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Page 26+: 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: Boston Bob Engine for sale ( potentially)
  Historical mailing list - Richard Young
  Thu, 21 Nov 2019 14:48:53 -0500
  ...Before paying a premium price for a used engine I would look for compression, leak down, and oil pressure testing and a peak inside...
• Re: My Engine Has Bit the Dust
  Historical mailing list - Roy Nicholl
  Tue, 15 Nov 2016 17:43:05 -0400
  Unless his history of low oil pressure is because the bottom end is spent. > On 15-Nov-2016, at 17:13, Stuart MacMillan <stuartmacm...
• Re: Fuel Injector (or wiring) Question: Deceleration, Fuel Shutoff Mode
  Historical mailing list - neil n
  Sat, 28 Jul 2012 13:14:42 -0700
  ...Adjustment won't fix it. > The front two cylinders having lower compression can be an indication of a > problem including worn camshaft lobes. > A...
• Troubleshooting Overheating...
  Historical mailing list - Mike White
  Mon, 17 Jun 1996 10:10:19 MST
  ...fresh oil - carb adjusted (adjusted slightly rich to burn cooler) - good compression ( > 100 in my case) - all spark plugs are firing * Bottom and top...
• Re: Van won't run right - troubleshooting help, more
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 30 Sep 2011 21:57:52 -0700
  ...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: Van won't run right - troubleshooting help, more
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 30 Sep 2011 20:06:35 -0700
  ...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: 89 backfires, sputters when warm. MYSTERY problem!!
  Historical mailing list - Tabe Johnson
  Fri, 13 Oct 2006 16:28:53 -0400
  ...IT IS NOT A mechanical > issue because compression and all are fine. > > All electrical test as per official service manual check out fine, computer...
• Re: oil leak on 1984 1.9
  Historical mailing list - Roger Whittaker
  Mon, 18 Oct 2010 23:28:56 -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: Still running like crap, the saga continues
  Historical mailing list - Scott Daniel - Shazam
  Sat, 8 Mar 2008 18:18:41 -0800
  ...For sure, fuel pressure needs to be considered. And as I keep saying, the gasoline itself, not delivery, not pressure, the fuel itself, like...
• Re: WBX failure rate averages so far.. keep up the responses!
  Historical mailing list - John Rodgers
  Tue, 29 Aug 2000 20:36:09 -0500
  ...my purchase. > Compression after the Boston Bob rebuilt heads didn't change( is low and > somewhat lopsided ) and the oil pressure under 100 degrees...
• Re: wonky temp gauge?
  Historical mailing list - Jeff Palmer
  Thu, 23 Jun 2011 23:53:56 -0500
  ...I don't believe I've ever changed the pressure cap ... I should clarify that the only time I've been down coolant was...
• CIS help long
  Historical mailing list
  Wed, 15 May 1996 21:15:53 -0500
  ...full >pressure (turned valve on gauge) 68lb > Activate full throttle switch, Dwell reading 60 dgr. Activate >thermoswitch: dwell reading 72 dgr. Ground out green...
• Re: An intro and Throttle Body leak question
  Historical mailing list - Steven Johnson
  Wed, 16 Mar 2011 08:19:48 -0700
  ...before I get into that I'll give you a brief list of what we've > done on the van so far. > > > Compression good...
• Re: Not quite a backfire . . .
  Historical mailing list - Rocket J Squirrel
  Mon, 17 Aug 2009 14:13:48 -0700
  ...I was > just checking compression on an 84 1.9 that overheated, > and I found 120 psi on the forward two cylinders, and 148...
• Re: Vanagon syndrome...it sucks!
  Historical mailing list - Jonce Fancher
  Mon, 21 Mar 2016 06:52:40 -0400
  ...Other issue was the lifters were overcharging and floating the valves so lost compression in a cylinder while driving. Adjusted the valves to just...
• Re: Air Fuel Mixture Logic
  Historical mailing list - John Rodgers
  Sun, 28 Dec 2003 08:40:14 -0600
  ...system checks out and fuel pressure is to specification. >- valves were readjusted (after they pumped up) and compression is now >110-120 in all...
• FS: 1986 Vanagon Westfalia - Calgary, Alberta
  Historical mailing list - Keith Adams
  Mon, 26 Mar 2007 22:34:29 -0600
  ...new clutch, pressure plate, throwout bearing - new thermostat and housing - VW G11 blue coolant - new plug wires, plugs rotor, etc. - compression 115/125/125...
• Re: Cooling system over pressurizing?
  Historical mailing list - Dennis Haynes
  Mon, 11 Jul 2016 23:07:34 -0400
  ...Just think of the pressure created in a cylinder to deliver 90 ft. lbs. of torque with less than a 3 inch stroke. If...
• Re: Mercedes 16 inch wheels for Vanagon?
  Historical mailing list - Dennis Haynes
  Sun, 23 Aug 2015 21:37:56 -0400
  If your hearing suspension noises on those tires at those inflation pressures you need to do some suspension investigating. Something is wrong. If you...
• Re: 0 psi comp on #1! ;-( questions for you guys!
  Historical mailing list - Paul Archibald
  Tue, 4 Mar 2003 09:21:00 -0800
  --- Stan Wilder <wilden1@juno.com> wrote: > #1 0 psi > #2 110 psi > #3 60 psi > #4 115 psi! > > With those compression readings I'm...
• Re: last minute checks
  Historical mailing list
  Thu, 13 Jul 1995 10:02:08 -0700
  ...CV socket trans fill socket compression gauge vacuum gauge fuel pressure gauge spark plug anti-sieze Ultra-Blue RTV Green Locktight jumper cables work...
• Re: Water Pump-High mileage engines!
  Historical mailing list - Stuart MacMillan
  Thu, 22 Nov 2012 09:17:56 -0800
  ...While it is down a bit on power due to I think worn cam lobes, compression, leak down, and oil pressure is still good...
• Re: Knock Sensor Kit for A 86-91 Vanagon
  Historical mailing list - David Marshall
  Mon, 20 Nov 2000 18:17:26 -0800
  ...The think that I really fail to understand though is why go through this trouble on a low compression ratio engine? If I were...
• Re: Average life on a 1.9L 2.1L Rebuild
  Historical mailing list - Jonce Fancher
  Sun, 2 Apr 2006 21:04:57 -0400
  ...9L that is in the van with low oil >pressure but has excellent compression and of course no leaks in or out. >the T...
• Re: gasoline was STP Gas Treatment
  Historical mailing list - Dave Mcneely
  Fri, 11 Mar 2011 09:48:50 -0600
  ...This lower index fuel is offered because of a combination of the lower air pressure at elevation (thus lower compression ratio in the combustion...
• Re: Help! - Coolant spilling on long drives
  Historical mailing list - Joe Romas
  Thu, 7 Feb 2002 17:39:15 -0500
  Run a compression check! Most likely you'll find one low. Been there, done that. Joe 84 vanagon 1.9 (new head gaskets) 93...
• Re: Think I have sprung a leak in my powersteering lines!
  Historical mailing list - Frank Condelli
  Tue, 27 Oct 2009 05:48:25 EDT
  ...Good quality high pressure hydraulic hose is needed for the pressure line. The return line is standard multi-purpose hose. Easy install, directions on...
• Was running like crap....
  Historical mailing list - BJ Feddish
  Wed, 19 Mar 2008 22:25:14 -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: Question about Transmission Stutter
  Historical mailing list - Stuart MacMillan
  Mon, 20 Mar 2017 10:45:54 -0700
  ...My old 1.9 was on its last leg with low compression and oil pressure and just figured it was not keeping up well...
• 2.5L 120HP waterboxer.....that runs on 91 octane......90mm stroke by 94mm bore....and pases smog...hmmm?
  Historical mailing list - Smola, Tony
  Fri, 15 Mar 2002 22:58:59 -0600
  ...better FI systemfor producing HP?.....Is the distributor advance curve better?.....compression jumped from 7.3:1 to 10:1?....what sort of octane...
• Re: Expanshion Tank cap
  Historical mailing list - Dave Vieira
  Mon, 28 Oct 2002 09:25:54 -0800
  Wouldnt a compression test show if there is a leak like that or not . ? . --- Jim Arnott <jrasite@eoni.com> wrote: > Classic symptoms of an...
• Re: Top Overhauls
  Historical mailing list - Robert Donalds
  Sun, 15 Dec 2002 12:37:11 -0500
  ...http://www.bostonengine.com/articles/low-oil-pressure.htm The top end replacement does add some stress to the lower end not always due...
• Re: Fuel consumption in different gears - how does the energy / fuel work?
  Historical mailing list - Poppie Jagersand
  Sun, 25 Mar 2012 18:26:54 -0700
  ...Here the load is indexed by the manifold pressure. As seen peak efficiency for an IDI diesel is at 1/2 max pressure and...
• Re;Was head leak; then ring and valve. Turned into rebuild. Now,
  Historical mailing list - Bob Donalds
  Sun, 25 Mar 2001 22:26:04 -0500
  ...I have made oil pressure on the engine stand and checked the engine for oil leaks and tested the compression. the engine is then...
• Re: Rings? New engine?
  Historical mailing list - Zoran Mladen
  Sun, 27 Jun 2004 09:38:25 -0700
  ...Otherwise, I would lean towards a full rebuild, depending on the other metrics of the engine - oil pressure and compression. Z Craig Oda <craigoda...
• Re: 2.1 WBX Coolant Loss: Searched
  Historical mailing list - Jim Felder
  Wed, 29 Apr 2015 07:33:34 -0500
  ...it takes a while at hot temps for the coolant to get to those > pressures). Don't go much over 15 PSI. The Gowesty...
• Re: Hydrogen cars. Was: Re: waterboxer pinging
  Historical mailing list - John Rodgers
  Mon, 21 Sep 2009 09:17:54 -0500
  ...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: Average life on a 1.9L 2.1L Rebuild
  Historical mailing list - Dennis Haynes
  Mon, 3 Apr 2006 06:39:18 -0400
  ...9L that is in the van with low oil >pressure but has excellent compression and of course no leaks in or out. >the T...
• Re: Spark plug gap-Tire air!
  Historical mailing list - Chris S.
  Sat, 10 Mar 2012 16:29:37 -0500
  Let's not forget the inability to adjust your tire pressure according to load requirements without going back to said nitrogen dealer. Chris. Wysłane...
• Re: block core heater
  Historical mailing list - Dan Snow
  Fri, 19 Oct 2001 21:24:35 -0700
  ...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: legal options?
  Historical mailing list - Stan Wilder
  Sat, 5 Jan 2002 14:19:10 -0600
  ...holder and other misc. parts. compression test results 1-130, 2-140, 3-120, 4-140. oil pressure @ 190 F idle 1.1 bar...
• Re: low compression\rough cold idle-1.9L
  Historical mailing list - Scott Wilson
  Sun, 17 Nov 2002 17:13:24 -0800
  ...year old fuel pressure regulator. ignition wires test good. good cap and rotor. fuel injectors good. new afm, co set by o2 sensor voltage...
• Re: Not exactly, was: A rod bender?
  Historical mailing list - Bulley
  Tue, 2 May 2000 19:59:50 -0400
  ...The compression will be much lower on the cylinder (s) > with the bent rods. > > No bent rods around here, > > G. Matthew Bulley > Bulley-Hewlett...
• van running rich- running out of ideas to fix
  Historical mailing list - William Dummitt
  Mon, 1 Jun 1998 10:23:22 -0400
  ...Checked fuel pressure (30 psi), swapped fpr to be sure. All voltmeter/ohmeter checks at the ecu connector per Bentley OK. Cleaned ecu connections...
• Re: Van won't run right - troubleshooting help, more
  Historical mailing list - John Rodgers
  Sat, 1 Oct 2011 01:22:19 -0500
  ...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: Vanagon Syndrome/AFM Mounting Orientation?
  Historical mailing list - Alex MeVay
  Fri, 7 Feb 2020 09:40:33 -0800
  ...fuel pressure regulator from manifold connection Possibly try running with vacuum lines/PCV plugged Inspect distributor/ignition wires Inspect plugs check compression Tune-up...
• Re: stumped
  Historical mailing list - Scott Daniel - Turbovans
  Thu, 17 Dec 2009 19:20:16 -0800
  ...every time things don't make sense............go back and check the basics, timing belt alignment, compression, intake leaks, intake air boot, wiring and...
• Re: What's on YOUR checklist?
  Historical mailing list - Don in Phoenix
  Sun, 14 Mar 2004 15:12:24 -0700
  ...a compression test and a leak down test performed on the engine. With a wasserboxer, I would add a cooling system pressure test. These...
• Re: interesting lifter thinking?? 1.9L still a problem child (update)
  Historical mailing list - pronks
  Tue, 13 Sep 2005 20:32:10 +1200
  ...I must tell you that I once set > my > lifters per the Bentley(lash +2 turns)and got no compression. The valves > remained open...
• Re: Cooling System Weirdness
  Historical mailing list - Marc Perdue
  Sat, 10 Jun 2000 22:53:52 -0400
  ...no pressure and nothing leaks out . . . so far, so good. I start to loosen the cap on the expansion tank when all of a...
• Re: dead cat kills van
  Historical mailing list - Jim Felder
  Thu, 19 Mar 2009 22:37:30 -0500
  ...Compression check was good and fuel pressure read fine. Injectors > sprayed in pulses as expected. > > I saw his cry for help on the Samba...
• Re: oils and gasoline Oil Viscosity at temparature.
  Historical mailing list - Dennis Haynes
  Thu, 30 May 2013 00:40:03 -0400
  ...As important as an oil pressure gauge is it is even more helpful the have an oil temperature gauge. The Water boxer has a...
• Oxygen sensor questions...
  Historical mailing list - Roger Bowman
  Fri, 19 Nov 1999 11:21:55 -0800
  ...Without fail, turning the motor off and restarting (either by compression or starter) corrects the problem immeaditely. I am suspecting Oxygen sensor... Recent work...
• Re: [VB] Mystery oil&gas leak
  Historical mailing list
  Mon, 25 Sep 2000 00:49:22 EDT
  ...So my guess is the pushrod tubes, can't be around the oil pressure switch because I already fixed that. It seems to loose...
• How lifters work and Two turns to set valves?
  Historical mailing list - David Beierl
  Thu, 8 Mar 2012 00:32:41 -0500
  ...However the only way to retract the piston is by applying strong steady pressure which forces oil very slowly out through the gap between...
• Re: 85 - Bucking and misfiring
  Historical mailing list - Tracy Bonin
  Fri, 22 Aug 2003 06:51:40 -0700
  ...I immediately changed out the fuel pressure regulator since it felt similar to when the FPR had gone out before. That was a distaster...
• Re: GOWESTY AFM no start problem
  Historical mailing list - Dennis Haynes
  Sun, 10 Jul 2016 08:04:09 -0400
  If it goes down towards the water pump it is for the oil pressure switch. This would be the .9 bar switch. Dennis, From...
• Re: slight surge from 2000 to 3000 to 2000 and back
  Historical mailing list - Joe Romas
  Fri, 9 Mar 2001 15:43:55 -0500
  ...pressure regulator replaced > with a used 'good' one from a list person (traded for quart of my honey). > Plugs, cap, wires, relays ok. COmpression...
• Re: What could have gone wrong? - hey, sorry it's long
  Historical mailing list - Scott Daniel - Shazam
  Tue, 6 May 2008 13:46:24 -0700
  ...That one you can pressure test for some - either standard pressure tester, or leak down test, or even compression test. 'sometimes.' But the 'weird...
• Re: Oversize wheels for Syncro
  Historical mailing list - Mark Drillock
  Mon, 3 Aug 1998 07:16:26 -0700
  ...compression braking power is reduced. I find that I need to apply the brakes much more than before and to use more pedal pressure...