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Page 23+: 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: 2.ll engine For Sale for $900
  Historical mailing list - 1980 VW Westfalia \"Pokey\"
  Thu, 7 Dec 2000 11:28:54 -0500
  ...was still running strong with good compression when I removed it. Had slightly lower than normal oil pressure and I was worried about taking...
• Re: Moral qestion--Now diagnostics
  Historical mailing list - Geza Polony
  Thu, 18 Jan 2007 14:19:56 -0500
  ...New O2 sensor with good ground, tested good on car. >> Compression 155-155-145-130. No oil burning, no coolant leaks, no smoke, >> plugs...
• Re: Pre-loading Rear Springs re Syncro Suspension (long)
  Historical mailing list - David Marshall
  Thu, 18 Jun 1998 19:49:29 -0700
  ...Further >adjustments can be had by adjusting the amount of oil and the pressure >of the gas/air, if any. You can also change...
• Re: Not exactly, was: A rod bender?
  Historical mailing list - Mike Miller
  Tue, 2 May 2000 16:23:52 -0700
  ...The compression will be much lower on the cylinder (s) > with the bent rods. > > No bent rods around here, > > G. Matthew Bulley > Bulley-Hewlett...
• Cool air, K+N, and chips(was: Tiico convert question)
  Historical mailing list - Tim High
  Sat, 8 Dec 2001 21:41:31 -0500
  ...It's not a lumpy cammed, high compression fire breathing rally car >engine. The Any restriction that you see is invisible to the TiiCo...
• RE:Troubleshooting Overheating
  Historical mailing list
  Mon, 17 Jun 1996 11:35:41 -0700 (PDT)
  ...Doesn=92t sound like you= though. >* Belt to generator taut >* Engine tuned properly: > - valves adjusted >n timing adjusted Timing set for the compression ratio...
• Forwarded: Re: oil leak from crankcase vent?
  Historical mailing list
  Wed, 23 Oct 1996 17:52:58 +0000
  ...sensors switches etc), tested fuel pressure and replaced the 0-2 sensor. All okfar as I could tell. Compression is 125, 125, 150, 150...
• Re: finding TDC--super precise
  Historical mailing list - Stuart MacMillan
  Wed, 5 Jan 2000 08:56:48 -0800
  ...Then insert the modified plug half way (to minimize compression that will make the engine harder to turn), making sure the #1 piston is...
• Overheating Trauma
  Historical mailing list - Mike White
  Wed, 19 Jun 1996 14:07:23 MST
  ...fresh oil - carb adjusted (adjusted slightly rich to burn cooler) - good compression ( > 100 in my case) - all spark plugs are firing - distributor is working...
• Re: Frustration: 85 Vanagon Cooling
  Historical mailing list - Michael Orbon
  Mon, 14 Jun 1999 13:48:47 -0700
  ...This leak will stop >if I bleed the pressure out of the radiator. >> >> 3. The van overheats because circulation stops up at the radiator...
• Re: Sluggish
  Historical mailing list - Bulley
  Tue, 8 Aug 2000 09:40:48 -0400
  ...doesn't open throttle fully) Slipping clutch (doubtful) Very low tire pressure (we are grasping at straws here) Excessive weight (too much cargo in...
• Re: My Engine Has Bit the Dust
  Historical mailing list - Stuart MacMillan
  Tue, 15 Nov 2016 17:23:30 -0800
  Good point, but if you keep it a 1.9 it can go a long time with low oil pressure. Needs synthetic 20w-50...
• Re: NVC-Was: Driving on Air
  Historical mailing list - Michael Sullivan
  Sun, 9 Nov 2008 19:39:29 -0600
  ...the pressure runs > >> lower they are using fuel to run a heater to raise the temperature of > >> the air to raise its compression. The...
• Re: Van won't run right - troubleshooting help, more
  Historical mailing list - Dennis Haynes
  Fri, 30 Sep 2011 22:20:19 -0400
  ...I checked compression in #4, and it's normal. So it's getting spark, fuel, air and as compression. I can't believe it...
• Re: My "New" 1988 Westy!
  Historical mailing list - ralph meyermann
  Fri, 4 May 2012 09:34:31 -0600
  ...Quick and dirty compression check engine cold, oddly, two front cylinders ~ 100 two rear, ~ 120. But van on a slope, nose pointing up. Maybe...
• Re: Moral qestion--Case in point
  Historical mailing list - Dennis Haynes
  Thu, 18 Jan 2007 19:50:33 +0000
  Looking at your compression numbers, A leak down test is in order. My bet is Number 4 has a bad or guide preventing proper...
• Re: Still running like crap, the saga continues
  Historical mailing list - Benoit
  Sat, 8 Mar 2008 21:07:43 +0100
  ...you would NOT reach cruising speed! > > > > CHECK THE FUEL PRESSURE!!! PLEASE!!! > > > > If ok, you can remove a lot of parts from your problem list...
• Re: coolant overflow fears and thoughts
  Historical mailing list - Tom Carchrae
  Sun, 28 Apr 2013 16:01:35 -0700
  ...Coolant blowing out and both >> tanks >> going empty could be a bad pressure cap not holding pressure at all. >> >> Dennis >> >> >> -----Original Message----- >> From: Vanagon...
• Re: Heads back on, runs OK and dies
  Historical mailing list - Jim Felder
  Mon, 31 Mar 2008 09:58:32 -0500
  ...The car has 220K miles on it without any major problems until my wife cooked the heads. > > > Do a compression / leak down test, you...
• Re: Question about barrel spacers
  Historical mailing list - Tom Young
  Mon, 17 Feb 2003 18:09:44 -0800
  ...aluminum base shims to get .028 deck height and 7.4 > compression. > > Stan Wilder > > > On Mon, 17 Feb 2003 14:56:47 -0800 Tom...
• Re: Weird engine meltdown... Attn: Bob MacD and Jake Raby
  Historical mailing list - ROBERT DONALDS
  Thu, 26 Aug 2004 14:03:02 -0400
  ...Nothing in > the way of compression on #1. Good friend had a motor with 43k > original on it. Swapped motors. New old motor has...
• Re: Best way to judge life left in Waterboxer?
  Historical mailing list - Stuart MacMillan
  Tue, 8 May 2012 22:01:59 -0700
  ...a compression test, what will you do if it's low (and it will be)? The death signal is when the oil pressure light...
• Re: altenator light
  Historical mailing list - Sean Cole
  Mon, 24 Jan 2000 12:28:52 PST
  ...make such noises, if so would a compression test reveal >problems, > > i > > did a test and compression was 125 all around. > > > > Test could point...
• Re: Air Cooled Engine / Stick Transmission rebuild question
  Historical mailing list - Greg Potts
  Fri, 3 Nov 2006 16:47:36 -0500
  ...I would recommend frequent valve adjustments and compression tests as a good way to keep track of the health of the heads. In my...
• Re: Cold starting oil report Mobil 1 15w-50
  Historical mailing list - Dennis Haynes
  Wed, 27 Jan 2016 21:48:34 -0500
  ...The factory oil pressure relief valve is typically set to limit oil pressure to about 60 psi. With very thick oil and high enough...
• My 'new' '86 Vanagon
  Historical mailing list - Michael Harris
  Sat, 18 Nov 1995 02:33:22 -0800
  ...I checked the compression (after I bought it...) and found the following: back left - 115 back right - 128 front left - 145 front right - 145...
• Re: Low compression, more test results-busaid inying used vans!
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 8 Sep 2012 13:33:19 -0700
  ...Oil pressure is one way to know about bearing and oil pressure health. Generally ...on any old waterboxer engine ( over 150K miles ) I run...
• Re: oil leak on 1984 1.9
  Historical mailing list - Karl Wolz
  Mon, 18 Oct 2010 18:16:08 -0700
  ...I mentioned I thought I had read on here something about high case |pressure. What is the test for that? Compression? This is a...
• Re: legitimate beef - water under the bridge - or just plain wrong
  Historical mailing list - Ken Wilford
  Thu, 19 Aug 2010 13:16:47 -0400
  ...The high pressure side also has a compression fitting at this same area. Probably what happened is that they replaced the rear section because...
• Re: Propane lines
  Historical mailing list - Dennis Haynes
  Fri, 17 Mar 2006 23:44:29 -0500
  ...Propane lines > Doug, > > I totally forgot about the light pressure AFTER the regulator. > DOH! I > like the idea of combining the two hoses as...
• Re: More HP Stories?
  Historical mailing list - David Schwarze
  Thu, 25 Aug 94 9:16:56 PDT
  ...It tells of the dangers of increased compression, all about headers and exhaust, to name a few topics. One thing they mention that I...
• higher octane higher burn temperature
  Historical mailing list - gary hradek
  Fri, 28 Dec 2001 21:31:47 -0800
  ...I've heard some high performance high compression engines have preignition sensors that adjust to lower power levels when 87 octane is used. (porsche...
• Re: What happened?
  Historical mailing list - Stan Wilder
  Wed, 29 May 2002 21:53:40 -0500
  ...bad rod bearings or it will not hold oil pressure at operating temperatures. That compression could improve with some running time, remove the bind...
• Re: Question about testing O2 sensor with digital meter
  Historical mailing list - mdrillock
  Fri, 26 Sep 2008 13:16:43 -0700
  ...Check the actual fuel pressure, with the engine running, and doing the vacuum compensation test step for the pressure regulator. The ECU assumes the...
• Re: drive from Oklahoma to Spokane, WA
  Historical mailing list - Stuart MacMillan
  Fri, 3 Oct 2014 18:07:37 -0700
  Carbon build up in 177k miles has increased the compression, and when it gets hot you get some detonation. Run mid-grade or premium...
• Re: Oil analysis on worn engine
  Historical mailing list - Stuart MacMillan
  Wed, 5 Jun 2013 16:18:06 -0700
  ...No surprise with the low compression in two cylinders. Iron could be from a worn cam and lifters as well as cylinders and rings...
• Re: Just damn died
  Historical mailing list - Bulley
  Mon, 14 Jun 1999 07:14:00 -0400
  ...Is there a serious mechanical problem; deed you hear clatters and bangs when it stopped? Is the compression good? That eliminates that system. Remove...
• oil in coolant... a strange event!
  Historical mailing list - chris Moyles
  Tue, 22 Nov 2005 17:50:34 -0500
  ...Coolant system pressure test and compression tests as soon as I can hunt down a vw coolant pressure tester adapter- A couple questions... Anyone...
• Re: Vanagon Winter Storage and or annual inspection
  Historical mailing list - Roger Whittaker
  Fri, 8 Oct 2010 13:23:29 -0700
  ...1____________ 2____________ 3____________ 4____________ > > ___ _____ Plug condition? (OK? Burnt? Oily? Sooty?) > > ___ _____ 1____________ 2____________ 3____________ 4____________ > > ___ _____ Oil Pressure: idle_______ 4000 RPM_______ > > ___ _____ P/S, Alt, & A/C...
• Re: Cold starting oil report Mobil 1 15w-50 Now 5w-50
  Historical mailing list - Dennis Haynes
  Thu, 28 Jan 2016 22:35:03 -0500
  ...The factory oil pressure relief valve is typically set to limit oil pressure to about 60 psi. With very thick oil and high enough...
• Re: Oil heat exchanger fail.. more
  Historical mailing list - Don Hanson
  Tue, 24 Oct 2017 10:02:15 -0700
  The pressure of the WBX "blue cap" is lower than the sedans' caps. Coolant system for the Vanagon seems more than adequate for my...
• Re: The dreaded AFM adjustment screw
  Historical mailing list - Mike Frost
  Fri, 16 Feb 2007 10:03:49 -0800
  ...Tomorrow I will measure the compression, fuel pressure, and vacuum. I plan to look for exhaust leaks, although I have no clue how to...
• Re: Was: Leaky ... fuel injector? Now: suck fuel/air through vaccum side of fuel regulator?
  Historical mailing list - neil N
  Mon, 12 Nov 2007 11:33:46 -0800
  ...Better than what was there. (One hole in block getting oval, the other a broken stud) Oh the responsibility! Oh the pressure! --- ;^) Neil. On...
• Re: coolant overflow fears and thoughts-Some more thoughts!
  Historical mailing list - Dennis Haynes
  Thu, 9 May 2013 17:19:15 -0400
  ...I know > it holds > pressure (loosened it while warm!), and I know it can let > fluid/air in/out. > > > Yes, pressure caps are cheap...
• Re: update: stranded in grover, nc
  Historical mailing list - MacLachlan, Bill
  Tue, 4 Feb 2003 12:25:31 -0800
  ...stranded in grover, nc This sounds like the classic head gasket problem, when the compression leaks in to the cooling system. There is a...
• Re: Measuring Manifold vaccum for leaks
  Historical mailing list - Mark Keller
  Fri, 26 Oct 2007 11:25:35 -0700
  ...My main approach, was to tee off of the plenum for the fuel pressure regulator, digifant has one hose to the PR. Once the...
• Re: I'm rich, filthy stinking rich...
  Historical mailing list - Bulley
  Tue, 18 Jan 2000 07:28:14 -0500
  ...Check the fuel pressure. The regulator could have failed. 3. Wet air filter? (even once dried, they still cause rich-run). Let us know...
• Re: Was running like crap....
  Historical mailing list - Dennis Haynes
  Wed, 19 Mar 2008 23:35:45 -0400
  ...The mechanic put in the new exhaust pipe, plugs, checked compression, checked fuel pressure (it was good) and did some other misc things. He...
• Re: Air intake "scoops"
  Historical mailing list - Bulley
  Wed, 15 Dec 1999 10:48:43 -0500
  ...They are too far away to add any benefit to the compression cycle of the engine. The drag of these scoops is negligible. NASA...
• Re: Question about 2.1 cylinder and head question
  Historical mailing list - Dennis Haynes
  Sat, 8 Jan 2005 17:09:59 -0500
  ...Was the compression-leak down and oil pressure tested before pulling the heads? Once you bring the heads to a shop, some money will...
• 2.1L Vanagon engine still possessed by demons
  Historical mailing list - Steve Gough
  Wed, 23 Apr 2003 20:27:50 -0400
  ...Checked pressure with engine running and also under load (driving) -- 30psi, rises to 38psi under throttle. Output per Bentley test 650ml in 30 seconds...
• Re: Was: Leaky ... fuel injector? Now: suck fuel/air through vaccum side of fuel regulator?
  Historical mailing list - Dennis Haynes
  Mon, 12 Nov 2007 13:28:54 -0500
  ...It will not need a lot of pressure. Slowly push the oil in. You will feel the galleys fill and keep pushing some more...
• Re: oil leak on 1984 1.9
  Historical mailing list - Doug
  Mon, 18 Oct 2010 23:05:16 -0700
  ...I mentioned I thought I had read on here something about high case > pressure. What is the test for that? Compression? This is a...
• Re: 396,000 miles!!?? can anybody beat that?
  Historical mailing list - neil N
  Wed, 14 Nov 2007 21:28:08 -0800
  ...After that, compression, leak down, and oil pressure tests > will tell you whether or not the engine is still good. > > Failures of this type...
• Hydrogen cars. Was: Re: waterboxer pinging
  Historical mailing list - Roland
  Fri, 18 Sep 2009 09:49:07 -0700
  ...many times before. > Air pressure is inverse to altitude, so lower at higher > altitudes. That effectively lowers the compression ratio of > the engine. Hence...
• Re: Anyone have a copy of the Ultimate Trip Checklist?
  Historical mailing list - george jannini
  Tue, 17 Mar 2009 09:38:28 -0400
  ...Note:________________________________________________________________________________________________ ____ Cooling system: (water-cooled) Pressure test for leaks. Inspect radiator, water pump, belt, coolant level, heads, heaters, valves, hoses, connections, temperature sensors. (air...
• Re: Friday: New VW Engine--it's Miller (cycle) time
  Historical mailing list - Brent Weide
  Fri, 29 Apr 2016 09:58:39 -0700
  ...An increase in the geometric compression ratio has, > > > according to VW, allowed for improved efficiency in the load range most > > > customers will actually use...
• Re: Propex and getting gas tight fittings
  Historical mailing list - Edward Wiebe
  Tue, 16 Jun 2009 21:27:06 -0700
  ...According to them, in British Columbia the pressure fittings do not meet the code for propane lines. Also all fittings need to be made...
• Re: Bad Valve Issues/Question, Opinion sought.
  Historical mailing list - dr
  Thu, 26 Sep 2002 15:09:21 -0400
  ...Your compression is better than mine; I have one cylinder at 98. The others around range 105 up to 120. Not real good, but...
• Re: Best way to judge life left in Waterboxer?
  Historical mailing list - Scott Daniel - Turbovans
  Tue, 8 May 2012 22:17:14 -0700
  ...a compression test, what will > you do if it's low (and it will be)? The death signal is when the oil > pressure light...