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Page 15+: 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: block core heater
  Historical mailing list - Gnarlodious
  Fri, 19 Oct 2001 18:51:26 -0600
  ...You must break this compression by cutting the disk of the metal, it then comes out easily. Remember the cylinder walls are in there...
• Re: Q: Porsche 914 engine compatibility with Vanagon
  Historical mailing list - Al and Sue Brase
  Thu, 23 Sep 2004 10:02:08 -0500
  ...Its downfall was burning a piston because of carleess advance settting combined with the higher compression ratio. I think the compression ratio is really...
• FW: Vanagon? Really? Gasoline vs. Diesel-again.
  Historical mailing list - Dennis Haynes
  Sat, 21 Jan 2012 15:29:29 -0500
  ...Due to high compression ratios and the excess air, diesels make a lot of NOx. An awful lot. This is a primary contributor to...
• Re: off with her heads
  Historical mailing list - Jim Felder
  Thu, 24 Oct 2013 16:05:49 -0500
  ...compression back up by adding racing > lash > caps. I recall asking him about the leak down, and got back 'fine', and > 'it holds pressure...
• Re: Black Vapor and Rattle
  Historical mailing list - Dennis Jowell
  Sat, 8 Nov 2014 06:27:17 -0500
  ...A few hundred miles after rebuild I developed a chronic excessive vapor pressure problem in the gas tank (vent lines most likely pinched on...
• AVP engine, MPG and power problem
  Historical mailing list - Nicholas Wilson
  Mon, 29 Jun 1998 21:09:31 -0700
  ...Max allowable pressure shown on the sidewall is 35 psi cold, and VW recommends 40 psi in the back. I'm now running 37...
• Re: Start up,back fire?
  Historical mailing list - Dennis Jowell
  Tue, 19 May 2015 06:09:34 -0400
  ...The compression washer on the plug was not compressed and was on an angle with dirt between the washer and plug. Could this have...
• Re: 2.1 WBX Warm Start Troubles
  Historical mailing list - Michael Magnani
  Mon, 28 Nov 2016 20:32:44 +0000
  ...25% Idle Fuel Pressure: 32 psi Cold Idle Vacuum: 13 Inches Mercury Warm Idle Vacuum: 11.5 Inches Mercury The following information is based...
• heads v.s. bottom end: for discussion
  Historical mailing list - Matt Sutton
  Wed, 19 Jan 2005 13:52:10 -0500
  ...There's nothing wrong now except for slightly low/off balance compression on cylinder #1; a leak-down test by listee Dennis Haynes indicated...
• NEED ADVICE: buying 84 westy automatic (Ontario Canada)
  Historical mailing list - Eric Giroux
  Tue, 12 Sep 2000 07:43:50 -0400
  ...Thanks, �ric - Compression test on all cylinders - Pressure test on cooling system - Try stove-fridge-faucet - Try all heater and vent controls - Pop-top...
• Re: Seeking Advice for Sluggish Performance
  Historical mailing list - Bill Knight
  Wed, 1 Aug 2001 13:43:55 -0400
  ...Recently replaced muffler and catalytic converter New spark plugs Compression between 135-150 Cap/rotor almost new Clean air filter Fuel pressure - 34 at...
• ECU Chip 2.1 Digifant
  Historical mailing list - David Menche
  Wed, 8 Jan 2003 06:24:28 -0800
  ...has 168K miles, oil pressure is only about 30 psi now on the freeway (Mobile One 15-50) and compression is less than good...
• Re: leaking Head test....opinions needed
  Historical mailing list - Ken Lewis
  Wed, 9 Oct 2002 17:26:33 -0400
  ...I hit it with max pressure (100+psi) and had to wait a few minutes to see a rise in the coolant pressure. I...
• Re: Got skunked yesterday by 2.1L NoStart
  Historical mailing list - OlRivrRat
  Mon, 16 Sep 2024 10:30:14 -0600
  ...removed > quick checked cyl pressure on 2 while plug was out, good compression pushed my finger out. due to compression the engine was hard...
• Re: Strange Catastrophic Failure - Not
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 25 Jul 2011 11:59:40 -0700
  ...that fuel pressure is way off. start there. vacuum leaks seldom make much noise. would be good to have a spare known good MAP...
• Re: Engine log, part 100
  Historical mailing list
  Mon, 17 Jul 1995 11:12:32 -0700
  ...pressure regulator location in the case, after the external cooler, before the internal. Both my Haltech manual and Berg state that a low compression...
• Re: Strange Catastrophic Failure
  Historical mailing list - Max Wellhouse
  Wed, 27 Jul 2011 10:23:30 -0500
  ...PM, "Rob" <becida@comcast.net> wrote: > >A 75 psi difference in compression pressures would bother me, bother me a >lot. > >Rob >becida@comcast.net...
• Re: Propane leak
  Historical mailing list - David Katsuki
  Thu, 26 Jun 1997 17:49:31 -0400
  Cory, The piece you describe is the pressure regulator, so sounds like you need to get it replaced or rebuilt, BUT - before you do...
• Re: The root of all bubbles, low compression and evil itself? 1.9 head off...
  Historical mailing list - Chris S
  Thu, 9 Feb 2017 21:59:23 -0500
  ...Maybe not really loose >> but for some reason the head studs failed to maintain adequate tension on >> the heads due to combustion pressures or...
• Re: Strange Catastrophic Failure
  Historical mailing list - Jake de Villiers
  Mon, 25 Jul 2011 09:47:53 -0700
  I was going to say 'fuel pressure regulator'. My '84 had the regulator fail and it was drowning in gas - so rich that glub...
• Re: Best way to judge life left in Waterboxer?
  Historical mailing list - Dennis Haynes
  Wed, 9 May 2012 23:23:42 -0400
  ...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: interesting lifter thinking?? 1.9L still a problem child (update)
  Historical mailing list - John Rodgers
  Tue, 13 Sep 2005 15:10:15 -0500
  ...The engine break-in period was >>run to completion and a compression test done. Compression was right on >>for a new engine. Oil was...
• Re: Different Kind Of Valve Adjustment Question? NOW What's next?
  Historical mailing list - Dennis Haynes
  Tue, 29 Jul 2008 08:28:14 -0400
  On the valve adjustment, it is normal and neccasary for the push rods to not be under compression when the cyelinder is at top...
• A/C Adventures from Hot NJ!!!
  Historical mailing list
  Tue, 6 Jul 1999 22:17:40 EDT
  ...the old end and compression fit it into a new crimpable fitting. Worked excellent. So for a new high pressure barrier hose with two...
• Re: Bad Valve Issues/Question, Opinion sought.
  Historical mailing list - dr
  Thu, 26 Sep 2002 15:56:15 -0400
  ...Cold start > manually removed and tested. > > When I get the car back this evening I will redo all the test, including > compression myself to...
• Re: drag vs power altitude analysis? Was: water pump advice / Murphy's law
  Historical mailing list - Clive Smith
  Thu, 11 Jul 2002 15:42:01 +0100
  ...lower inlet temps > better adiabatic compression index (higher pressure difference between inlet closure and firing for a given compression ratio (very marginal unless running...
• oil leak on 1984 1.9
  Historical mailing list - Doug
  Mon, 18 Oct 2010 17:04:07 -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...
• 83 idle prob persists
  Historical mailing list
  Sat, 29 Mar 1997 18:43:48 -0500
  ...This after doing a compression check. He got readings of 115,115,120,125. He wanted $650 to fix it. I went and bought...
• Re: Aircooled Rear main seal
  Historical mailing list - Stan Wilder
  Sun, 21 Mar 2004 08:56:56 -0600
  ...At this point in your engine maintenance I'd be looking for crankcase pressure as part of the cause. Run a compression check. Sometimes...
• Re: New Engine Wanted: 85 Vanagon
  Historical mailing list - Dennis Haynes
  Thu, 10 May 2012 19:33:04 -0400
  ...Unusual noises or smoking. > 2) Oil pressure cold and hot, idle and at speed. > 3) Cylinder compression-leak down test. > 4) Valve lift (cam...
• Re: Boiling Point
  Historical mailing list - EMZ
  Sun, 9 Jan 2000 23:43:37 -0500
  ...Not holding much pressure. The second guess is your compression is leaking in to the cooling system. Rad. caps are cheap. Ether way you...
• FW: Euro-Drive: FIX 90 Volkswagen Vanagon, Poor-idle/Hesitation
  Historical mailing list - Carrington, Tom
  Tue, 11 Jul 2000 09:28:33 -0400
  ...Note I did a compression test and found that there was a 35% difference,I suspect that this might be the stem of my...
• Re: off with her heads
  Historical mailing list - Jim Felder
  Thu, 24 Oct 2013 15:45:52 -0500
  ...compression back up by adding racing >> lash >> caps. I recall asking him about the leak down, and got back 'fine', and >> 'it holds pressure...
• Re: Ethanol
  Historical mailing list
  Tue, 8 Nov 94 09:51:26 gmt
  ...run at much higher compression ratios than gasoline engines, and operate (at least in theory) on a constant pressure cycle which is more efficient...
• Re: What's wrong with my 1.9 WBX engine?
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 31 May 2010 16:18:12 -0700
  ...since you are wondering about condition of the engine in general, you could check compression. Not that that's very related to oil pressure...
• Re: engine rebuild
  Historical mailing list - Dennis Haynes
  Fri, 4 Aug 2017 06:27:39 +0000
  ...Common issues with some rebuilds include low oil pressure, bad rings, low compression due to incorrect piston design, and early valve failures. You would...
• Re: diagnosis--blown piston ring?
  Historical mailing list - Ben S
  Fri, 27 Mar 2009 13:45:37 -0700
  ...i just always expected i'd loose compression or oil pressure slowly, or see my oil test results deteriorate.... wasn't expecting things to...
• Re: Start up,back fire?
  Historical mailing list - Stuart MacMillan
  Tue, 19 May 2015 10:04:17 -0700
  ...The compression washer on the > plug was not compressed and was on an angle with dirt between the > washer and plug. Could this have...
• Re: Start up,back fire?
  Historical mailing list - Dave Mcneely
  Tue, 19 May 2015 09:16:36 -0500
  ...The compression washer on the plug was not compressed and was on an angle with dirt between the washer and plug. Could this have...
• Re: engine issues
  Historical mailing list - Dennis Haynes
  Fri, 1 Jan 2010 10:10:07 -0500
  ...I lost engine compression about 30 miles back into my return trip...I looked underneath and saw the oil pressure gauge thingy hanging by...
• Re: Help! (fwd)
  Historical mailing list - WestyLuvr
  Fri, 5 Dec 1997 21:35:41 EST
  ...Especially in colder weather and as they get older and the engine loses compression. If the engine in fact has lost its prime, it...
• Re: Engine power loss (need help)
  Historical mailing list - Tom Young
  Thu, 17 Oct 2002 15:43:06 -0700
  ...If I rev the engine in park it > doesn't make the noise. > > > Diagnostics I have performed: > - Compression test on all cylinders (good) > - Removed...
• Re: DJ-code WBX technical specs
  Historical mailing list - Chris S
  Sat, 20 Dec 2008 17:38:43 -0500
  ...hydraulic > compression: 11 - 14 bar (150 psi - 195 psi) > oil pressure: 2 bar @ 2000 rpm @ 80C/176F > > Lubricants and capacities > > engine oil: 10w30 (sf...
• Re: Separating heads from cylinders
  Historical mailing list - Coby Smolens
  Tue, 28 Aug 2001 16:21:38 -0700
  ...The rings only inhibit the movement of air past them, making it practically null in the nano-seconds of compression and power stroke. The...
• Re: Question about testing O2 sensor with digital meter
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 26 Sep 2008 14:27:14 -0700
  ...and checking compression just to start diagnosing. And .........while I rarely find fuel pressure incorrect............if you have a fuel pressure gauge it's...
• Re: Eurocars 2.2 Engine - anyone have more info?
  Historical mailing list - Clive Smith
  Sun, 25 Aug 2002 15:03:57 +0100
  ...Higher compression = more heat. I do > not know about y'all, but from what i have seen the stock cooling system is > pretty darn...
• Re: Replacement of Temp II sensor
  Historical mailing list - Scott Daniel
  Sat, 24 Aug 2013 14:11:29 -0700
  ...but after a while the o-ring gets mushy or soft ...and it's no longer enough compression of the o-ring to seal...
• Re: Bad Cat = No Smog?
  Historical mailing list - Doktor Tim
  Fri, 23 Aug 2002 08:47:45 -0700
  ...This could be anything from poor compression to fuel pressure regulator to just dirty oil or worn plugs, or not following the proper set...
• Re: Air Cooled Vanagon Won't Start in cold weather
  Historical mailing list - G.M.Bulley
  Sat, 16 Nov 2002 13:59:27 -0500
  ...plugs, cap/rotor/wires, timing, dwell, fuel pressure, valve adjustment, and compression. If all those check out (which I virtually guarantee, one of these...
• Re: How bad is a scored cylinder wall? -I4
  Historical mailing list - ROBERT DONALDS
  Wed, 27 Jul 2005 17:49:25 -0400
  The small groove might increase oil consumption a bit and increase crank case pressure but you could run it that way for years to...
• Re: Made the mistake of checking compression
  Historical mailing list - Dennis Haynes
  Wed, 5 Sep 2012 22:25:30 -0400
  ...Worn bearings will often show up as low oil pressure. If the low compression is due to ring or valve damage then you have...
• Re: 82 Diesel Overheating
  Historical mailing list
  Mon, 7 Nov 1994 08:29:25 -0500 (EST)
  ...This means that when air blows-by the rings, it is under a great deal of pressure. This pressure goes past the pistons, into...
• lifters
  Historical mailing list - Mark Gajewski
  Tue, 8 Dec 1998 12:38:35 -0500
  ...I was certain that the pushrods were properly seated so I cranked the adjuster on them keeping valve spring pressure on the lifter and...
• diesel to gas swaps
  Historical mailing list - Scott Walker
  Sun, 7 Mar 1999 18:14:25 -0500
  ...The code on the block is GX indicating an A2 low compression CIS motor, the intake manifold is A1, not sure about the throttle...
• Re: Vanagon? Really? Gasoline vs. Diesel-again.
  Historical mailing list - Zeitgeist
  Sun, 22 Jan 2012 13:50:36 -0800
  ...Due to > high compression ratios and the excess air, diesels make a lot of NOx. An > awful lot. This is a primary contributor to...
• Re: Fuel Injector (or wiring) Question: Deceleration, Fuel Shutoff Mode
  Historical mailing list - neil n
  Fri, 27 Jul 2012 21:54:11 -0700
  ...That makes good sense. >> >> Residual fuel pressure test showed system held pressure for at least >> 10 minutes. Almost 20 IIRC. Drop after that maybe...
• Re: Odd & strange vanagon stuff that i see
  Historical mailing list - Mike Collum
  Wed, 24 May 2006 11:58:18 -0400
  ...So this > is a new possibility for bad conbustion, coolant-oil mix, low compression, > high pressure in the cooling system. maybe some of you...
• Re: Fizzix, Springs, ride height etc.
  Historical mailing list - Al Knoll
  Fri, 18 Jun 1999 08:49:27 -0700
  ...With a spring constant of 1000KG the compression is 1M (MKS) With a K of 10000KG the compression is 0.1M or 100cm. With...
• Re: Fizzix, Springs, ride height etc.
  Historical mailing list - Al Knoll
  Tue, 22 Jun 1999 17:29:11 -0700
  ...With a spring constant of 1000KG the compression is 1M (MKS) With a K of 10000KG the compression is 0.1M or 100cm. With...
• Re: DJ-code WBX technical specs
  Historical mailing list - Jim Akiba
  Sat, 20 Dec 2008 15:51:17 -0500
  ...hydraulic >> compression: 11 - 14 bar (150 psi - 195 psi) >> oil pressure: 2 bar @ 2000 rpm @ 80C/176F >> >> Lubricants and capacities >> >> engine oil: 10w30 (sf...