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Page 8+: 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: Coolant leak at crankcase mating.
  Historical mailing list - Benny boy
  Tue, 9 Oct 2007 20:52:10 -0400
  ...Do a coolant pressure test, no way out: http://www.benplace.com/pressure_test.htm Your bottom sleeve/barrel/cylinder must be leaking... or...
• More Idle Problems
  Historical mailing list - Mike D.
  Mon, 29 Dec 2003 12:37:30 -0800
  ...t keep oil pressure at 850 rpm idle, which causes the lifters to stop lifting, leading to loss of compression and engine stall. This...
• Re: Coolant Overpressurization / Head Gasket Leak
  Historical mailing list - Scott Daniel - Turbovans
  Sat, 26 Jan 2013 19:38:47 -0800
  ...As part of the leak down test, by pass the > gauge and apply full shop air pressure to the cylinders (secure the > crankshaft securely...
• Re: Good AND inexpensive tire pump, where to find?
  Historical mailing list
  Sat, 23 Nov 96 17:31:03 EST
  ...Question is of course how much back pressure can the engine take without stalling. In big diesels "exhaust braking" is done by partially closing...
• Re: Air Cooled Vanagon Won't Start in cold weather
  Historical mailing list - Mark Sheflo
  Sat, 16 Nov 2002 11:33:34 -0800
  ...plugs, cap/rotor/wires, timing, dwell, fuel pressure, valve adjustment, and compression. If all those check out (which I virtually guarantee, one of these...
• 1.9l Home Rebuild?
  Historical mailing list - Jay L Snyder
  Wed, 16 Feb 2000 10:46:59 -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...
• Help! Am I doing this right????
  Historical mailing list - Paul Cavanaugh
  Sat, 4 Aug 2001 13:19:06 -0400
  ...The general feeling is that compression from the cylinders is leaking into the cooling system, causing excessive pressure. I pulled the spark plugs to...
• Re: Boston Bob Big Valve Update? Not really... (LONG)
  Historical mailing list - Chris S.
  Tue, 15 Feb 2005 17:07:38 -0800
  ...So, what's your fuel pressure? Did we put in new plugs, wires, cap, button? Do a compression check to see if your valves...
• Re: Boston Bob Engine - Follow Up
  Historical mailing list - Jim Henry
  Sun, 12 Aug 2001 08:07:10 -0400
  ...the vacuum, fuel pressure and compression. > > Fuel Pressure at idle - 34 Connected 38-39 Disconnected > > Engine Vacuum at idle - 10 > > Compression - 1,2,3...
• Re: My Engine Has Bit the Dust
  Historical mailing list - Neil N
  Tue, 15 Nov 2016 12:36:54 -0800
  Was the oil light for sure indicating low pressure engine hot after long drives? i.e. Was an oil pressure test ever done? Neil...
• Re: Cyl head removal advice
  Historical mailing list - Ben huot
  Fri, 22 Feb 2002 16:56:30 -0500
  ...The more the engine rise in temperature, more the pressure is high. TEST #1: Pressure Tests for the Cooling System The first test of...
• Re: 4th heater core burst in 1 year!
  Historical mailing list - Mark Dorm
  Thu, 5 Jul 2001 15:11:28 -0700
  A compression check determines if there is a head gasket leak? is that correct? >From: Jere Hawn <jbrschawn@EARTHLINK.NET> >Reply-To: Jere Hawn...
• Re: 1987 Syncro Bogging/jerking/hesitation
  Historical mailing list - Dana E Hager
  Mon, 15 Feb 1999 20:24:43 -0800
  ...If I turn off the ignition and compression start it, it will go away for a few minuets and then start acting up again...
• Re: Another trip to SWFL
  Historical mailing list - JRodgers
  Sun, 20 Oct 2013 21:09:24 -0500
  ...Those numbers were things like compression numbers, oil analysis numbers, crankshaft runout, end play, oil pressures, oil leaks, etc. If such are good - drive...
• Re: Power Steering Whine from New Hose (seeking hose)
  Historical mailing list - Michael Hart
  Thu, 20 Dec 2012 10:47:10 -0800
  ...The hose is approximately 18 inches long, with a banjo fitting with pressure sensor at one end (to PS pump) and a female compression...
• Coolant Vapor and Liquid In Exhaust
  Historical mailing list - Nathaniel Brown
  Thu, 29 Jul 2004 13:41:23 -0400
  ...No leaks from the head gasket, leak down and compression is good, but plenty of coolant is shooting from the exhaust and coolant pressure...
• Re: Engine analyzer/tach recco?
  Historical mailing list - Don Hanson
  Thu, 24 Mar 2011 07:31:20 -0700
  ...such as when checking compression or > adjusting rocker arm screws/hyd lifters. > and also starter circuit diagnosis. > > fuel pressure gauge .. > ultimately, you need one...
• Re: what clues about engine health can I get...
  Historical mailing list - Scott Daniel - Turbovans
  Tue, 15 May 2012 12:10:49 -0700
  ...If you are > not going to use the engine for a while, just leave them off to relieve > pressure on the springs and hydraulic...
• Re: Need an engine
  Historical mailing list - Joe Romas
  Sat, 4 Nov 2000 12:34:08 -0500
  ...a compression check on the > engine and all four were within 5% of each other, but #3 would not hold > the pressure it would...
• 87 Westy running poorly
  Historical mailing list - Pat Callaghan
  Thu, 1 May 2003 05:33:47 -0700
  ...I was going to check the basics first, compression, fuel pressure & spark but since it starts & idles so well I am not sure. Any...
• Re: 5/16" High Pressure Fuel Lines OK?
  Historical mailing list - Geza Polony
  Thu, 28 Dec 2006 16:41:49 -0500
  ...lines? Why not 1/8" ID copper or even steel, with compression fittings? With parts this important, why mess around with rubber hoses and...
• Re: Compression, Valve Adjusting
  Historical mailing list - Jake de Villiers
  Wed, 27 Jun 2007 12:55:14 -0700
  ...On 6/27/07, TC <trclark@shaw.ca> wrote: > > > What I see is that > > the new AMC springs have less pressure 64 pds installed...
• Re: Compression
  Historical mailing list - neil N
  Fri, 14 Sep 2007 10:27:09 -0700
  ...Did you try putting a little oil in the low reading cylinder? If it brings up the compression, it could be the rings/piston...
• Coolant going from expansion into refill tank and overflowing refill tank
  Historical mailing list - tabe johnson
  Tue, 25 Jan 2005 15:58:46 -0500
  ...I watched the pressure when I started the engine. It didn't soar immediately. A compression test shows Cyl # Jan 2004 Jan 2005 1...
• Re: Compression Question
  Historical mailing list - G. Matthew Bulley
  Sun, 18 Aug 2002 22:03:43 -0400
  ...When I tried to push Castrol 20W50 past 4,000 miles, the dynamic oil pressure system would sound off after hard freeway runs. Lifter...
• Lifters et al
  Historical mailing list - Steven Denis
  Mon, 10 Dec 2001 14:10:51 EST
  ...oil pressure-large clearances elsewhere) There are few details that I could debate and we do perform some types of testing differently (compression gauge...
• Re: hard to start in the morning
  Historical mailing list - Neil N
  Sun, 6 Nov 2016 11:14:51 -0800
  I was initially curious if engine compression was ok engine cold after it sat overnight. I assume you've checked that in spite of...
• Re: <no subject>
  Historical mailing list - Nathaniel Poole
  Sat, 18 Nov 2006 16:34:10 -0800
  One strange thing happening now is that the oil pressure warning light comes on when you put the hand brake on :) How that relates...
• Re: No Start 83.5: Fuel pump test?
  Historical mailing list - David Kao
  Mon, 16 Jul 2007 13:59:25 -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: cause and effect, or not
  Historical mailing list - Karl Wolz
  Tue, 18 Oct 2011 13:43:59 -0700
  ...tank he changed the fuel > filter, no help. > Checked compression, all ok. > Did fuel pressure and fuel delivery test, all good. > Unhooked intake snorkel...
• Re: nuts vs head gasket job
  Historical mailing list - Scott Daniel
  Wed, 4 Sep 2013 18:24:28 -0700
  ...of course..the actual pressure of exploding fuel-air mixture produces a lot more pressure than is developed during a simple compression or leak...
• Re: fuel line problems still
  Historical mailing list - Stan Wilder
  Mon, 21 May 2001 16:41:07 -0500
  ...When > it is cranked it will produce 40 pounds of pressure. > When the hose is kinked between the gas tank and the > fuel pump...
• Basic Troubleshooting 101 was: Cranks, won't start
  Historical mailing list
  Sat, 20 Nov 1999 13:26:07 EST
  ...Compression- If you have a compression tester check you compression (or take it to a shop and have this done). The motor will not...
• Re: Recommended Breakin method for new engine
  Historical mailing list - Stuart MacMillan
  Thu, 20 May 1999 11:04:32 -0700
  ...This seats the rings by putting compression pressure on them on the way up, and oils the rings on the way down by sucking...
• Re: Gasoline Grade?
  Historical mailing list
  Fri, 14 Mar 1997 14:16:58 -0500 (EST)
  ...Having the high compression ratio causes them to require high octane fuel, so that it won't detonate under the higher pressures in these...
• Bad compression / good engine
  Historical mailing list - Benny boy
  Wed, 6 Jun 2007 00:36:02 -0400
  ...Before i remove the engine i did a coolant pressure test just for fun... pressure was fine. So what is the probleme here!!! Me...
• Re: Help w/2.1 What am i missing?
  Historical mailing list - Jonathan Farrugia
  Mon, 8 Jun 2009 21:23:11 -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 Question
  Historical mailing list - Clive Smith
  Sat, 17 Aug 2002 23:09:42 +0100
  ...After a few thousand miles and a subsequent oil change (don't leave it too long), retaking the pressures should prove the point: if...
• Re: E85 thermodynamic advantage?
  Historical mailing list - Jim Akiba
  Tue, 12 Jun 2007 12:16:50 -0400
  ...Ethanol can run higher compression ratios and combustion pressures which equal higher volumetric and thermodynamic efficiencies via a better burn even at the same...
• The saga continues
  Historical mailing list - Andy Morse
  Sat, 17 Oct 2009 13:01:28 -0400
  ...Last test Mark had me do was testing the fuel pressure at the T on top of the engine. I did not get a...
• Re: Still running like crap, the saga continues - Compression Test
  Historical mailing list - Scott Daniel - Shazam
  Wed, 19 Mar 2008 15:27:28 -0700
  ...Now to determine where the pressure's escaping; valve(s) or rings (or even a cracked head). A differential compression (leakdown) tester will show...
• Re: Head Job
  Historical mailing list - Stuart MacMillan
  Tue, 8 Feb 2000 09:19:14 -0800
  ...compression is over 125 psi and each cylinder is within 5%, oil consumption less than a quart every 1000 miles, and your oil pressure...
• Re: My poor MPG, compression tests results
  Historical mailing list - Geza Polony
  Wed, 12 Sep 2007 21:24:14 -0400
  ...up with 5-15 PSI, leave the compressor running to maintain pressure, and squirt soapy water everywhere there could possibly be a leak. Engine...
• Re: Manifold vacuum specs?-Leak down testing
  Historical mailing list - Geza Polony
  Sun, 31 Dec 2006 12:10:26 -0500
  ...Remove the airflow meter and coolant pressure cap while doing this. If the air forces coolant out of the expansion tank, then you know...
• Lifter tests ....... just a folly?
  Historical mailing list - Stan Wilder
  Sun, 21 Apr 2002 17:09:36 -0500
  ...I had counted on mounting a dial gauge on the head stock to measure compression / drop of each lifter as pressure was applied. All...
• Re: Diagnosing a low (8-10 inches) vacuum gauge reading
  Historical mailing list - jbclem1
  Fri, 6 Aug 2004 01:47:31 -0700
  ...My problem remains, and I'm starting to hear some kind of compression noise when I let the clutch out and give the engine...
• No fuel pressure options?
  Historical mailing list - Max Wellhouse
  Thu, 31 Oct 2013 09:22:20 -0500
  .1990 GL 2.1 with 260k + (120k on a boston bob overhaul) I've been keeping a fuel pressure gauge signal going to my...
• Re: No fuel pressure options?
  Historical mailing list - OlRivrRat
  Thu, 31 Oct 2013 09:56:18 -0600
  MW If you are getting Gas' @ the TestPort when the Pump is running then I would try Clamping the ReturnHose from PressureReg' to Tank...
• Re: Busted Down Near Tekonsha, Michigan
  Historical mailing list - Pete Owsianowski
  Thu, 24 Nov 2011 14:54:08 -0500
  ...Next step was compression check. Forward cylinder on the driver side had no compression. But you could hear blowing into the crankcase. "UH-OH...
• Re: Coolant coming out...
  Historical mailing list - Jay L Snyder
  Fri, 4 Aug 2000 08:28:04 -0400
  ...The fact that it pushes it out so much later tells me the system is holding pressure pretty well. It is just a matter...
• Re: head gaskets and time bombs
  Historical mailing list
  Mon, 5 Feb 1996 19:25:12 -0500
  ...not alluminum) that, when it blew a head gasket, the increased >pressure of coolant leaking into one of the cylinders while it was running...
• Re: head gaskets and time bombs
  Historical mailing list - vanagon
  February 05, 1996 6:26PM
  ...not alluminum) that, when it blew a head gasket, the increased >pressure of coolant leaking into one of the cylinders while it was running...
• Re: what clues about engine health can I get...
  Historical mailing list - Alistair Bell
  Tue, 15 May 2012 19:46:26 -0700
  ...wrote: > Factory oil pressure spec is based on 3 data points: engine speed, temperature and pressure. 2000rpm, 80C, 2 bar. If you're not...
• Re: what clues about engine health can I get...
  Historical mailing list - Chris S.
  Tue, 15 May 2012 21:29:34 -0400
  Factory oil pressure spec is based on 3 data points: engine speed, temperature and pressure. 2000rpm, 80C, 2 bar. If you're not using...
• Re: Message for Stan- Dropping Aircooled Engine
  Historical mailing list - John Clemens
  Mon, 13 May 2002 14:46:01 -0700
  ...The oil pressure looks fine. > > > The VW 'specialist' cannot explain the leak-down results vs the compression. > They admit that there is a lot...
• Re: Wondering about coolant physics
  Historical mailing list - Frank Grunthaner
  Fri, 1 Jan 2016 16:39:40 -0500
  ...In series with the compression tube fitting, I added a miniature ball valve for a shutoff function and then ran 1/8" nylon tubing...
• Re: what with cold weather coming up ...
  Historical mailing list
  Wed, 15 Nov 1995 09:55:07 -0800
  ...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: 2.0L ($2,500?) - VA 2L $590 Used?
  Historical mailing list - Robert Dalton
  Sat, 4 May 2002 12:43:13 -0700
  ...dhaynes@OPTONLINE.NET> wrote: > What is the compression in the other 3 cylinders? > Check the oil > pressure. You may only have a burned valve...
• Re: Help w/2.1 What am i missing?
  Historical mailing list - Mike
  Tue, 9 Jun 2009 05:29:38 -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: COLD START PROBLEM!!!!!!!!! anyone!!!!!
  Historical mailing list - Dennis Haynes
  Mon, 1 Aug 2005 22:08:49 -0400
  ...I feel that i have a fuel pressure ploblem... but am not sure... fuel pressure is ok.... Compression: ok Help Ben http://www.benplace...