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Page 22+: 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.

• 1.9 TD performance upgrades prove successful: 95 mph??
  Historical mailing list - Karl M.
  Mon, 4 Jun 2001 01:19:31 -0400
  ...Lowered compression to 20:1 from 23:1 Boost pressure max raised to 15 psi (more to come with next round of mods) Saab...
• Re: Separating heads from cylinders
  Historical mailing list - Dan Snow
  Tue, 28 Aug 2001 17:39:07 -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: nuts vs head gasket job
  Historical mailing list - Tom Carchrae
  Thu, 5 Sep 2013 10:13:30 -0700
  ...I need to make a cap tester >> and/or >> >> run the van with a pressure gauge on the expansion tank when the van is...
• Re: AMC Heads
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 12 Jul 2008 13:20:02 -0700
  ...Hmmmm. > When I had the heads stripped, 3 exhaust valve seats "going away". > > So we pressure tested them, good. But they will need 4...
• Re: brake lines and hoses?
  Historical mailing list - Mike B.
  Tue, 10 Jan 2012 07:12:07 -0500
  ...I just finished water pump, engine bay coolant hoses, fuel lines, gas tank reseal and a new steel power steering pressure line, so the...
• Re: off with her heads
  Historical mailing list - Tom Carchrae
  Thu, 7 Nov 2013 15:48:40 -0800
  ...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: 85 octane in Colorado and 'windage trays'
  Historical mailing list - Bill Minor
  Mon, 15 Jul 2002 09:04:13 -0500
  ...that vehicles > perform > > poorly at high altitudes (in addition to lower compression). Some > of > > these are: > > Partially clogged Catalytic Converters, Ignition degraded from > long...
• Re: Billy Bones' never ending story
  Historical mailing list - Warren.K.Lail-1
  Fri, 12 Mar 2004 23:03:41 -0600
  ...Compression, based upon my Sears Actron > > compression tester is 125, 130, 130, and 135. > > Those numbers are with all of the plugs > > removed and...
• Re: Synthetic Oil for 1.9?
  Historical mailing list - Stuart MacMillan
  Thu, 21 Jun 2001 09:02:34 -0700
  ...Do remove the plugs and crank the engine for 30 seconds or so to build up oil pressure, then put them back in and...
• Re: So my stepson asks . . .
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 20 Aug 2012 21:03:06 -0700
  ...eventually oil pressure gets lowish. the 1.9 is a shorter stroke, smoother engine .. that does not use stretch rod bolts as I understand...
• My "New" 1988 Westy!
  Historical mailing list - neil n
  Fri, 4 May 2012 08:07:03 -0700
  ...Quick and dirty compression check engine cold, oddly, two front cylinders ~ 100 two rear, ~ 120. But van on a slope, nose pointing up. Maybe...
• 89 engine coughs and backfires at quick acceleration when warm?
  Historical mailing list - vanagon
  Mon, 3 Jul 2006 08:33:55 -0400
  ...It seems to have no power and compression is obviously good since it runs fine when cold. You obviously cannot drive the van this...
• Re: Extend a stay
  Historical mailing list - Dennis Haynes
  Fri, 2 Nov 2007 18:39:04 -0400
  ...The deluxe version also has a high pressure fitting and hose with disconnect that allows an extra tank to be connected to "extend" your...
• Re: oil in coolant
  Historical mailing list - Dennis Haynes
  Thu, 15 Apr 2021 22:55:47 +0000
  A leak down test will give a leakage indicator and then full shop pressure into the cylinder will show where the failure is, valves...
• Re: Oil Splatters in Engine Compartment
  Historical mailing list
  Tue, 1 Aug 1995 16:11:31 -0400
  ...Without the vent, internal crankcase pressure built up and had to escape somewhere. Out around the pulley, of course! The fumes carried oil droplets...
• Re: altenator light
  Historical mailing list - Karl Wolz
  Mon, 24 Jan 2000 13:05:29 -0800
  ...make such noises, if so would a compression test reveal problems, > i > did a test and compression was 125 all around. > > Test could point...
• RoadHaus - Need Engine / Update two
  Historical mailing list - Larry Chase
  Fri, 7 May 2004 15:37:15 -0700
  ...Most are engines with various degrees of unknown history, problems (compression issues, leaky heads, low oil pressure etc) or different configurations, like 1.9L...
• 87 Vanagon: installing VDO oil pressure and temperature senders [long]
  Historical mailing list - Mark McCulley
  Tue, 28 May 1996 23:13:10 -0700
  This past weekend I purchased VDO gauges and senders to monitor the oil pressure and temperature on my '87 Vanagon syncro Westfalia. I'm...
• Re: Cold idle mystery
  Historical mailing list - Kirk Hockin
  Fri, 18 Jun 2004 01:13:00 -0700
  ...It turned out the Fuel Pressure Regulator was gimped and not restricting the fuel flow. Replaced it and voila, no problem. 'Coincidently' the fuel...
• Re: AFM adjustment; clockwise or anticlockwise? NOx
  Historical mailing list - Dennis Haynes
  Mon, 18 Jun 2012 23:38:08 -0400
  NOx is produced by high temperatures and pressure. In other words when the engine is loaded. That is why the dynamometer tests are needed...
• RE: '86 still plagued! (was rich running)
  Historical mailing list - Tom Brunson
  Fri, 4 Jul 97 14:50:24 UT
  ...6) checked for vacuum leaks 7) checked fuel pressure I'll be checking engine compression next to make sure. I may have forgot to...
• Re: fuel pump
  Historical mailing list - Doktor Tim
  Mon, 7 Jul 2003 08:09:47 -0700
  ...is up to date and base tuning is spec, including compression balance, fuel pressure and volume, timing, idle and mixture. Over 90% of the...
• Re: Spark plug gap-Tire air!
  Historical mailing list - Dennis Haynes
  Sun, 11 Mar 2012 14:14:04 -0400
  ...Spark plug gap-Tire air! From my records, filling race tires with nitrogen reduced the inflated pressure *increase* by almost 4psi on my racecar...
• Re: A little more on Cooling problems..inline vw in Vanagon
  Historical mailing list - Dennis Haynes
  Tue, 27 Apr 2010 20:21:14 -0400
  ...I blew out the pressure cap on the coolant pressure res. and replaced the hose to the overflow tank..it was a bit old...
• Re: 85 GL 1.9 engine mystery...
  Historical mailing list - Kenneth D Lewis
  Thu, 25 Oct 2001 19:55:14 -0400
  ...Hi guys: > My original problem with my van was low oil pressure at idle. > Replaced the > idiot light, no help. Installed a mechanical gauge...
• Re: Different Kind Of Valve Adjustment Question? NOW What's next?
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 28 Jul 2008 20:18:38 -0700
  ...At some point, a warm engine compression test > with all plugs out and throttle body wide open has yielded higher > compression readings than the...
• Re: VW Bus Wanted
  Historical mailing list
  19 May 1994 18:57:43 GMT
  ...Oil pressure, battery, brakes, OXY, seatbelt lights. Fast, slow, intermittent wipers. Engine/Drivetrain: Fuel injected. Water-cooled (They started making water-cooled vans in...
• Re: Pre-loading Rear Springs re Syncro Suspension (long)
  Historical mailing list - Derek Drew
  Fri, 19 Jun 1998 12:03:35 -0400
  ...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: Fuel Injection
  Historical mailing list - Mark Keller
  Fri, 18 May 2001 07:33:15 -0800
  ...The high fuel pressure is just an idle thing in most cases it's the AFM spring tension first that will kill you-- do...
• Re: Portland, OR to the Everglades in a '71 Westy - advice, please
  Historical mailing list - Bulley
  Thu, 9 Dec 1999 19:47:25 -0500
  ...1) Have a compression check on the motor 2) Have an oil pressure check 3) Have the oil analyzed by a lab (after 3000...
• Re: Help ..
  Historical mailing list - Bill Davidson
  Thu, 7 Sep 2000 20:21:48 -0700
  ...3 - On my first long trip with the van the oil pressure light came on after about 90 minutes of highway driving , again the...
• Re: Replacing copper propane lines
  Historical mailing list - Dennis Haynes
  Fri, 29 Aug 2008 16:04:00 -0400
  ...Also, all tubing fittings need to be flare, not compression. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf...
• Re: 1.9l Home Rebuild?
  Historical mailing list - Zoran Mladen
  Wed, 16 Feb 2000 11:10:57 -0500
  ...pump, lifters, oil pressure spring, 8 collapsible return tubes, etc. All this would be gone on a trade in. The compression is still good...
• Re: Not passing smog, still... Need help!
  Historical mailing list - G. Matthew Bulley
  Thu, 22 Aug 2002 21:55:29 -0400
  Did you run the MMO as described? If your compression is off you may have a filty ring. All of this goes back to...
• Re: Help needed with engine running poorly
  Historical mailing list - Kenneth Lewis
  Tue, 13 Dec 2011 07:35:12 -0500
  ...My first thought is to monitor fuel pressure. Ken On Mon, December 12, 2011 11:49 pm, Dennis Haynes wrote: > It always pains me...
• Re: water pump #4 in a year, vent hole leak
  Historical mailing list - Steve W
  Mon, 12 May 2003 18:04:08 -0700
  ...I > will do a compression test AGAIN anyways. > > The thing, or "thingy" would be that > consistently I have had the water > pumps leak, whether...
• Re: VW rebuilds junk?
  Historical mailing list - Joe Knight
  Fri, 14 May 1999 16:10:18 -0700
  ...Air Distributor and Air Deflectors installed; Simtest computer test report incl., Oil Flow @ Pressure, Torque, & Compression (avg & /cyl); installation guide & policy statement incl., phone...
• Boston Bob & Bentley, WOW.
  Historical mailing list - Doktor Tim
  Mon, 15 May 2000 19:55:23 -0700
  ...My question for Bob is, are all the problems associated with pressure only, or are some of these lifters failing to seal and collapsing...
• Re: Vanagon fire fighting techniques
  Historical mailing list - ccc1
  Tue, 23 Dec 2003 03:17:41 -0600
  ...Most owners may only occasionally look at the pressure gauge, to see if the needle reads "OK" or "LOW", or press a "Test" button...
• Re: oil leak from crankcase vent?
  Historical mailing list
  Mon, 21 Oct 1996 0:54:36 +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: Help diagnose POSSESSED 2.1L Vanagon engine
  Historical mailing list - Dennis Haynes
  Fri, 18 Apr 2003 18:21:15 -0400
  Forget the compression test. Do a proper leak down test. Sounds like you have a leaking intake valve. Opening throttle confuses the airflow meter...
• Re: white clouds out of the exhaust
  Historical mailing list - Scott Daniel - Turbovans
  Mon, 29 Sep 2008 13:24:24 -0700
  ...blocked oil >> pressure relief valve- high oil pressure- hydraulic lifters- open valves- >> no >> compression. Nothing to do with the parts I paid for. >> >> #3...
• Re: Top 3 Oils for 2.1 Again
  Historical mailing list - Michael Sullivan
  Sat, 5 Mar 2011 08:24:00 -0600
  ...No HG leaks yet, but > compression is slipping and oil leaks preclude expensive oil in the > crankcase. Oil pressure is still well above the...
• Re: 86 Westy w/ Overheating issue. ANY other possibilities?
  Historical mailing list - Ben
  Sat, 14 Apr 2007 18:11:19 -0400
  ...One of the first things I did was pressure test the system which tested OK. Perhaps time to retest pressure and compression? All cooling...
• Re: COLD START PROBLEM!!!!!!!!! anyone!!!!!
  Historical mailing list - Jeffrey Schwaia
  Mon, 1 Aug 2005 20:08:40 -0700
  ...fuel >> >>pressure is ok.... >> >> >> >>Compression: ok >> >> >> >>Help >> >> >> >>Ben >> >>http://www.benplace.com/ >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> > > > > > > > > > > > >
• More on AVP
  Historical mailing list
  Fri, 16 May 1997 21:33:40 -0400 (EDT)
  ...Oil pressure 68 and compression 180-180-180-185. The whole thing cost about $900 including the rebuilt heads. It would have cost me...
• Re: Tiico convert question.
  Historical mailing list - Gary Stearns
  Fri, 7 Dec 2001 20:15:24 -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: Overflow puking water
  Historical mailing list - Zoran Mladen
  Mon, 17 Nov 2003 07:23:25 -0800
  ...I would lean more towards the upper o-ring on the cylinder failing, enabling compression to get into the cooling system. Please provide the...
• Re: Another Synthetic Oil Question
  Historical mailing list - Stan Wilder
  Wed, 1 Jun 2005 22:36:30 -0500
  ...It satisfied the highway cook down at 210-240 degrees and help oil pressure when I pulled off the highway and sat in traffic...
• Re: How does a leak down tester work???
  Historical mailing list - tabe johnson
  Thu, 27 Jan 2005 12:22:27 -0500
  ...You should also run a a compression test first to decipher any pre air test problems !!! Average good compression tis 150 to 170 lbs...
• Re: 4th heater core burst in 1 year!
  Historical mailing list - Mark Dorm
  Thu, 5 Jul 2001 15:10:38 -0700
  ...good chance this over-pressurization comes from something that >can produce a higher pressure that is in the system.... One of the things >that...
• Re: Friday: New VW Engine--it's Miller (cycle) time
  Historical mailing list - David McNeely
  Fri, 29 Apr 2016 09:40:30 -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: Black Vapor and Rattle. And other stuff.
  Historical mailing list - Dennis Haynes
  Sat, 8 Nov 2014 10:41:48 -0500
  It is normal for the fuel system to hold pressure. It is desirable and a goal. Gasoline wants to evaporate quickly and the and...
• Re: vacuum hose
  Historical mailing list - Stan Wilder
  Mon, 12 May 2003 12:03:15 -0700
  ...generally be the first low compression cylinder on the Air Cooled engine. The regulator operates on the same pressure requirements and this is a...
• 1.9 liter camshaft checking and more
  Historical mailing list - Robert Donalds
  Thu, 27 Sep 2001 21:18:00 -0400
  ...this might sound like a good upgrade at first but the 2.1 thas more compression and if used might take away some low...
• Re: Am I crazy?
  Historical mailing list - Robert Keezer
  Thu, 4 Apr 2002 00:12:37 -0800
  ...First, a buyers inspection to get the compression readings, transmission and brake evaluation. The compression readings will give you an idea how strong the...
• Re: The dreaded AFM adjustment screw
  Historical mailing list - Mark Keller
  Wed, 14 Feb 2007 16:00:22 -0800
  ...And as pointed out by others the compression, vaccum and other engine conditions can affect unburnt HC. Since the O2 sensor "controls mixture" it...
• Re: 5/16" High Pressure Fuel Lines OK?
  Historical mailing list - Benny boy
  Fri, 29 Dec 2006 11:01:28 -0500
  ...cheapest) method of performing the same thing with plastic and neoprene instead of metal lines, compression fittings, etc., that the more expensive manufacturers (ie...
• Re: Heads back on, runs OK and dies
  Historical mailing list - Jim Felder
  Mon, 31 Mar 2008 11:30:17 -0500
  ...Time for a compression test to > find which cylinder to loosen the adjuster on. > > Mark > > Jim Felder wrote: > > On Mon, Mar 31, 2008 at...
• Re: 87 Vanagon: installing VDO oil pressure and temperature
  Historical mailing list
  Wed, 29 May 96 11:05:25 PST
  ...Screw the new pressure sender into one side of the T and the old pressure switch into the other side. I chose to reuse...