage this weekend. > > Any advice? > Thanks!
  • Re: compression testing... on the bench
    Historical mailing list - Max Wellhouse
    Tue, 14 Feb 2006 19:55:39 -0600
    ...lbs of torque on that nut/bolt, that the engine might spin before the bolt did, especially if the pressure were turned down a...
  • Re: [Syncro] Cylinder sleeves, new problem
    Historical mailing list - Mike Collum
    Sun, 22 Sep 2002 06:14:40 -0700
    ...overheating" problems with my '84 I did a compression test and #1 wouldn't hold pressure like the other three. After removing the heads...
  • Re: Need an engine
    Historical mailing list - joe Hunt
    Sat, 4 Nov 2000 10:31:45 EST
    ...a compression check on the engine and all four were within 5% of each other, but #3 would not hold the pressure it would...
  • Re: joining plastic and rubber fuel vent line
    Historical mailing list - Allan Streib
    Thu, 21 Aug 2008 20:54:11 -0400
    ...Actually found that a 5/16 compression fitting looks just about perfect to grab on to the cut plastic line. Since it is only...
  • Re: 85 Westy stumbling?
    Historical mailing list - Jonce Fancher
    Fri, 13 Jul 2007 18:37:52 -0400
    ...lash and had excellent compression. Pulled and swapped the motor with one that needed a rebuild had low oil pressure. Pulled the motor again...
  • Re: 85 Vanagon Oil Light
    Historical mailing list - Joel Walker
    Mon, 06 Feb 95 22:11:30 CST
    ...zero compression, the chances are even greater than the oil pump is to blame. If the oil pressure relief valve sticks, oil pressure could...
  • Re: 1982 Air Cooled with compression 110, 110, 115, 115
    Historical mailing list - Jake de Villiers
    Mon, 30 Apr 2007 21:04:45 -0700
    ...pressure will be low. Jake On 4/30/07, Burdett, Jean-Pierre <jp.burdett@spotwave.com> wrote: > > Hi Guys, > > I just did a compression...
  • 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: Bench testing new rebuild...............no oil pressure!
    Historical mailing list - ROBERT DONALDS
    Sun, 4 Apr 2004 20:04:48 -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: Is this the cause of my engine compression problem?
    Historical mailing list - ****************************
    Sat, 16 Jun 2007 21:13:41 -0500
    ...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: WAS: Comprssion Tester Question. NOW: Tester/engine results Report
    Historical mailing list - Mark Drillock
    Fri, 16 Nov 2007 12:33:23 -0800
    ...Then check compression again. Someone may have messed up the adjustment and if a little too tight compression can read low. Mark neil N...
  • Re: 1.9L WBX Compression Test Question
    Historical mailing list - Dennis Haynes
    Fri, 16 Dec 2011 06:11:55 -0500
    ...Bypassing the gauge set and putting shop air pressure into the cylinder, (restrain the crankshaft from turning) will indicate if you have a piston...
  • Re: stalling when engine is cold
    Historical mailing list - Brian Lazara
    Fri, 2 Sep 1994 15:42:54 -0700
    ...zero > compression, the chances are even greater than the oil pump is to blame. > > If the oil pressure relief valve sticks, oil pressure could...
  • fuel pressure test
    Historical mailing list
    Wed, 1 Nov 1995 17:38:30 -0600
    I've used my compression tester in the past with no ill effects to it. However, it really is not accurate enough. You need...
  • Re: Lifter adjustment VOODOO
    Historical mailing list - Jake Beaulieu
    Wed, 30 Apr 2008 14:55:25 -0700
    ...the oil pressure came up (5-10 seconds), then it just barely chugged along. > A compression test revealed that the compression had dropped from...
  • 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: oil press. sender relocation
    Historical mailing list - Dennis Haynes
    Sun, 8 Jul 2012 01:53:13 -0400
    The copper tube with compression fittings is not the best of choices here. Thermal expansion will soon cause the fittings to leak and you...
  • Re: No Start 83.5: Fuel pump test?
    Historical mailing list - Jake de Villiers
    Mon, 16 Jul 2007 12:59:30 -0700
    ...pump is defective in it's > pressure output. ( As in not enough pressure to squirt fuel under > compression) The pump runs for 3 seconds...
  • Re: Is this the cause of my engine compression problem?
    Historical mailing list - Dennis Haynes
    Sun, 17 Jun 2007 09:34:14 -0400
    ...Is this the cause of my engine compression problem? Bob: I did the pressure test at TDC. The leak is obvious comparing to the...
  • Re: Compression, Valve Adjusting
    Historical mailing list - Bob Donalds
    Wed, 27 Jun 2007 15:51:27 -0700
    ...Compression, Valve Adjusting >> What I see is that >> the new AMC springs have less pressure 64 pds installed height and the > used >> OEM springs...
  • Re: Compression, Valve Adjusting
    Historical mailing list - TC
    Wed, 27 Jun 2007 13:02:21 -0700
    ...Compression, Valve Adjusting > > > >> What I see is that > >> the new AMC springs have less pressure 64 pds installed height and the > > used > >> OEM springs...
  • Re: Storing Van outside over winter???
    Historical mailing list - Don Spence
    Tue, 15 Nov 2005 10:06:21 -0700
    ...It's better, IMHO, to crank a dry engine without compression pressures on the dry bearings until you get some oil circulating. On Tuesday...
  • Re: Leak down test----what do I need, I already have the spark plug-s chraeder valve
    Historical mailing list - Dennis Haynes
    Fri, 8 Mar 2002 07:25:55 -0500
    ...Also remove the coolant pressure cap while doing this. Cylinder leaks will be revealed by bubbling in the coolant. The low compression in cylinder...
  • Re: Compression braking & Power Loss
    Historical mailing list - Dennis Haynes
    Fri, 24 Feb 2006 23:19:50 -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: Running on Tap Water - attempt at de-confuscation
    Historical mailing list - Stan Wilder
    Thu, 18 Jul 2002 11:57:00 -0500
    ...Their intakes design and then > efficient compressors can (easily) make up the pressure, especially > when > starting with very low temperatures. > > Clive Smith > ________________________________________________________________ GET INTERNET...
  • Re: Bench testing new rebuild...............no oil pressure!
    Historical mailing list - Eric Zeno
    Sun, 4 Apr 2004 23:46:06 -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: Plugs & Compression testing
    Historical mailing list
    Tue, 12 Nov 1996 18:09:32 +0200
    ...With the plugs pulled the >intake manifold is effectively at atmospheric pressure regardless of the >position of the throttle plate. >I've heard it...
  • Re: Is this the cause of my engine compression problem?
    Historical mailing list - Ben
    Tue, 19 Jun 2007 13:37:58 -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...